{"description": "Enterprise techniques used by Patchwork, ATT&CK group G0040 (v1.5)", "name": "Patchwork (G0040)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1548", "showSubtechniques": true}, {"techniqueID": "T1548.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) bypassed User Access Control (UAC).(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1560", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) encrypted the collected files' path with AES and then encoded them with base64.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1119", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) developed a file stealer to search C:\\ and collect files with certain extensions. [Patchwork](https://attack.mitre.org/groups/G0040) also executed a script to enumerate all drives, store them as a list, and upload generated files to the C2 server.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1197", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has used BITS jobs to download malicious payloads.(Citation: Unit 42 BackConfig May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1547", "showSubtechniques": true}, {"techniqueID": "T1547.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has added the path of its second-stage malware to the startup folder to achieve persistence. One of its file stealers has also persisted by adding a Registry Run key.(Citation: Cymmetria Patchwork)(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059", "showSubtechniques": true}, {"techniqueID": "T1059.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) used [PowerSploit](https://attack.mitre.org/software/S0194) to download payloads, run a reverse shell, and execute malware on the victim's machine.(Citation: Cymmetria Patchwork)(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059.003", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) ran a reverse shell with Meterpreter.(Citation: Cymmetria Patchwork) [Patchwork](https://attack.mitre.org/groups/G0040) used JavaScript code and .SCT files on victim machines.(Citation: TrendMicro Patchwork Dec 2017)(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059.005", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) used Visual Basic Scripts (VBS) on victim machines.(Citation: TrendMicro Patchwork Dec 2017)(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1555", "showSubtechniques": true}, {"techniqueID": "T1555.003", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) dumped the login data database from \\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Login Data.(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1132", "showSubtechniques": true}, {"techniqueID": "T1132.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) used Base64 to encode C2 traffic.(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1005", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) collected and exfiltrated files from the infected system.(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1074", "showSubtechniques": true}, {"techniqueID": "T1074.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) copied all targeted files to a directory called index that was eventually uploaded to the C&amp;C server.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1587", "showSubtechniques": true}, {"techniqueID": "T1587.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has created self-signed certificates from fictitious and spoofed legitimate software companies that were later used to sign malware.(Citation: Unit 42 BackConfig May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1189", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has used watering holes to deliver files with exploits to initial victims.(Citation: Symantec Patchwork)(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1203", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) uses malicious documents to deliver remote execution exploits as part of. The group has previously exploited CVE-2017-8570, CVE-2012-1856, CVE-2014-4114, CVE-2017-0199, CVE-2017-11882, and CVE-2015-1641.(Citation: Cymmetria Patchwork)(Citation: Securelist Dropping Elephant)(Citation: Symantec Patchwork)(Citation: PaloAlto Patchwork Mar 2018)(Citation: TrendMicro Patchwork Dec 2017)(Citation: Volexity Patchwork June 2018)(Citation: Unit 42 BackConfig May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1083", "comment": "A [Patchwork](https://attack.mitre.org/groups/G0040) payload has searched all fixed drives on the victim for files matching a specified list of extensions.(Citation: Cymmetria Patchwork)(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1574", "showSubtechniques": true}, {"techniqueID": "T1574.001", "comment": "A [Patchwork](https://attack.mitre.org/groups/G0040) .dll that contains [BADNEWS](https://attack.mitre.org/software/S0128) is loaded and executed using DLL side-loading.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1070", "showSubtechniques": true}, {"techniqueID": "T1070.004", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) removed certain files and replaced them so they could not be retrieved.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1105", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) payloads download additional files from the C2 server.(Citation: Securelist Dropping Elephant)(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1559", "showSubtechniques": true}, {"techniqueID": "T1559.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) leveraged the DDE protocol to deliver their malware.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1036", "showSubtechniques": true}, {"techniqueID": "T1036.005", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) installed its payload in the startup programs folder as \"Baidu Software Update.\" The group also adds its second stage payload to the startup programs as \u201cNet Monitor.\"(Citation: Cymmetria Patchwork) They have also dropped [QuasarRAT](https://attack.mitre.org/software/S0262) binaries as files named microsoft_network.exe and crome.exe.(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1112", "comment": "A [Patchwork](https://attack.mitre.org/groups/G0040) payload deletes Resiliency Registry keys created by Microsoft Office applications in an apparent effort to trick users into thinking there were no issues during application runs.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1027", "showSubtechniques": true}, {"techniqueID": "T1027.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) apparently altered [NDiskMonitor](https://attack.mitre.org/software/S0272) samples by adding four bytes of random letters in a likely attempt to change the file hashes.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1027.002", "comment": "A [Patchwork](https://attack.mitre.org/groups/G0040) payload was packed with UPX.(Citation: Securelist Dropping Elephant)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1027.005", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) apparently altered [NDiskMonitor](https://attack.mitre.org/software/S0272) samples by adding four bytes of random letters in a likely attempt to change the file hashes.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1027.010", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has obfuscated a script with Crypto Obfuscator.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1588", "showSubtechniques": true}, {"techniqueID": "T1588.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has obtained and used open-source tools such as [QuasarRAT](https://attack.mitre.org/software/S0262).(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1566", "showSubtechniques": true}, {"techniqueID": "T1566.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has used spearphishing with an attachment to deliver files with exploits to initial victims.(Citation: Cymmetria Patchwork)(Citation: Securelist Dropping Elephant)(Citation: TrendMicro Patchwork Dec 2017)(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1566.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has used spearphishing with links to deliver files with exploits to initial victims.(Citation: Symantec Patchwork)(Citation: TrendMicro Patchwork Dec 2017)(Citation: Unit 42 BackConfig May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1598", "showSubtechniques": true}, {"techniqueID": "T1598.003", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has used embedded image tags (known as web bugs) with unique, per-recipient tracking links in their emails for the purpose of identifying which recipients opened messages.(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1055", "showSubtechniques": true}, {"techniqueID": "T1055.012", "comment": "A [Patchwork](https://attack.mitre.org/groups/G0040) payload uses process hollowing to hide the UAC bypass vulnerability exploitation inside svchost.exe.(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1021", "showSubtechniques": true}, {"techniqueID": "T1021.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) attempted to use RDP to move laterally.(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1053", "showSubtechniques": true}, {"techniqueID": "T1053.005", "comment": "A [Patchwork](https://attack.mitre.org/groups/G0040) file stealer can run a TaskScheduler DLL to add persistence.(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1518", "showSubtechniques": true}, {"techniqueID": "T1518.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) scanned the \u201cProgram Files\u201d directories for a directory with the string \u201cTotal Security\u201d (the installation path of the \u201c360 Total Security\u201d antivirus tool).(Citation: Cymmetria Patchwork)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1553", "showSubtechniques": true}, {"techniqueID": "T1553.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has signed malware with self-signed certificates from fictitious and spoofed legitimate software companies.(Citation: Unit 42 BackConfig May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1082", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) collected the victim computer name, OS version, and architecture type and sent the information to its C2 server. [Patchwork](https://attack.mitre.org/groups/G0040) also enumerated all available drives on the victim's machine.(Citation: Cymmetria Patchwork)(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1033", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) collected the victim username and whether it was running as admin, then sent the information to its C2 server.(Citation: Cymmetria Patchwork)(Citation: TrendMicro Patchwork Dec 2017)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1204", "showSubtechniques": true}, {"techniqueID": "T1204.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) has used spearphishing with links to try to get users to click, download and open malicious files.(Citation: Symantec Patchwork)(Citation: TrendMicro Patchwork Dec 2017)(Citation: Volexity Patchwork June 2018)(Citation: Unit 42 BackConfig May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1204.002", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) embedded a malicious macro in a Word document and lured the victim to click on an icon to execute the malware.(Citation: TrendMicro Patchwork Dec 2017)(Citation: Volexity Patchwork June 2018)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1102", "showSubtechniques": true}, {"techniqueID": "T1102.001", "comment": "[Patchwork](https://attack.mitre.org/groups/G0040) hides base64-encoded and encrypted C2 server locations in comments on legitimate websites.(Citation: Securelist Dropping Elephant)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Patchwork", "color": "#66b1ff"}]}