{"description": "Enterprise techniques used by Netwalker, ATT&CK software S0457 (v1.1)", "name": "Netwalker (S0457)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1059", "showSubtechniques": true}, {"techniqueID": "T1059.001", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) has been written in PowerShell and executed directly in memory, avoiding detection.(Citation: TrendMicro Netwalker May 2020)(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059.003", "comment": "Operators deploying [Netwalker](https://attack.mitre.org/software/S0457) have used batch scripts to retrieve the [Netwalker](https://attack.mitre.org/software/S0457) payload.(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1486", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can encrypt files on infected machines to extort victims.(Citation: TrendMicro Netwalker May 2020)\t", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1140", "comment": "[Netwalker](https://attack.mitre.org/software/S0457)'s PowerShell script can decode and decrypt multiple layers of obfuscation, leading to the [Netwalker](https://attack.mitre.org/software/S0457) DLL being loaded into memory.(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1562", "showSubtechniques": true}, {"techniqueID": "T1562.001", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can detect and terminate active security software-related processes on infected systems.(Citation: TrendMicro Netwalker May 2020)(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1105", "comment": "Operators deploying [Netwalker](https://attack.mitre.org/software/S0457) have used psexec and certutil to retrieve the [Netwalker](https://attack.mitre.org/software/S0457) payload.(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1490", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can delete the infected system's Shadow Volumes to prevent recovery.(Citation: TrendMicro Netwalker May 2020)(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1570", "comment": "Operators deploying [Netwalker](https://attack.mitre.org/software/S0457) have used psexec to copy the [Netwalker](https://attack.mitre.org/software/S0457) payload across accessible systems.(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1112", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can add the following registry entry: HKEY_CURRENT_USER\\SOFTWARE\\{8 random characters}.(Citation: TrendMicro Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1106", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can use Windows API functions to inject the ransomware DLL.(Citation: TrendMicro Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1027", "showSubtechniques": true}, {"techniqueID": "T1027.009", "comment": "[Netwalker](https://attack.mitre.org/software/S0457)'s DLL has been embedded within the PowerShell script in hex format.(Citation: TrendMicro Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1027.010", "comment": "[Netwalker](https://attack.mitre.org/software/S0457)'s PowerShell script has been obfuscated with multiple layers including base64 and hexadecimal encoding and XOR-encryption, as well as obfuscated PowerShell functions and variables.(Citation: TrendMicro Netwalker May 2020)(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1055", "showSubtechniques": true}, {"techniqueID": "T1055.001", "comment": "The [Netwalker](https://attack.mitre.org/software/S0457) DLL has been injected reflectively into the memory of a legitimate running process.(Citation: TrendMicro Netwalker May 2020)\t", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1489", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can terminate system processes and services, some of which relate to backup software.(Citation: TrendMicro Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1518", "showSubtechniques": true}, {"techniqueID": "T1518.001", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can detect and terminate active security software-related processes on infected systems.(Citation: TrendMicro Netwalker May 2020)\t", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1082", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can determine the system architecture it is running on to choose which version of the DLL to use.(Citation: TrendMicro Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1569", "showSubtechniques": true}, {"techniqueID": "T1569.002", "comment": "Operators deploying [Netwalker](https://attack.mitre.org/software/S0457) have used psexec and certutil to retrieve the [Netwalker](https://attack.mitre.org/software/S0457) payload.(Citation: Sophos Netwalker May 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1047", "comment": "[Netwalker](https://attack.mitre.org/software/S0457) can use WMI to delete Shadow Volumes.(Citation: TrendMicro Netwalker May 2020)\t", "score": 1, "color": "#66b1ff", "showSubtechniques": false}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Netwalker", "color": "#66b1ff"}]}