PowerShower
PowerShower is a PowerShell backdoor used by Inception for initial reconnaissance and to download and execute second stage payloads.[1][2]
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1071 | .001 | Application Layer Protocol: Web Protocols |
PowerShower has sent HTTP GET and POST requests to C2 servers to send information and receive instructions.[1] |
| Enterprise | T1560 | .001 | Archive Collected Data: Archive via Utility |
PowerShower has used 7Zip to compress .txt, .pdf, .xls or .doc files prior to exfiltration.[2] |
| Enterprise | T1547 | .001 | Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder |
PowerShower sets up persistence with a Registry run key.[1] |
| Enterprise | T1059 | .001 | Command and Scripting Interpreter: PowerShell |
PowerShower is a backdoor written in PowerShell.[1] |
| .005 | Command and Scripting Interpreter: Visual Basic |
PowerShower has the ability to save and execute VBScript.[1] |
||
| Enterprise | T1132 | .001 | Data Encoding: Standard Encoding |
PowerShower has the ability to encode C2 communications with base64 encoding.[1][2] |
| Enterprise | T1041 | Exfiltration Over C2 Channel |
PowerShower has used a PowerShell document stealer module to pack and exfiltrate .txt, .pdf, .xls or .doc files smaller than 5MB that were modified during the past two days.[2] |
|
| Enterprise | T1564 | .003 | Hide Artifacts: Hidden Window |
PowerShower has added a registry key so future powershell.exe instances are spawned with coordinates for a window position off-screen by default.[1] |
| Enterprise | T1070 | .004 | Indicator Removal: File Deletion |
PowerShower has the ability to remove all files created during the dropper process.[1] |
| Enterprise | T1112 | Modify Registry |
PowerShower has added a registry key so future powershell.exe instances are spawned off-screen by default, and has removed all registry entries that are left behind during the dropper process.[1] |
|
| Enterprise | T1057 | Process Discovery |
PowerShower has the ability to deploy a reconnaissance module to retrieve a list of the active processes.[2] |
|
| Enterprise | T1082 | System Information Discovery |
PowerShower has collected system information on the infected host.[1] |
|
| Enterprise | T1016 | System Network Configuration Discovery |
PowerShower has the ability to identify the current Windows domain of the infected host.[2] |
|
| Enterprise | T1033 | System Owner/User Discovery |
PowerShower has the ability to identify the current user on the infected host.[2] |
|