General

  • Target

    Terabyte.Tweaker.bat

  • Size

    55KB

  • Sample

    250330-yyn1cayks2

  • MD5

    1fdf3a31b6d0c672ac2b7a51e1549c38

  • SHA1

    11d9d427605aafd3f8d409f9930d7bf4215189c7

  • SHA256

    1a1ae207c19b5b14be702e3ff4a4b1f13d229c6823cbcf43eff9a0f600a6e48b

  • SHA512

    2d7c71f5e66a6f5f7eff9ef65352ccb9482a8d811609ad1d058b5328994e911f60974d52e97d82b2685873e32ff1b7747961df9206f5c4b9ff667551d092624a

  • SSDEEP

    768:nzIrYWk6E0pri91EBw0wW2WoG4ouKSoMgX0714lGAyWkctQVTJMkmS+WyuAm2Wyk:z+ioBtYBN

Malware Config

Targets

    • Target

      Terabyte.Tweaker.bat

    • Size

      55KB

    • MD5

      1fdf3a31b6d0c672ac2b7a51e1549c38

    • SHA1

      11d9d427605aafd3f8d409f9930d7bf4215189c7

    • SHA256

      1a1ae207c19b5b14be702e3ff4a4b1f13d229c6823cbcf43eff9a0f600a6e48b

    • SHA512

      2d7c71f5e66a6f5f7eff9ef65352ccb9482a8d811609ad1d058b5328994e911f60974d52e97d82b2685873e32ff1b7747961df9206f5c4b9ff667551d092624a

    • SSDEEP

      768:nzIrYWk6E0pri91EBw0wW2WoG4ouKSoMgX0714lGAyWkctQVTJMkmS+WyuAm2Wyk:z+ioBtYBN

    • Modifies security service

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables taskbar notifications via registry modification

    • Event Triggered Execution: Image File Execution Options Injection

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

MITRE ATT&CK Enterprise v15

Tasks