General

  • Target

    pzawovtjthaq.exe

  • Size

    2.8MB

  • Sample

    250127-sdgsmstnhw

  • MD5

    686954102621e68218ae11fda60136a8

  • SHA1

    e2b9c498f008f61729f0522b1b92c581acbf3c80

  • SHA256

    a8ae600d922f800e997019b60fe446a5a4d7b126981791963616bb0e3fa470b5

  • SHA512

    952cac8c0de0a5a115749692dbbb9574cc7dd4921915284c08b010642c4b0beb8952e6c1fe9b33830c82c79803b1e8e40d55fc2723db2f4ed44c0de5c9fadc3c

  • SSDEEP

    49152:ZF30uanSb/rjYT3UzJCaew6ue35rSLZfJC0qb7VGbJn3kYTB:ZFBvRJCaburcqb0J3kc

Malware Config

Targets

    • Target

      pzawovtjthaq.exe

    • Size

      2.8MB

    • MD5

      686954102621e68218ae11fda60136a8

    • SHA1

      e2b9c498f008f61729f0522b1b92c581acbf3c80

    • SHA256

      a8ae600d922f800e997019b60fe446a5a4d7b126981791963616bb0e3fa470b5

    • SHA512

      952cac8c0de0a5a115749692dbbb9574cc7dd4921915284c08b010642c4b0beb8952e6c1fe9b33830c82c79803b1e8e40d55fc2723db2f4ed44c0de5c9fadc3c

    • SSDEEP

      49152:ZF30uanSb/rjYT3UzJCaew6ue35rSLZfJC0qb7VGbJn3kYTB:ZFBvRJCaburcqb0J3kc

    • Modifies security service

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Sets service image path in registry

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Loads dropped DLL

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks