Analysis

  • max time kernel
    91s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 20:40

General

  • Target
    f4073269824ced12048b4f954d55e1ed.exe
  • Size 92KB
  • Sample240409-zf45aaae83
  • SHA256 8708bd425e767f8230e7059e04279e90e8d9272b1b28e8e863df2c0f7ad28cd6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • sakula

C2
  • www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4073269824ced12048b4f954d55e1ed.exe
    "C:\Users\Admin\AppData\Local\Temp\f4073269824ced12048b4f954d55e1ed.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:456
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      PID:3928
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\f4073269824ced12048b4f954d55e1ed.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4692
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1396

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AdobeUpdate.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
        • Size 92KB
        • SHA256 78813f6dd630554b335f42188fe11d9340358042f913c9c6c9fea917b6a6b0ec
        • MD5 SHA1 SHA512 SSDEEP