Analysis

  • max time kernel
    127s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 21:54

General

  • Target
    ad71a9ef02733c8507056b82aa3d54ed.exe
  • Size 79KB
  • Sample231219-1sb5pscadn
  • SHA256 1aed112100ecb52dbe26f299139d0d02a31b6bc184abeb37568c6d247c19ce3c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

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\ad71a9ef02733c8507056b82aa3d54ed.exe
    "C:\Users\Admin\AppData\Local\Temp\ad71a9ef02733c8507056b82aa3d54ed.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ad71a9ef02733c8507056b82aa3d54ed.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1420

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        MediaCenter.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        • Size 79KB
        • SHA256 96452dd789abb9dacc00f4db1f0ff534f9c0bb82060cf9bf9753d7de6ca8db1f
        • MD5 SHA1 SHA512 SSDEEP