Analysis

  • max time kernel
    156s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:39

General

  • Target

    0962ed4cde8b1ffd72fe804a49651c88723e0e39512227a2602864a36237154e.exe

  • Size

    36KB

  • MD5

    2963bd982cf659f4eaf2eefbc22edf87

  • SHA1

    12476df162028e0fea086bc3927fe38558cfc343

  • SHA256

    0962ed4cde8b1ffd72fe804a49651c88723e0e39512227a2602864a36237154e

  • SHA512

    933de770010d56c25746c4c9fc0e78a24fcbf4cb9b7f8802c3306eed7020a7691bb3ea264b452d713c8019ebc49218d9414fb6648e8acb465e5267b31caee1f1

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 56 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0962ed4cde8b1ffd72fe804a49651c88723e0e39512227a2602864a36237154e.exe
    "C:\Users\Admin\AppData\Local\Temp\0962ed4cde8b1ffd72fe804a49651c88723e0e39512227a2602864a36237154e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0962ed4cde8b1ffd72fe804a49651c88723e0e39512227a2602864a36237154e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3240
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2092
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:112
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3888
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    cbba5c51529381cb1995d4e0eff02272

    SHA1

    8ca41ca3d9962f468ccaca83afbfa0d5f53dc789

    SHA256

    b61071b156d710a612311481475aff778ea58ac2e605b335e5cb90c046b72c0f

    SHA512

    35884835f4a1bda714fc5d24213bac7546ed7111443b43334cea3e85c14c35f4a50c79994a1c5f1957259c6eab40e8525fbbca6efe8dfdf9f5f7b5c770c7da83

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    cbba5c51529381cb1995d4e0eff02272

    SHA1

    8ca41ca3d9962f468ccaca83afbfa0d5f53dc789

    SHA256

    b61071b156d710a612311481475aff778ea58ac2e605b335e5cb90c046b72c0f

    SHA512

    35884835f4a1bda714fc5d24213bac7546ed7111443b43334cea3e85c14c35f4a50c79994a1c5f1957259c6eab40e8525fbbca6efe8dfdf9f5f7b5c770c7da83