Analysis

  • max time kernel
    161s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 12:03

General

  • Target

    0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe

  • Size

    216KB

  • MD5

    2bd394aef3becbf778964d64663c6201

  • SHA1

    147c708e0d1fd203e1db0ab728b08f503777a2e9

  • SHA256

    0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836

  • SHA512

    1acf4a30cff5bfd384b1617188f4ec8191c4c0cb9cfb03423547317abac9e3848ae692f78566bd078b2d9bc17fd5bf5b2b36a4d766c7a0c3411ed7904255299d

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • 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 50 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\0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe
    "C:\Users\Admin\AppData\Local\Temp\0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:372
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2488
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3712
  • 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:2480
  • 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:2520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    ad08b18ef5647c92c9e85d29569491db

    SHA1

    b6350574ae4bd37c334362e79cc25287f9e6670d

    SHA256

    2e46b4ef8843dedc2cc62a5451fadbce2e563a31be2b6f41bade30b1b1e48533

    SHA512

    2f747949d4cecb801eb4527a6f297b08266b7e0655fc9d36c1ec6a541ad6b083ff035e5c1de1f44f1e56da706d9bfc0bde60c503a09d2c8552a48f85a1794ed7

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

    ad08b18ef5647c92c9e85d29569491db

    SHA1

    b6350574ae4bd37c334362e79cc25287f9e6670d

    SHA256

    2e46b4ef8843dedc2cc62a5451fadbce2e563a31be2b6f41bade30b1b1e48533

    SHA512

    2f747949d4cecb801eb4527a6f297b08266b7e0655fc9d36c1ec6a541ad6b083ff035e5c1de1f44f1e56da706d9bfc0bde60c503a09d2c8552a48f85a1794ed7

  • memory/864-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB