Analysis

  • max time kernel
    157s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 11:54

General

  • Target

    030f2a3af21241038a51f07a8697c6ca0887ff4f7d466f472801383b4ff3a7a4.exe

  • Size

    58KB

  • MD5

    e4d72dcb3be2cc0babb0d1c82ddfc284

  • SHA1

    524ea40f8f5a8eec06c4a3e80c8874cfed91c89c

  • SHA256

    030f2a3af21241038a51f07a8697c6ca0887ff4f7d466f472801383b4ff3a7a4

  • SHA512

    e2359fafa57cb8d45457ffb72b8fc06ece04033d8af598b8c54f6b2ca511b8a05a9613324114dea25420cd70a574bed07bcf6d91d1be2fea1d63a1bae59b7be1

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 4 IoCs

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

  • Modifies data under HKEY_USERS 49 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\030f2a3af21241038a51f07a8697c6ca0887ff4f7d466f472801383b4ff3a7a4.exe
    "C:\Users\Admin\AppData\Local\Temp\030f2a3af21241038a51f07a8697c6ca0887ff4f7d466f472801383b4ff3a7a4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\030f2a3af21241038a51f07a8697c6ca0887ff4f7d466f472801383b4ff3a7a4.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3544
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2708
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3144
  • 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:3376
  • 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:2168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    602d8cee3a9ef7e3b385e032cb0a3689

    SHA1

    95c2f4714c78d1f90fe2a89fd865c842da45d33a

    SHA256

    dd3ac0e8905c5929c50b80c49660bcbe5d130d3c7836b15b75de3054c4f55e0f

    SHA512

    243cb6cb4d36546919b1cd2060157e22656e0efd54bc0a03d1bc98f391609e63785ca0efcf9226b51311c4fc3a7fb8d16952b56e9f74faea8287d478e00c238b

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

    602d8cee3a9ef7e3b385e032cb0a3689

    SHA1

    95c2f4714c78d1f90fe2a89fd865c842da45d33a

    SHA256

    dd3ac0e8905c5929c50b80c49660bcbe5d130d3c7836b15b75de3054c4f55e0f

    SHA512

    243cb6cb4d36546919b1cd2060157e22656e0efd54bc0a03d1bc98f391609e63785ca0efcf9226b51311c4fc3a7fb8d16952b56e9f74faea8287d478e00c238b