Analysis

  • max time kernel
    157s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12/02/2022, 06:44

General

  • Target

    0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe

  • Size

    89KB

  • MD5

    88bc6b76789582e2d11478b64d13a552

  • SHA1

    0a530438b5e4616e84ae9ea83dcfdff22500a0ae

  • SHA256

    0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664

  • SHA512

    bc6f3607a7cbf6090ae5ed66cc12b7e8cdde2c649ce626dcc7e4df24ea513e78426aa176ca454d5872ee67274742c9d52d2138ff5474f9d4f2bea3084315cb73

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • 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 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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\0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe
    "C:\Users\Admin\AppData\Local\Temp\0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2176
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4036
  • 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:2852

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4036-132-0x000002300D360000-0x000002300D370000-memory.dmp

          Filesize

          64KB

        • memory/4036-133-0x000002300DC70000-0x000002300DC80000-memory.dmp

          Filesize

          64KB

        • memory/4036-134-0x0000023010320000-0x0000023010324000-memory.dmp

          Filesize

          16KB