Analysis

  • max time kernel
    142s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12/02/2022, 06:40

General

  • Target

    0f583e446acdf8493b5645bd8925563cf4a43ca69a1e0732bc3d613b1789f948.exe

  • Size

    36KB

  • MD5

    76203e970cd44a054a2eef9366da8bcc

  • SHA1

    0fabc3f43f6cb339d2131581dd42f0937b83ea43

  • SHA256

    0f583e446acdf8493b5645bd8925563cf4a43ca69a1e0732bc3d613b1789f948

  • SHA512

    b2c23bd35e282ecddc5f75dcd0f5769a4fc4f11a9ca1aa1cf45ef7d42ab0e18c359fe8b4d6640efb92e6236dab7ce22a56b43f33bf544042a822de79564b7b25

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 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\0f583e446acdf8493b5645bd8925563cf4a43ca69a1e0732bc3d613b1789f948.exe
    "C:\Users\Admin\AppData\Local\Temp\0f583e446acdf8493b5645bd8925563cf4a43ca69a1e0732bc3d613b1789f948.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f583e446acdf8493b5645bd8925563cf4a43ca69a1e0732bc3d613b1789f948.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3468
  • 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:2264
  • 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:1920

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/2264-132-0x0000024721960000-0x0000024721970000-memory.dmp

          Filesize

          64KB

        • memory/2264-133-0x0000024721F20000-0x0000024721F30000-memory.dmp

          Filesize

          64KB

        • memory/2264-134-0x00000247245B0000-0x00000247245B4000-memory.dmp

          Filesize

          16KB