Analysis

  • max time kernel
    127s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12/02/2022, 06:37

General

  • Target

    0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe

  • Size

    36KB

  • MD5

    4c4fdb7fdf85cc55d2f4737aafa176db

  • SHA1

    52cb4c7b910ededd9b6ecc3bb420637cf701e125

  • SHA256

    0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d

  • SHA512

    2f0820c3a0f853f392de3e0cb0a4769c258bbb562f2bdd650a2f7063de6bc30d5128cd672e731ba0582251b929affa8169d3c30278797ec8b8ac26a40c11c6b0

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\0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe
    "C:\Users\Admin\AppData\Local\Temp\0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3384
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4340
  • 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:4508
  • 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:1676

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/4508-132-0x0000022470580000-0x0000022470590000-memory.dmp

          Filesize

          64KB

        • memory/4508-133-0x0000022470C20000-0x0000022470C30000-memory.dmp

          Filesize

          64KB

        • memory/4508-134-0x0000022473300000-0x0000022473304000-memory.dmp

          Filesize

          16KB