Analysis

  • max time kernel
    137s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 12:29

General

  • Target

    015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe

  • Size

    58KB

  • MD5

    98522910f82f80611880380e09a8d852

  • SHA1

    2a28ece15f24e357308a987e0bc11e55572d7a38

  • SHA256

    015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c

  • SHA512

    f60fd716927b4c3c8151eeaada65629989d8d282c7afe7accd925ab9cbb13cfe40b180bbfce0a651b070f65bba9bb22f991615eb51c5895322b4fc60a5146c87

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\015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe
    "C:\Users\Admin\AppData\Local\Temp\015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:428
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1096
  • 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:4236
  • 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:1308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4236-132-0x000002C018160000-0x000002C018170000-memory.dmp

    Filesize

    64KB

  • memory/4236-133-0x000002C018720000-0x000002C018730000-memory.dmp

    Filesize

    64KB

  • memory/4236-134-0x000002C01ADB0000-0x000002C01ADB4000-memory.dmp

    Filesize

    16KB