Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    23-03-2022 09:35

General

  • Target

    dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe

  • Size

    36KB

  • MD5

    c1742828c782abc124b3383573bc9099

  • SHA1

    34f145bdaa7c0cf0ce6535725cc88a4099badcf5

  • SHA256

    dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a

  • SHA512

    5249c3c9428cda5af61f8d62a44a12d222c1dfce49635e4db330350625da86921cb27f137e6382cb10f7fd05f089866df0c8315c79cee01a89b577980b12c36b

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
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe
    "C:\Users\Admin\AppData\Local\Temp\dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1664

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    c8bbc3a9a06c1aa2183831e2ff824736

    SHA1

    481fd61c6012df4efdec753433c97ad1858a5800

    SHA256

    d17c616f26d62176f77b838e158cb2fe8a484dae6672f2ede5ae7610c98240ce

    SHA512

    1aaf08b81bee0eeacd064660174d8c4c6d9b7fdaf98965f96b5ed2c216ce573a28ffb84a218dd5c123f331464614d2015fec68a56bf5127111d3d3a6923303eb

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

    MD5

    c8bbc3a9a06c1aa2183831e2ff824736

    SHA1

    481fd61c6012df4efdec753433c97ad1858a5800

    SHA256

    d17c616f26d62176f77b838e158cb2fe8a484dae6672f2ede5ae7610c98240ce

    SHA512

    1aaf08b81bee0eeacd064660174d8c4c6d9b7fdaf98965f96b5ed2c216ce573a28ffb84a218dd5c123f331464614d2015fec68a56bf5127111d3d3a6923303eb

  • memory/696-130-0x0000000000000000-mapping.dmp

  • memory/1664-134-0x0000000000000000-mapping.dmp

  • memory/4404-133-0x0000000000000000-mapping.dmp