Analysis

  • max time kernel
    164s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    23-03-2022 09:33

General

  • Target

    9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe

  • Size

    104KB

  • MD5

    49462ddd5d404f016ff2f73e163ac899

  • SHA1

    c1b974717bcab23cbc45ede0dca54ba2022afa00

  • SHA256

    9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e

  • SHA512

    357a65dfbc834c6ef24bf6625573652b7496cdb7779086727401297b481f18a33f27efa6b76ecbe1cb5cca3e536fae847501c85eb50d208a52faf10574ddc071

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
  • 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\9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe
    "C:\Users\Admin\AppData\Local\Temp\9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:5028
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3336
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    674ace169e348ea908cc1ee992285155

    SHA1

    240e622550bde8509b8b1b02c3901a5a60c9fdd2

    SHA256

    f54229335490bbf67a06c718bbe825fa29b2b807b5ff6d8595f46af9026c9cfa

    SHA512

    2a24f79f6c2218e306d189a971f7642319c206c46582502b1c4a372ed4eb46542d953e7d72146502ac0e8e0e8d4d8abdf695e6849571e5b8dae4d8a287e1f1cc

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    674ace169e348ea908cc1ee992285155

    SHA1

    240e622550bde8509b8b1b02c3901a5a60c9fdd2

    SHA256

    f54229335490bbf67a06c718bbe825fa29b2b807b5ff6d8595f46af9026c9cfa

    SHA512

    2a24f79f6c2218e306d189a971f7642319c206c46582502b1c4a372ed4eb46542d953e7d72146502ac0e8e0e8d4d8abdf695e6849571e5b8dae4d8a287e1f1cc

  • memory/760-138-0x0000000000000000-mapping.dmp
  • memory/3336-137-0x0000000000000000-mapping.dmp
  • memory/5028-134-0x0000000000000000-mapping.dmp