Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-01-2022 01:28

General

  • Target

    b48dff9eb8b13b208541e454f04ad30dd0fbef9b9982e7194e80dadbc682c8fe.exe

  • Size

    89KB

  • MD5

    97479fa13d9b96da33cdb49749fc2baf

  • SHA1

    8a89a1cc1d9f7a1891e9523b80c21ac530554e66

  • SHA256

    b48dff9eb8b13b208541e454f04ad30dd0fbef9b9982e7194e80dadbc682c8fe

  • SHA512

    d6dd18a629e5f974132c80e83d3e033fb7fdbca026d101fa3dca9fb8270acc2efcbd9a360ee393fca42ea3e28d365165d523cb02b2d01a3ad05fec06667a8567

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • 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\b48dff9eb8b13b208541e454f04ad30dd0fbef9b9982e7194e80dadbc682c8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\b48dff9eb8b13b208541e454f04ad30dd0fbef9b9982e7194e80dadbc682c8fe.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4148
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b48dff9eb8b13b208541e454f04ad30dd0fbef9b9982e7194e80dadbc682c8fe.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    8b910c0b427465d8a262cc1c17743b28

    SHA1

    038488babfc5102bf9b0572caa99acb9dc50f17e

    SHA256

    d70eed34c5a69d399ac1644633572fb3d6c254fe057d786afc0f4abc09ebdf91

    SHA512

    0e24950b693d8cf07f9798992157dd13ff95c40ba4af5e2d322bee488b235c9dc8f239e0b00ac5cc41f2da948df8fd1c286e693bb7bd39ccbe3d27c85face1d6

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

    MD5

    8b910c0b427465d8a262cc1c17743b28

    SHA1

    038488babfc5102bf9b0572caa99acb9dc50f17e

    SHA256

    d70eed34c5a69d399ac1644633572fb3d6c254fe057d786afc0f4abc09ebdf91

    SHA512

    0e24950b693d8cf07f9798992157dd13ff95c40ba4af5e2d322bee488b235c9dc8f239e0b00ac5cc41f2da948df8fd1c286e693bb7bd39ccbe3d27c85face1d6