Analysis

  • max time kernel
    168s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    23-03-2022 09:33

General

  • Target

    68fa207396aceaa34681470cd5d195a463d60bb5b22b7eb5de9cd08b7593e745.exe

  • Size

    104KB

  • MD5

    54f4351fa685e8fd8f7daa3d3a5919f8

  • SHA1

    60332ac344938bfb47d02ad7dbdd275e9d1facc7

  • SHA256

    68fa207396aceaa34681470cd5d195a463d60bb5b22b7eb5de9cd08b7593e745

  • SHA512

    9380c32f97aa61a357d9748273f469aa9dc8de87a9887e57e6555ee11e79ec048a9049da89654e29c771beba53d0216afd183a813536b69ff0e2aa7c61e35b02

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\68fa207396aceaa34681470cd5d195a463d60bb5b22b7eb5de9cd08b7593e745.exe
    "C:\Users\Admin\AppData\Local\Temp\68fa207396aceaa34681470cd5d195a463d60bb5b22b7eb5de9cd08b7593e745.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1424
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\68fa207396aceaa34681470cd5d195a463d60bb5b22b7eb5de9cd08b7593e745.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3324

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

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

    b1b9f21e43caab08a344476f11ca7d82

    SHA1

    7f19a400cd78d6f3e4b75f366714af141438bb4e

    SHA256

    15b679c3b8606fc0e3929c61c75e430d401bfa1fa4c54aa55c92bed48f5e0902

    SHA512

    3b6c5f7b2626eaf03bbfb5faa9f21ba1f98c5f979ac5b74b37abfaf5a862d1d8f926a15cef8692d1fde8d75c964a9ce77e6b47d76129647c6758c6db18219242

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

    b1b9f21e43caab08a344476f11ca7d82

    SHA1

    7f19a400cd78d6f3e4b75f366714af141438bb4e

    SHA256

    15b679c3b8606fc0e3929c61c75e430d401bfa1fa4c54aa55c92bed48f5e0902

    SHA512

    3b6c5f7b2626eaf03bbfb5faa9f21ba1f98c5f979ac5b74b37abfaf5a862d1d8f926a15cef8692d1fde8d75c964a9ce77e6b47d76129647c6758c6db18219242

  • memory/1424-134-0x0000000000000000-mapping.dmp
  • memory/3324-138-0x0000000000000000-mapping.dmp
  • memory/3784-137-0x0000000000000000-mapping.dmp