Analysis

  • max time kernel
    140s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    23-03-2022 09:34

General

  • Target

    dae0b1a00a0f6f79177dafd7090b3c3f1c2d4e8956a0dd7a5d3eef9ca04ab3b2.exe

  • Size

    101KB

  • MD5

    b88832d57dba1e71d93b09509de8fb8d

  • SHA1

    5eae328759f664289f757b71af2a5aafee9f8605

  • SHA256

    dae0b1a00a0f6f79177dafd7090b3c3f1c2d4e8956a0dd7a5d3eef9ca04ab3b2

  • SHA512

    be0ffefeb9f1436a6852522b6fd703dac7d15ca6266d82420e0500da817340a06220debd5836e52c7ab89a92f3ba8ea6e7f9ab2d9e2b603519a58d992a26c255

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\dae0b1a00a0f6f79177dafd7090b3c3f1c2d4e8956a0dd7a5d3eef9ca04ab3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\dae0b1a00a0f6f79177dafd7090b3c3f1c2d4e8956a0dd7a5d3eef9ca04ab3b2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:5100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\dae0b1a00a0f6f79177dafd7090b3c3f1c2d4e8956a0dd7a5d3eef9ca04ab3b2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    7e0a030fad5682ba7c1511a27b9a9a8f

    SHA1

    50ca858ef34c8ea6fa42d6453c31a16373e56c01

    SHA256

    c1a0371a508d4edb574322a58ea18a259fa69a4635883ad1e6d2de39940bf72c

    SHA512

    16752efc21db2b75e2c2b97c906172470123e6457a0fd02628e1eba0834427e8d3ad9886994eb92ffb3d379cd02043636c9dfbd8fcb4196df12809aac078eec3

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

    MD5

    7e0a030fad5682ba7c1511a27b9a9a8f

    SHA1

    50ca858ef34c8ea6fa42d6453c31a16373e56c01

    SHA256

    c1a0371a508d4edb574322a58ea18a259fa69a4635883ad1e6d2de39940bf72c

    SHA512

    16752efc21db2b75e2c2b97c906172470123e6457a0fd02628e1eba0834427e8d3ad9886994eb92ffb3d379cd02043636c9dfbd8fcb4196df12809aac078eec3

  • memory/1440-134-0x0000000000000000-mapping.dmp

  • memory/2672-133-0x0000000000000000-mapping.dmp

  • memory/5100-130-0x0000000000000000-mapping.dmp