Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 16:27

General

  • Target

    317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45.exe

  • Size

    1.3MB

  • MD5

    a131afc96a8738a9202b91c2761d260f

  • SHA1

    d3b9f7709bac6995acc46e8e28dd45e993b12797

  • SHA256

    317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45

  • SHA512

    5e19b162fe31c7ad693a5614eb969e12a31c5c5c7bc47ff464f3e83967a9ae6e5dd0d9783ef5f855c864a9638a4143b59e82378a1fbf92a4b200a249eccdfed9

  • SSDEEP

    24576:iRmJkcoQricOIQxiZY1iaqcqCm9loQZ4jQWg8ovinj931Oz:3JZoQrbTFZY1iaqRos4S4n91i

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

iiandlez.no-ip.biz:1604

Mutex

DC_MUTEX-LHA82F4

Attributes
  • gencode

    Rk4tghGjBxmc

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45.exe
    "C:\Users\Admin\AppData\Local\Temp\317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Local\Temp\317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45.exe
      "C:\Users\Admin\AppData\Local\Temp\317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4644

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45.exe

          Filesize

          1.3MB

          MD5

          a131afc96a8738a9202b91c2761d260f

          SHA1

          d3b9f7709bac6995acc46e8e28dd45e993b12797

          SHA256

          317fcd55d08d6df4d0d095f55817b2d9d562b32c76bd16da99336a245fd78f45

          SHA512

          5e19b162fe31c7ad693a5614eb969e12a31c5c5c7bc47ff464f3e83967a9ae6e5dd0d9783ef5f855c864a9638a4143b59e82378a1fbf92a4b200a249eccdfed9

        • memory/4644-133-0x00000000000D0000-0x0000000000182000-memory.dmp

          Filesize

          712KB

        • memory/4644-135-0x00000000000D0000-0x0000000000182000-memory.dmp

          Filesize

          712KB

        • memory/4644-136-0x00000000000D0000-0x0000000000182000-memory.dmp

          Filesize

          712KB

        • memory/4644-137-0x00000000000D0000-0x0000000000182000-memory.dmp

          Filesize

          712KB

        • memory/4644-138-0x00000000000D0000-0x0000000000182000-memory.dmp

          Filesize

          712KB