Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 15:26

General

  • Target

    f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe

  • Size

    1.4MB

  • MD5

    81c205b4734288a471e20355f5941377

  • SHA1

    db90837496053086236f521569933dce00169623

  • SHA256

    f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f

  • SHA512

    a2351d00d69553a56562c88d6b8ab08c06f11d6b9f96bda0135877a97b17b7f22c0e4bee1fbed354de71a74877b5c14dde7035e60ddc284a6dc92fd90774fd46

  • SSDEEP

    24576:bFHiAZF27Yj8sA4t0hwJQiCsic8lMY+0QZh9uwD0QZh9ugMCJSuOIKX:JiADkuV1Cs/8lhLLhKjKX

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1606

Mutex

DC_MUTEX-QG6BUYQ

Attributes
  • gencode

    6Sx7YVYbVity

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe
    "C:\Users\Admin\AppData\Local\Temp\f3fa9e7e35250ca152f3604b3611a5822e4c5fe2ff6c7d8e6e5c7aacf5f9992f.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5056

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2444-132-0x0000000074F50000-0x0000000075501000-memory.dmp

          Filesize

          5.7MB

        • memory/2444-137-0x0000000074F50000-0x0000000075501000-memory.dmp

          Filesize

          5.7MB

        • memory/5056-134-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/5056-135-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/5056-136-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/5056-138-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/5056-139-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB