Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 13:42

General

  • Target

    229ed40d552df7f6945c547a76088f85.exe

  • Size

    734KB

  • MD5

    229ed40d552df7f6945c547a76088f85

  • SHA1

    eb1ee94471caf81a6f6c3f40b9b3df7aa493bee1

  • SHA256

    6dc67d242dcdf78000162614b046c9ca0282aa502574324c8de8ab7acbe420b6

  • SHA512

    0d706f7ffe12b859142c2719c14ff82cdf780fa435dff9856e108efa1f9594b8b5dda4424fdd2b91e5cc9c412fa72196882760a4bc86dfa8d5929580c9121bd1

  • SSDEEP

    12288:JaXTluCLqVRUQaBA/3oHET3PVt7bkstj6CcMii7rAi:4XxbOnUQaBAwHuPVt7bkcj9c1m

Malware Config

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\229ed40d552df7f6945c547a76088f85.exe
    "C:\Users\Admin\AppData\Local\Temp\229ed40d552df7f6945c547a76088f85.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3972
    • C:\Users\Admin\AppData\Local\Temp\System\ntvdmd.exe
      "C:\Users\Admin\AppData\Local\Temp\System\ntvdmd.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4720
      • C:\Users\Admin\AppData\Local\Temp\System\UccApi.exe
        "C:\Users\Admin\AppData\Local\Temp\System\UccApi.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1304
  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\System\ntvdmd.exe

    Filesize

    47KB

    MD5

    03c886af821f78c72b9f31a5ee9523bf

    SHA1

    00eb6757b298c1dbfd815672c4d66d88078f489f

    SHA256

    225e869ca14f2ce166871f218c9ff7161ebd25b8ea521a563194d40729318247

    SHA512

    d6d915b160019545ad77f62bf8aa25945fb142c105c2a0535c34139f83f2874412706d6be2e6d982a0a8f54caba2e4debf4446ede134c6c766510dbe942377f0

  • memory/1304-32-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/1304-40-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/1304-29-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/1304-30-0x00000000013A0000-0x00000000013B0000-memory.dmp

    Filesize

    64KB

  • memory/1432-41-0x0000000000670000-0x0000000000671000-memory.dmp

    Filesize

    4KB

  • memory/1432-35-0x0000000000670000-0x0000000000671000-memory.dmp

    Filesize

    4KB

  • memory/3972-13-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3972-8-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3972-7-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3972-11-0x0000000002180000-0x0000000002181000-memory.dmp

    Filesize

    4KB

  • memory/3972-12-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3972-9-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3972-10-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/4668-0-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/4668-36-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/4668-37-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/4668-38-0x0000000000710000-0x0000000000720000-memory.dmp

    Filesize

    64KB

  • memory/4668-1-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/4668-2-0x0000000000710000-0x0000000000720000-memory.dmp

    Filesize

    64KB

  • memory/4720-25-0x00000000018D0000-0x00000000018E0000-memory.dmp

    Filesize

    64KB

  • memory/4720-24-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/4720-26-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/4720-39-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB