Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 10:49

General

  • Target

    15b7e0abf99ca0d676029e8b22498209_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    15b7e0abf99ca0d676029e8b22498209

  • SHA1

    81ddddb411c2e52c38756d2844b9697655884bb4

  • SHA256

    1b42202ece42ad388bfc7130f23945748a26ef286e8478e3f800d7f552fe340f

  • SHA512

    025330e1576eb9010f77df11404f984bebcfa7dbef3ec543bc6cfdcbb4c623495b4963c4c7e088dda418eb8b6c734e4b297f69d5668b38598310498b5ad346c4

  • SSDEEP

    24576:K9b43KRo7xvu2Ui+mBvqvtEWvRk8Ml6uOdbI:e4ay7xui/wRk9suQE

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

C2

hackingrats.no-ip.biz:1604

Mutex

DCMIN_MUTEX-KXAVH1D

Attributes
  • InstallPath

    System32.exe

  • gencode

    DERuPJ12yzN9

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15b7e0abf99ca0d676029e8b22498209_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\15b7e0abf99ca0d676029e8b22498209_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\System32.exe
        "C:\Windows\system32\System32.exe"
        3⤵
        • Executes dropped EXE
        PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\vbc.exe

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/1664-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-42-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-23-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-9-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-27-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1664-32-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-31-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1664-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-11-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1664-30-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2096-2-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-1-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-38-0x0000000073FF0000-0x000000007459B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-0-0x0000000073FF1000-0x0000000073FF2000-memory.dmp

    Filesize

    4KB