Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 03:50

General

  • Target

    734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe

  • Size

    520KB

  • MD5

    ead518469e56fd742ed1955f744285e0

  • SHA1

    d78a93bc65d01bbb505f58031a74a9a7219bd434

  • SHA256

    734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322e

  • SHA512

    cb4f39e081d400169d721a501ed97a094fb0a18b6980b4c8a60b4fa5c1da5be91bf5517ddb35b1e71d0f205c5e218ff74e71ecd435fb8bce105afe92c0cae3bf

  • SSDEEP

    6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbL:f9fC3hh29Ya77A90aFtDfT5IMbL

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

C2

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes
  • gencode

    8GG5LVVGljSF

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe
    "C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe
      "C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:384
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • Gathers network information
            PID:5024
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 272
              6⤵
              • Program crash
              PID:2492
        • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1712
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
    1⤵
      PID:4568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

      Filesize

      520KB

      MD5

      6043dcf656bc58860f5a84534acd74f5

      SHA1

      f137d5e01d7258dd0a98d3e6d5081a598e3c20e8

      SHA256

      b07111d98955cf7c6012092aae6bd333f7e0cfa8b0aaff3ab5065691330d42c4

      SHA512

      27ef5a9ccaf7b46bb074f367b18e287e8476b36ae322b5d257c44acdfd788b6de322133424f0f40369fc96a8c71ccc72ed9ae60fe8de40f29c040a51e9a78f2f

    • memory/384-44-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/744-37-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/744-24-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/744-23-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/1712-41-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-32-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-48-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-47-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-46-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-45-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-40-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-29-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-34-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-39-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1712-38-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1832-2-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/1832-4-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/1832-9-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/1832-3-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/1832-10-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/1968-5-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1968-7-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1968-21-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1968-20-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB