Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 09:46

General

  • Target

    56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe

  • Size

    264KB

  • MD5

    56c0a91b938a98ec4749b43c865780b7

  • SHA1

    8b550412699c2e01842324edc1d6eca1b9caf9be

  • SHA256

    692d84102100a7a337cdb689336bd9a33d0e6a20f05d63e59d2816405ae6a3c1

  • SHA512

    2d4daf7b87eb69942bf77a2eab871562696f1a37d67da7c23e5717eb89277390c1eacb2996cd7aeed292e62f38ebc7f0c0eadbdb8c0ebbc7236808a61022cba1

  • SSDEEP

    6144:/0ml5jD9WSCUHt5/DrAU2PXsCV9YzaSeSnpK4Vod:Nn9HPNdAU2HjYWSeSnpK4Kd

Malware Config

Extracted

Family

darkcomet

Botnet

Guest111

C2

kostya05.no-ip.biz:1604

Mutex

DC_MUTEX-FYA8SEH

Attributes
  • gencode

    4WSiBT0MEb4m

  • 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
  • Loads dropped DLL 2 IoCs
  • UPX packed file 18 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Users\Admin\AppData\Local\Temp\2.exe
      "C:\Users\Admin\AppData\Local\Temp\2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2172
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\GoodsYandex.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2.exe

    Filesize

    251KB

    MD5

    8717c8eb4c3d2d630845525c16f97d61

    SHA1

    32eb8d462cd847c109c74bfa9a4ae7a71c554cc2

    SHA256

    95e97a5a94db4665ea0e7f9c03e7b463996984b4aaee60516b4d3f05194aae8d

    SHA512

    51d5f3dacf2ca9ffe50154bf8b58f6471358f6af06788f15339a44d54c9c8db32eb3cbffe0da60445953763fbf309798e7671441769e06f6aa3b70ddf81a16b2

  • C:\Users\Admin\AppData\Local\Temp\GoodsYandex.txt

    Filesize

    10KB

    MD5

    cd611959ef6c66b6e430a14bc0c2807b

    SHA1

    885285fcb10dc42aaab6dc9945f5d908e56c00ec

    SHA256

    31b5b317c963e5342eb5e850522eb0b111a278aca2c2ce7551557a1f54aba0aa

    SHA512

    3d218eda86e98f12b43599a743fe635ff4d4e1ab8f112ecd4d0a48af8570a991119bf90921630dd3b823b17e9e1775bc2cb60239c6473e72da5cad6d7db9b535

  • memory/1552-11-0x0000000002450000-0x0000000002507000-memory.dmp

    Filesize

    732KB

  • memory/1552-12-0x0000000002450000-0x0000000002507000-memory.dmp

    Filesize

    732KB

  • memory/2172-22-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-25-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-18-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-19-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-20-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-21-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-14-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-23-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-24-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-16-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2172-26-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-27-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-28-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-29-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-30-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-31-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2172-32-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB