Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 15:01

General

  • Target

    Butterfly Knife Slaughter/Butterfly Knife Slaughter Skins.exe

  • Size

    870KB

  • MD5

    e96b3ac179c7c1e81d52967064f829fa

  • SHA1

    f4e95f4d5c7f4cabf52b1c28b6fde5ab3699d7a3

  • SHA256

    d0460663f8f6a1dbdd87f4970e347db55667f4e70e120777d43958986579319b

  • SHA512

    2f98d46dfcb37dc78aaf0d6ecbb40cf4b7f9713329c6bcea059e00cdd1e4417987024ab4e53901d241f14373691d9c9f26784061385f022ad369f3426d9a6b23

  • SSDEEP

    12288:Vj4O4UIGXLgOhMnV2xwRI7A2Jx+SrgmljgHbi2+TRL70/:VESXLPh2Qn+SM6Z2WRL7c

Malware Config

Extracted

Family

darkcomet

Botnet

Sexbombe

C2

rat-darkcomet766.no-ip.org:1604

Mutex

DC_MUTEX-B3RTF03

Attributes
  • gencode

    YVAJXNGg52FS

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 19 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Butterfly Knife Slaughter\Butterfly Knife Slaughter Skins.exe
    "C:\Users\Admin\AppData\Local\Temp\Butterfly Knife Slaughter\Butterfly Knife Slaughter Skins.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/808-13-0x0000000074B30000-0x00000000750E1000-memory.dmp

    Filesize

    5.7MB

  • memory/808-1-0x0000000074B30000-0x00000000750E1000-memory.dmp

    Filesize

    5.7MB

  • memory/808-2-0x0000000074B30000-0x00000000750E1000-memory.dmp

    Filesize

    5.7MB

  • memory/808-3-0x0000000074B30000-0x00000000750E1000-memory.dmp

    Filesize

    5.7MB

  • memory/808-4-0x0000000074B30000-0x00000000750E1000-memory.dmp

    Filesize

    5.7MB

  • memory/808-0-0x0000000074B32000-0x0000000074B33000-memory.dmp

    Filesize

    4KB

  • memory/4120-18-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-21-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-14-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-6-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-5-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-17-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-15-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-8-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-20-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-19-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-22-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-24-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-26-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-28-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-30-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-32-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4120-34-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB