Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2025, 07:45

General

  • Target

    JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe

  • Size

    232KB

  • MD5

    0ba7b8d965c537a055fd71d37b1390e6

  • SHA1

    f0a0f1aff95c08cce9dac2aef1d5a89611c66b27

  • SHA256

    c43434a415763a328dbebcb7f0c27cfe5972a216728b4eacdaa1f35f06f568ba

  • SHA512

    da8c2a9404066b33c52381bbc2277c1c27a7be346053360552a1a04893f7e3d18d0bb859931c9374c076d819a1f259b941313b03863c7aa671924537dfbc649b

  • SSDEEP

    6144:GjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMb+oS:mFy9bPQZlFjrG0ZmYbwg+oS

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

68.53.85.102 :1604

Mutex

DCMIN_MUTEX-025M0EV

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    PcXH8XKE2wN4

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    nets

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 6 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 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    232KB

    MD5

    0ba7b8d965c537a055fd71d37b1390e6

    SHA1

    f0a0f1aff95c08cce9dac2aef1d5a89611c66b27

    SHA256

    c43434a415763a328dbebcb7f0c27cfe5972a216728b4eacdaa1f35f06f568ba

    SHA512

    da8c2a9404066b33c52381bbc2277c1c27a7be346053360552a1a04893f7e3d18d0bb859931c9374c076d819a1f259b941313b03863c7aa671924537dfbc649b

  • memory/2820-12-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-13-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2820-16-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-19-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3012-0-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3012-1-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/3012-10-0x00000000033A0000-0x0000000003457000-memory.dmp

    Filesize

    732KB

  • memory/3012-15-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB