Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 11:06

General

  • Target

    73c98ffcdfaa60ff5d8cf6dabda7d0ab_JaffaCakes118.exe

  • Size

    678KB

  • MD5

    73c98ffcdfaa60ff5d8cf6dabda7d0ab

  • SHA1

    046910bb88a9360ce24269768c9a46143697c103

  • SHA256

    f9405a6c0b639fe55234089fa4266e53d85dedcb4111b692d832ae2f76643f0d

  • SHA512

    826bafe8b7d365c91c7f9ddf56bdc432ec4035bb90602b71e0248ddb2fb1ada773ddefbf7c1bd2e6fe22feeac0e15c9fb6e6aa3d153bdf05494a1c8230644a6a

  • SSDEEP

    12288:7GS0C81G0DCneK63t+ZDCrv9MVX0XNsrgpqfdhexnV1Ua9+8GPh4e+X+ETfA:7D0DSeK6GIliIsrgcOV1Ua5GZLMTfA

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

masss.no-ip.biz:1604

Mutex

DC_MUTEX-KPFPAPT

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    f56klvnL1Z1j

  • install

    true

  • offline_keylogger

    true

  • password

    12345

  • persistence

    true

  • reg_key

    MicroUpdate

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 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73c98ffcdfaa60ff5d8cf6dabda7d0ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\73c98ffcdfaa60ff5d8cf6dabda7d0ab_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\73c98ffcdfaa60ff5d8cf6dabda7d0ab_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\73c98ffcdfaa60ff5d8cf6dabda7d0ab_JaffaCakes118.exe
      2⤵
      • 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:2120
      • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

    Filesize

    678KB

    MD5

    73c98ffcdfaa60ff5d8cf6dabda7d0ab

    SHA1

    046910bb88a9360ce24269768c9a46143697c103

    SHA256

    f9405a6c0b639fe55234089fa4266e53d85dedcb4111b692d832ae2f76643f0d

    SHA512

    826bafe8b7d365c91c7f9ddf56bdc432ec4035bb90602b71e0248ddb2fb1ada773ddefbf7c1bd2e6fe22feeac0e15c9fb6e6aa3d153bdf05494a1c8230644a6a

  • memory/1368-70-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1368-43-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2120-42-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-10-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-26-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-23-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-22-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2120-16-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-15-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-12-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-18-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-8-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-6-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-27-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-4-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2120-38-0x0000000002000000-0x000000000200B000-memory.dmp

    Filesize

    44KB

  • memory/2120-37-0x0000000002000000-0x000000000200B000-memory.dmp

    Filesize

    44KB

  • memory/2472-3-0x0000000000270000-0x000000000027B000-memory.dmp

    Filesize

    44KB

  • memory/2472-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2472-25-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2532-85-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-80-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-73-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-74-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-76-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-78-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-79-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-89-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-81-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-82-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-83-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-84-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-86-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-87-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-88-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2532-90-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB