Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-08-2024 21:25

General

  • Target

    8399e22a618497da4fb73205fdecebcd_JaffaCakes118.exe

  • Size

    644KB

  • MD5

    8399e22a618497da4fb73205fdecebcd

  • SHA1

    7ead998adc1969b7917195e76188bbce7f1c6f4a

  • SHA256

    022e216bc025cf6c4dd9b478f81bf6290b933ec78488696f7a9b88199d7739a0

  • SHA512

    3e5de840115b3c33dc1b384d3353a8ac933259836cd83c1333e71dde3e6c08a69cd91134903c12ad40b44356c60cbdc077f5fbecc16d43c17cb386dd48becf05

  • SSDEEP

    12288:IJdTK+HwbCV94hNQNxfKnvHz50gOVyajK1TTHEB18GmWjApG:IJTh/svHCg2yaSTHq8Pt8

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

mw2511.no-ip.info:1604

Mutex

DC_MUTEX-TC9QD01

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    kWFty2jHXpbm

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • 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
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8399e22a618497da4fb73205fdecebcd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8399e22a618497da4fb73205fdecebcd_JaffaCakes118.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:2688
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    644KB

    MD5

    8399e22a618497da4fb73205fdecebcd

    SHA1

    7ead998adc1969b7917195e76188bbce7f1c6f4a

    SHA256

    022e216bc025cf6c4dd9b478f81bf6290b933ec78488696f7a9b88199d7739a0

    SHA512

    3e5de840115b3c33dc1b384d3353a8ac933259836cd83c1333e71dde3e6c08a69cd91134903c12ad40b44356c60cbdc077f5fbecc16d43c17cb386dd48becf05

  • memory/2584-67-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2584-28-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/2688-6-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-10-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-9-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-8-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-11-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-4-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-3-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-0-0x0000000000401000-0x0000000000403000-memory.dmp

    Filesize

    8KB

  • memory/2688-14-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-7-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-5-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2688-1-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-29-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-75-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-24-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-25-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-26-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-69-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-70-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-72-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-71-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-73-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-74-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-27-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-76-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-77-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-78-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-79-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-80-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-81-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-82-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-83-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB

  • memory/2700-84-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB