Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-08-2024 22:55

General

  • Target

    83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe

  • Size

    350KB

  • MD5

    83e0ddac12acdb27da50f5dced06226f

  • SHA1

    e3dd811dbc691b529b84fa9b6cc053f04373e217

  • SHA256

    61e7b3bb8058709bee55672ac85b66b083baeae7235d5016fcddeed5c6917db9

  • SHA512

    2bbbc70c1ad09b339cd060b0e33321f9d79c391cda58ba5e5d60078a66359c74de33cd1a6592122e4129102567c18ac9361ca046e4a914966cb1edf0ed1a15a9

  • SSDEEP

    6144:xBJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lntXnZa0:xtqwjxRl+t6GfL7zcdng

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

abod12345.no-ip.info:999

Mutex

DC_MUTEX-VJQ8V8D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    3VJFaguAC0JG

  • 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
  • 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.

  • 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 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\83e0ddac12acdb27da50f5dced06226f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83e0ddac12acdb27da50f5dced06226f_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:2860
    • C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    350KB

    MD5

    83e0ddac12acdb27da50f5dced06226f

    SHA1

    e3dd811dbc691b529b84fa9b6cc053f04373e217

    SHA256

    61e7b3bb8058709bee55672ac85b66b083baeae7235d5016fcddeed5c6917db9

    SHA512

    2bbbc70c1ad09b339cd060b0e33321f9d79c391cda58ba5e5d60078a66359c74de33cd1a6592122e4129102567c18ac9361ca046e4a914966cb1edf0ed1a15a9

  • memory/2700-19-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-23-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-18-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-28-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-14-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-26-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-16-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-20-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-29-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-27-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-17-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-21-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-22-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-25-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2700-24-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2860-3-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2860-15-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2860-0-0x0000000000400000-0x00000000004EB000-memory.dmp

    Filesize

    940KB

  • memory/2860-11-0x0000000003E20000-0x0000000003F0B000-memory.dmp

    Filesize

    940KB

  • memory/2860-12-0x0000000003E20000-0x0000000003F0B000-memory.dmp

    Filesize

    940KB