Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 06:41

General

  • Target

    JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe

  • Size

    235KB

  • MD5

    4aea2f755e6b81108512a5dc11862500

  • SHA1

    21d9a5c4c667ca5b1259412c5accde9425c42746

  • SHA256

    e25fd2768705d8c8f733d95d9541a6f8c12d7a76176321f012be8d8b1bc00468

  • SHA512

    2d5d75cb381c693801a9ad702f7d17ec01611ae565bf5bf67cf21462d1e5cc54b98168f816514ebae22725f80760e4622b7b855e41ee32da86314dca317fd4e1

  • SSDEEP

    3072:SY/ygXnCQUYy9yxhjrSsplyU5iHquGbT47mJaCki/q/7NRgOYromMD8goZ9yz28K:SYLtU7Ixhnhz5TN6mJWd/7qMD8gmggf

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

badrss1.no-ip.biz:81

badrss.no-ip.biz:81

127.0.0.1:81

192.168.2.165:81

Mutex

DC_MUTEX-792LQ53

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Y5lV7zWR4eBC

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

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 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 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_4aea2f755e6b81108512a5dc11862500.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4aea2f755e6b81108512a5dc11862500.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:1640
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    235KB

    MD5

    4aea2f755e6b81108512a5dc11862500

    SHA1

    21d9a5c4c667ca5b1259412c5accde9425c42746

    SHA256

    e25fd2768705d8c8f733d95d9541a6f8c12d7a76176321f012be8d8b1bc00468

    SHA512

    2d5d75cb381c693801a9ad702f7d17ec01611ae565bf5bf67cf21462d1e5cc54b98168f816514ebae22725f80760e4622b7b855e41ee32da86314dca317fd4e1

  • memory/316-27-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-17-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/316-16-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-34-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-21-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-32-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-30-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-20-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-28-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-23-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/316-25-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1640-0-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1640-13-0x0000000003670000-0x0000000003725000-memory.dmp

    Filesize

    724KB

  • memory/1640-1-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/1640-12-0x0000000003670000-0x0000000003725000-memory.dmp

    Filesize

    724KB

  • memory/1640-15-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB