Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 02:38

General

  • Target

    921508979303b9ae5bc51c919dcb282e_JaffaCakes118.exe

  • Size

    403KB

  • MD5

    921508979303b9ae5bc51c919dcb282e

  • SHA1

    c80a54549a4523857a5b685d46acf52ca52bd98f

  • SHA256

    64afb63790cadc4d8d59a851179aa0c1257df041eb1f8c01d7c3f3446a10d9c1

  • SHA512

    89997d3551bc0c97e56075bc1bb4b4947f90409b5ed5eb70d1bc7b11aa8ca6d943ad21df4f3785a3f68c98336944eaaca044301f5e794e237292aa50b5be765a

  • SSDEEP

    6144:At2XAffQFZrbpR7wxIjYkfa0qpmAHvH3A9diV0GIuh65xvySYBFwj+:+Hak0E06xQC0bueBcLK+

Malware Config

Extracted

Family

darkcomet

Botnet

Ilover

C2

fashionloverph.no-ip.info:1809

Mutex

DC_MUTEX-J2V2VRJ

Attributes
  • gencode

    R4ltDW8X5sNf

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 24 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 7 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\921508979303b9ae5bc51c919dcb282e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\921508979303b9ae5bc51c919dcb282e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Users\Admin\AppData\Local\Temp\plugtmp\Service.exe
      C:\Users\Admin\AppData\Local\Temp\\plugtmp\Service.exe
      2⤵
      • Modifies firewall policy service
      • Disables RegEdit via registry modification
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1288
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\plugtmp\Service.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1440
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\plugtmp\Service.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:3936
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\plugtmp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3252
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\plugtmp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:3248
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\plugtmp\Service.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/1288-35-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-42-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-41-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-40-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-12-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-16-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-20-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-19-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-18-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-21-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/1288-22-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-39-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-25-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-24-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-7-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-28-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-38-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-29-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-30-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-31-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-32-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-33-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-34-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-37-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1288-36-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4644-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/4644-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/4644-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/4644-26-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/4644-27-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/4696-23-0x0000000001360000-0x0000000001361000-memory.dmp

    Filesize

    4KB