Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 13:24

General

  • Target

    a80d9f57d44c84cd334d5ee47e8e4c99_JaffaCakes118.exe

  • Size

    293KB

  • MD5

    a80d9f57d44c84cd334d5ee47e8e4c99

  • SHA1

    7cd82e1a5b713c0500b19660ed7f5f172f0b2e1c

  • SHA256

    61ab7b39c2dbfbd774a8f248bb82e01b7bf561cc33f1b9650f24d9c87661545f

  • SHA512

    213436f307ccabbca79796d44c43ef7c01e6eb177089d7f0ca98bbf60a8db9e1d0e9af42021a234d67ce97f7dac6371cd60e82236f76d4f011320d9b88ae0c03

  • SSDEEP

    6144:yz+ZIja7JiVzDfdUITRilQ37imhVltGNPl4/fRq4vTBxvVjk5CKO/:yz+4KMVzDfrTRYQ3+WltCiHE4vTB3cw

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 18 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 3 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a80d9f57d44c84cd334d5ee47e8e4c99_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a80d9f57d44c84cd334d5ee47e8e4c99_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:2740
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2.JPG

    Filesize

    12KB

    MD5

    4cc2bbffd350fdc08f4ec4a6a3e1db62

    SHA1

    0a4b6f7b67fec89c20e1e1aebdd104d4835e9403

    SHA256

    62d89b4ebc3d2a2e7d8257fa77112b19fc13e6e2921cb9da556fd4699e0c2412

    SHA512

    e8325d671f78206ec8293bebc6c10ffe36a760889f9725d3005d8952342d066220e7e523c814ed433277c59d685b3a9ac8f51c7863265b61fa7c9a77738ca452

  • C:\Windupdt\winupdate.exe

    Filesize

    293KB

    MD5

    a80d9f57d44c84cd334d5ee47e8e4c99

    SHA1

    7cd82e1a5b713c0500b19660ed7f5f172f0b2e1c

    SHA256

    61ab7b39c2dbfbd774a8f248bb82e01b7bf561cc33f1b9650f24d9c87661545f

    SHA512

    213436f307ccabbca79796d44c43ef7c01e6eb177089d7f0ca98bbf60a8db9e1d0e9af42021a234d67ce97f7dac6371cd60e82236f76d4f011320d9b88ae0c03

  • memory/2068-1-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2068-6-0x0000000002700000-0x0000000002702000-memory.dmp

    Filesize

    8KB

  • memory/2068-15-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2068-0-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2128-22-0x00000000007D0000-0x00000000007D1000-memory.dmp

    Filesize

    4KB

  • memory/2128-7-0x00000000001A0000-0x00000000001A2000-memory.dmp

    Filesize

    8KB

  • memory/2128-8-0x00000000007D0000-0x00000000007D1000-memory.dmp

    Filesize

    4KB

  • memory/2740-25-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-29-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-24-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-21-0x0000000000320000-0x00000000003ED000-memory.dmp

    Filesize

    820KB

  • memory/2740-26-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-27-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-28-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-23-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-30-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-31-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-32-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-33-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-34-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-35-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-36-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2740-37-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB