Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 23:02

General

  • Target

    cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe

  • Size

    708KB

  • MD5

    cf7bf3cb5ff408ae80ffab27aa4f3061

  • SHA1

    53d6eac4b7364dec220dc000e474146c0ceaedcf

  • SHA256

    e61c53adac5c59926be8c56836e91bfb91d48f4335b8595b27d5bca0037d5c71

  • SHA512

    9702b7ba31328a04d714a938079a25b350a069249de7f5482b9726ea15d1d7d0814f5df830e0ae003d01b24e9642f81864aaa70e22c84e14469223aeec87060e

  • SSDEEP

    12288:+cTRwnJKE50VD68cWOrqWXKeeV7zCQZCOY2C8jo7NUL5vMQaw/uYftwq:+cTRGJHS3OrBXKeiHCQIOxjo7ypdawBb

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
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • 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:2520
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Checks BIOS information in registry
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2856
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windupdt\winupdate.exe
          C:\Windupdt\winupdate.exe
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2816
      • C:\Windows\SysWOW64\ping.exe
        ping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\cf7bf3cb5ff408ae80ffab27aa4f3061_JaffaCakes118.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windupdt\winupdate.exe

    Filesize

    708KB

    MD5

    cf7bf3cb5ff408ae80ffab27aa4f3061

    SHA1

    53d6eac4b7364dec220dc000e474146c0ceaedcf

    SHA256

    e61c53adac5c59926be8c56836e91bfb91d48f4335b8595b27d5bca0037d5c71

    SHA512

    9702b7ba31328a04d714a938079a25b350a069249de7f5482b9726ea15d1d7d0814f5df830e0ae003d01b24e9642f81864aaa70e22c84e14469223aeec87060e

  • memory/1812-14-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/1812-22-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/1812-17-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/1812-10-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/1812-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2520-39-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2520-3-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2520-6-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2520-5-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2520-4-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2520-7-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2520-2-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2816-48-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2816-53-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2816-55-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2816-56-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2816-57-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2816-54-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-27-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-24-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-25-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-26-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-28-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-29-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-23-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2856-62-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB