Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 19:22

General

  • Target

    d3398c0f3840bd9f87a7cbc161c7a525_JaffaCakes118.exe

  • Size

    688KB

  • MD5

    d3398c0f3840bd9f87a7cbc161c7a525

  • SHA1

    482006b6d7e63f08376ccb36c0ddcac005ad052d

  • SHA256

    1fa7e74c0d21f999c2f9ad0c080e324ac02b667d1b4814e766d55311b919c17f

  • SHA512

    eb327bb376b54ee101f94999609bd3f7119edbaf9e5b6e214e1d1dd67349595e8fc67575904892b018fc39267d8d9dd30d4c9184580ec4f620c9e5516ac0b0e6

  • SSDEEP

    12288:dzfULRmROHbwBqtOxbvuhgMtS/42LBEKIT87S0+ONA1TPK5LapDZrW:VfaR9GqcuKh/42tE/O+OuuyDZy

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 6 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 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3398c0f3840bd9f87a7cbc161c7a525_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d3398c0f3840bd9f87a7cbc161c7a525_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\d3398c0f3840bd9f87a7cbc161c7a525_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\d3398c0f3840bd9f87a7cbc161c7a525_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:2072
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2124
        • 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 use of AdjustPrivilegeToken
          PID:2376
      • 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 WriteProcessMemory
        PID:320
        • 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
          • Suspicious use of SetWindowsHookEx
          PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windupdt\winupdate.exe

    Filesize

    688KB

    MD5

    d3398c0f3840bd9f87a7cbc161c7a525

    SHA1

    482006b6d7e63f08376ccb36c0ddcac005ad052d

    SHA256

    1fa7e74c0d21f999c2f9ad0c080e324ac02b667d1b4814e766d55311b919c17f

    SHA512

    eb327bb376b54ee101f94999609bd3f7119edbaf9e5b6e214e1d1dd67349595e8fc67575904892b018fc39267d8d9dd30d4c9184580ec4f620c9e5516ac0b0e6

  • memory/320-49-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2072-37-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-5-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-0-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-6-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-7-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-8-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2072-9-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-3-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2072-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2124-12-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2124-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2124-16-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2124-17-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2124-19-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2124-18-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2124-26-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2376-59-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2376-30-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2376-38-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2376-29-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2376-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2376-27-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2376-28-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2376-31-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2384-4-0x0000000010000000-0x00000000100B3000-memory.dmp

    Filesize

    716KB

  • memory/2820-58-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-55-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-56-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-57-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-54-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB