Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 10:41

General

  • Target

    56fb8c0f7ca3207d097d99851a7394b5_JaffaCakes118.exe

  • Size

    796KB

  • MD5

    56fb8c0f7ca3207d097d99851a7394b5

  • SHA1

    a405fc816bca78f200e72cc931865075fb8a8c90

  • SHA256

    dbd3ebf94196b14f6b8fe7218649e98951f5f373ab7c4352e43a50a5da2d0eb6

  • SHA512

    b30a03ab2644476b8cd8cafb41acca60db86fd735ed751ed96b31ef6c46fefe010530634be67ae390c9e548ccd5f3f3847ec33f6f145bdac6bfaf3ee69957e76

  • SSDEEP

    12288:u+/7zemUO1HK5OLXlewvefLvIm1O+nMd/08RnFcaSjsBcbPOa1lQ12mleKfezNo/:B/2uK5OiLvPORdvRua4mcbPjTQkKe1m

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 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 5 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 use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56fb8c0f7ca3207d097d99851a7394b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\56fb8c0f7ca3207d097d99851a7394b5_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Local\Temp\56fb8c0f7ca3207d097d99851a7394b5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\56fb8c0f7ca3207d097d99851a7394b5_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • 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:1356
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4596
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:4560
        • C:\Windupdt\winupdate.exe
          "C:\Windupdt\winupdate.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4920
          • C:\Windupdt\winupdate.exe
            C:\Windupdt\winupdate.exe
            4⤵
            • Checks BIOS information in registry
            • Executes dropped EXE
            • 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:3912
            • C:\Windows\SysWOW64\explorer.exe
              "C:\Windows\SysWOW64\explorer.exe"
              5⤵
                PID:2724

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windupdt\winupdate.exe

        Filesize

        796KB

        MD5

        56fb8c0f7ca3207d097d99851a7394b5

        SHA1

        a405fc816bca78f200e72cc931865075fb8a8c90

        SHA256

        dbd3ebf94196b14f6b8fe7218649e98951f5f373ab7c4352e43a50a5da2d0eb6

        SHA512

        b30a03ab2644476b8cd8cafb41acca60db86fd735ed751ed96b31ef6c46fefe010530634be67ae390c9e548ccd5f3f3847ec33f6f145bdac6bfaf3ee69957e76

      • memory/1356-4-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/1356-5-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/1356-6-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/1356-7-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/1356-8-0x00000000022D0000-0x00000000022D1000-memory.dmp

        Filesize

        4KB

      • memory/1356-17-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/3912-22-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/3912-23-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/3912-24-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/4596-10-0x0000000000480000-0x0000000000481000-memory.dmp

        Filesize

        4KB