Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 17:02

General

  • Target

    a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe

  • Size

    255KB

  • MD5

    a31d6927bf04e3ffd52f558de7210037

  • SHA1

    095eb395c68c207e41a354efbbd22e77ff75417b

  • SHA256

    58dbfc2bc3e08cbbe98dcf288446c5f5ae9e71dc693f8cfb042f7eff90e62b1c

  • SHA512

    81cdee6cbf20fce4085180888d6f659ddd72f8715085937c104ac950ef644cb0a7148e63bf7298d4840ef31725702a2d92f9ed8fb88b195dfa909d467d32da96

  • SSDEEP

    6144:vuxXBYvNW6TnAIqf80BkhNygzGEUpQg2ciHvi6n8Lz:iB4WZrd8NygzlgeHKCSz

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 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 30 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 5 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 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe"
      2⤵
      • 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:2168
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:2340
        • C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.exe
          "C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2456
          • C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.exe
            "C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.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 behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2724
        • C:\Windows\SysWOW64\ping.exe
          ping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Roaming\Micorsoft\svchost.exe

      Filesize

      255KB

      MD5

      a31d6927bf04e3ffd52f558de7210037

      SHA1

      095eb395c68c207e41a354efbbd22e77ff75417b

      SHA256

      58dbfc2bc3e08cbbe98dcf288446c5f5ae9e71dc693f8cfb042f7eff90e62b1c

      SHA512

      81cdee6cbf20fce4085180888d6f659ddd72f8715085937c104ac950ef644cb0a7148e63bf7298d4840ef31725702a2d92f9ed8fb88b195dfa909d467d32da96

    • memory/2168-2-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-4-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-3-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-5-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-7-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-6-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-9-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2168-21-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-29-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-40-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-32-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-34-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-33-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-31-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-35-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-36-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-37-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-38-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-39-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-30-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-41-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-42-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-43-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-44-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-45-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-46-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-47-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-48-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-49-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB

    • memory/2724-50-0x0000000000400000-0x00000000004B5000-memory.dmp

      Filesize

      724KB