Overview

overview

10

Static

static

3

a31d6927bf...18.exe

windows7-x64

10

a31d6927bf...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 17:02

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    a31d6927bf04e3ffd52f558de7210037_JaffaCakes118.exe

  • Size

    255KB

  • MD5

    a31d6927bf04e3ffd52f558de7210037

  • SHA1

    095eb395c68c207e41a354efbbd22e77ff75417b

  • SHA256

    58dbfc2bc3e08cbbe98dcf288446c5f5ae9e71dc693f8cfb042f7eff90e62b1c

  • SHA512

    81cdee6cbf20fce4085180888d6f659ddd72f8715085937c104ac950ef644cb0a7148e63bf7298d4840ef31725702a2d92f9ed8fb88b195dfa909d467d32da96

  • SSDEEP

    6144:vuxXBYvNW6TnAIqf80BkhNygzGEUpQg2ciHvi6n8Lz:iB4WZrd8NygzlgeHKCSz

Score
10/10
darkcometdiscoverypersistencerattrojanupx

Malware Config

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Darkcomet family
    darkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Checks BIOS information in registry 2 TTPs 1 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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

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

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 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:964
    • 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
      • 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
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:2800
        • C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.exe
          "C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2980
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 464
            4⤵
            • Program crash
            PID:4960
        • 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:4268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2980 -ip 2980
      1⤵
        PID:2252

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Micorsoft\svchost.exe
        Filesize

        255KB

        MD5

        a31d6927bf04e3ffd52f558de7210037

        SHA1

        095eb395c68c207e41a354efbbd22e77ff75417b

        SHA256

        58dbfc2bc3e08cbbe98dcf288446c5f5ae9e71dc693f8cfb042f7eff90e62b1c

        SHA512

        81cdee6cbf20fce4085180888d6f659ddd72f8715085937c104ac950ef644cb0a7148e63bf7298d4840ef31725702a2d92f9ed8fb88b195dfa909d467d32da96

        Download Submit

      • memory/4496-2-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-4-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-5-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-6-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-7-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-8-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-9-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download

      • memory/4496-72-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

        Download