Analysis

  • max time kernel
    152s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 13:50

General

  • Target

    7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe

  • Size

    659KB

  • MD5

    918a0fcf7dc3884225d5d2956561387c

  • SHA1

    8514d831cb98f1c805dfeefef2a4154fed1144c9

  • SHA256

    7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b

  • SHA512

    c2cbecc47b41902c1beec6139e8a8ba74b6c8b4bf81b4a5dd44617f9e47dcc2dbdc361dd75976edaf403bef795fb5889839cc4bd506cf8d06fd24e4b162e7517

  • SSDEEP

    12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKy:XAQ6Zx9cxTmOrucTIEFSpOGb

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe
    "C:\Users\Admin\AppData\Local\Temp\7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      PID:1584
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks BIOS information in registry
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
          PID:1692

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1028-57-0x0000000013140000-0x00000000131F7000-memory.dmp

            Filesize

            732KB

          • memory/1028-59-0x0000000013140000-0x00000000131F7000-memory.dmp

            Filesize

            732KB

          • memory/1028-63-0x0000000013140000-0x00000000131F7000-memory.dmp

            Filesize

            732KB

          • memory/1028-61-0x0000000013140000-0x00000000131F7000-memory.dmp

            Filesize

            732KB

          • memory/1028-66-0x0000000013140000-0x00000000131F7000-memory.dmp

            Filesize

            732KB

          • memory/1028-67-0x0000000013140000-0x00000000131F7000-memory.dmp

            Filesize

            732KB

          • memory/1752-54-0x0000000075111000-0x0000000075113000-memory.dmp

            Filesize

            8KB