Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 20:16

General

  • Target

    Zeus.exe

  • Size

    673KB

  • MD5

    e162593184c10a4b93feed411a613d41

  • SHA1

    9579c418e1bb687bdff0022a5cd7be3f3a2340e8

  • SHA256

    34920711b11dfc1e8a9b3cfc40cf8ffbb91b139d60823401165343cb35614016

  • SHA512

    2817c7f6cf9d49e04c435bcb67640889b179378701be774f995d6e9cf438c913b5854f5d7006f09a7b29432b5d1a2f737701e552bfa712960b61e44a8f9a5b75

  • SSDEEP

    12288:m9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hWvT:CZ1xuVVjfFoynPaVBUR8f+kN10EBEvT

Malware Config

Extracted

Family

darkcomet

Botnet

Ýndiren

C2

127.0.0.1:1604

Mutex

DC_MUTEX-A5N8RE3

Attributes
  • InstallPath

    Windows gezgini\explorer.exe

  • gencode

    AiHvCRNYn7du

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    System

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • 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 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zeus.exe
    "C:\Users\Admin\AppData\Local\Temp\Zeus.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4312
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Zeus.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\Zeus.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:216
    • C:\Windows\SysWOW64\Windows gezgini\explorer.exe
      "C:\Windows\system32\Windows gezgini\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
          PID:1976
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          3⤵
            PID:4528
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            3⤵
            • System Location Discovery: System Language Discovery
            PID:2264

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\Windows gezgini\explorer.exe

        Filesize

        673KB

        MD5

        e162593184c10a4b93feed411a613d41

        SHA1

        9579c418e1bb687bdff0022a5cd7be3f3a2340e8

        SHA256

        34920711b11dfc1e8a9b3cfc40cf8ffbb91b139d60823401165343cb35614016

        SHA512

        2817c7f6cf9d49e04c435bcb67640889b179378701be774f995d6e9cf438c913b5854f5d7006f09a7b29432b5d1a2f737701e552bfa712960b61e44a8f9a5b75

      • memory/2264-62-0x00000000009E0000-0x00000000009E1000-memory.dmp

        Filesize

        4KB

      • memory/2636-61-0x0000000002270000-0x0000000002271000-memory.dmp

        Filesize

        4KB

      • memory/2636-64-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB

      • memory/2636-65-0x0000000002270000-0x0000000002271000-memory.dmp

        Filesize

        4KB

      • memory/4312-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

        Filesize

        4KB

      • memory/4312-63-0x0000000000400000-0x00000000004B5000-memory.dmp

        Filesize

        724KB