Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 03:00

General

  • Target
    f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe
  • Size 614KB
  • Sample221021-dhtknshdhr
  • SHA256 f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • 2.6

Botnet
  • vitima

C2
  • magux.no-ip.org:2000

Mutex
  • ***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    windows live messanger.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    123

  • regkey_hkcu

    windows live messanger

  • regkey_hklm

    windows live messanger

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 15 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe
    "C:\Users\Admin\AppData\Local\Temp\f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Users\Admin\AppData\Local\Temp\f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe
      "C:\Users\Admin\AppData\Local\Temp\f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe"
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:3056
        • C:\Users\Admin\AppData\Local\Temp\f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe
          "C:\Users\Admin\AppData\Local\Temp\f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d.exe"
          3⤵
          • Checks computer location settings
          • Checks SCSI registry key(s)
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2444
          • C:\Windows\SysWOW64\install\windows live messanger.exe
            "C:\Windows\system32\install\windows live messanger.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            PID:3372
            • C:\Windows\SysWOW64\install\windows live messanger.exe
              "C:\Windows\SysWOW64\install\windows live messanger.exe"
              5⤵
              • Executes dropped EXE
              PID:216

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          XX--XX--XX.txt

          • Path C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
          • Size 229KB
          • SHA256 f05a19f873ba1e9ff87bc3f5c97b115ba1d77e281f81a1a25581bc80a0043827
          • MD5 SHA1 SHA512 SSDEEP

          windows live messanger.exe

          • Path C:\Windows\SysWOW64\install\windows live messanger.exe
          • Size 614KB
          • SHA256 f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d
          • MD5 SHA1 SHA512 SSDEEP

          windows live messanger.exe

          • Path C:\Windows\SysWOW64\install\windows live messanger.exe
          • Size 614KB
          • SHA256 f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d
          • MD5 SHA1 SHA512 SSDEEP

          windows live messanger.exe

          • Path C:\Windows\SysWOW64\install\windows live messanger.exe
          • Size 614KB
          • SHA256 f94b4fddcc9e27f678d687610849b93c405648064f4a658e83f4f286f2c6fb3d
          • MD5 SHA1 SHA512 SSDEEP

          memory/216-161-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/216-162-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/216-156-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/216-160-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/368-135-0x0000000000400000-0x00000000004C9000-memory.dmp

          memory/2444-164-0x000000000B6F0000-0x000000000B73B000-memory.dmp

          memory/2444-149-0x0000000024080000-0x00000000240E2000-memory.dmp

          memory/2444-148-0x0000000000400000-0x00000000004C9000-memory.dmp

          memory/2444-165-0x000000000B840000-0x000000000B88B000-memory.dmp

          memory/2444-146-0x0000000024080000-0x00000000240E2000-memory.dmp

          memory/2444-166-0x0000000024080000-0x00000000240E2000-memory.dmp

          memory/2444-163-0x000000000B5A0000-0x000000000B5EB000-memory.dmp

          memory/3372-154-0x0000000000400000-0x00000000004C9000-memory.dmp

          memory/3372-159-0x0000000000400000-0x00000000004C9000-memory.dmp

          memory/5048-147-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/5048-143-0x0000000024080000-0x00000000240E2000-memory.dmp

          memory/5048-138-0x0000000024010000-0x0000000024072000-memory.dmp

          memory/5048-136-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/5048-134-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/5048-133-0x0000000000400000-0x0000000000450000-memory.dmp