Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 02:56

General

  • Target
    aed40ec23c4190ea48d89c1c8e785bfbb8eb77e0d85d254ff2a970a40caafcf3.exe
  • Size 277KB
  • Sample221124-de1vkscf99
  • SHA256 aed40ec23c4190ea48d89c1c8e785bfbb8eb77e0d85d254ff2a970a40caafcf3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • v3.4.2.2

Botnet
  • hacked

C2
  • 127.0.0.1:81

Mutex
  • 55G0E75OYETX08

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Windir

  • install_file

    svchsot.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    (The system cannot find the file specified. (0x80070002)

  • message_box_title

    Error

  • password

    crack

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

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
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 10 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2348
      • C:\Users\Admin\AppData\Local\Temp\aed40ec23c4190ea48d89c1c8e785bfbb8eb77e0d85d254ff2a970a40caafcf3.exe
        "C:\Users\Admin\AppData\Local\Temp\aed40ec23c4190ea48d89c1c8e785bfbb8eb77e0d85d254ff2a970a40caafcf3.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 FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4464
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:4776
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:1200
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            3⤵
            • Drops file in System32 directory
            • Suspicious use of AdjustPrivilegeToken
            PID:5108

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            Admin2.txt

            • Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
            • Size 234KB
            • SHA256 a016976f197bbc82124a79b651319c7b1930912eba2e3fbeb59e32ef00605a6a
            • MD5 SHA1 SHA512 SSDEEP

            svchsot.exe

            • Path C:\Windows\SysWOW64\Windir\svchsot.exe
            • Size 277KB
            • SHA256 aed40ec23c4190ea48d89c1c8e785bfbb8eb77e0d85d254ff2a970a40caafcf3
            • MD5 SHA1 SHA512 SSDEEP

            memory/4464-151-0x0000000010560000-0x00000000105D0000-memory.dmp

            memory/4464-138-0x0000000010480000-0x00000000104F0000-memory.dmp

            memory/4464-146-0x00000000104F0000-0x0000000010560000-memory.dmp

            memory/4464-133-0x0000000010410000-0x0000000010480000-memory.dmp

            memory/4776-141-0x0000000010480000-0x00000000104F0000-memory.dmp

            memory/4776-142-0x0000000010480000-0x00000000104F0000-memory.dmp

            memory/4776-156-0x0000000010480000-0x00000000104F0000-memory.dmp

            memory/5108-154-0x0000000010560000-0x00000000105D0000-memory.dmp

            memory/5108-155-0x0000000010560000-0x00000000105D0000-memory.dmp

            memory/5108-157-0x0000000010560000-0x00000000105D0000-memory.dmp