Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 14:06

General

  • Target
    d0056937f8a8e74fdf6ae10c6c389fe79c6b3af94bc1aa01e69d9c0ee52b1820.exe
  • Size 772KB
  • Sample221106-renrxaggbn
  • SHA256 d0056937f8a8e74fdf6ae10c6c389fe79c6b3af94bc1aa01e69d9c0ee52b1820
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • 2.5

Botnet
  • N0_Lose

C2
  • fvool.gicp.net:81

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

    qul.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    ÕâÊÇÀ´×ÔÓÚN0_LoseµÄÎʺò£¡

  • message_box_title

    N0_LoseµÄÎʺò

  • password

    abcd1234

Signatures

  • CyberGate, Rebhip

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

  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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:1076
      • C:\Users\Admin\AppData\Local\Temp\d0056937f8a8e74fdf6ae10c6c389fe79c6b3af94bc1aa01e69d9c0ee52b1820.exe
        "C:\Users\Admin\AppData\Local\Temp\d0056937f8a8e74fdf6ae10c6c389fe79c6b3af94bc1aa01e69d9c0ee52b1820.exe"
        2⤵
        • Modifies Installed Components in the registry
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:3448
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:548

    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 189KB
          • SHA256 1019f48c1531e44b84f12a1e5c1d05e8a6e0adecefcf50fddb7892d25c9eff4e
          • MD5 SHA1 SHA512 SSDEEP

          qul.exe

          • Path C:\Windows\SysWOW64\install\qul.exe
          • Size 772KB
          • SHA256 d0056937f8a8e74fdf6ae10c6c389fe79c6b3af94bc1aa01e69d9c0ee52b1820
          • MD5 SHA1 SHA512 SSDEEP

          memory/548-151-0x00000000240B0000-0x00000000240F2000-memory.dmp

          memory/548-154-0x00000000240B0000-0x00000000240F2000-memory.dmp

          memory/548-153-0x00000000240B0000-0x00000000240F2000-memory.dmp

          memory/3448-142-0x0000000024060000-0x00000000240A2000-memory.dmp

          memory/3448-145-0x0000000024060000-0x00000000240A2000-memory.dmp

          memory/4560-139-0x0000000024060000-0x00000000240A2000-memory.dmp

          memory/4560-148-0x00000000240B0000-0x00000000240F2000-memory.dmp

          memory/4560-152-0x0000000000400000-0x00000000004C1000-memory.dmp

          memory/4560-132-0x0000000000400000-0x00000000004C1000-memory.dmp

          memory/4560-134-0x0000000024010000-0x0000000024052000-memory.dmp