Analysis

  • max time kernel
    149s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 07:34

General

  • Target

    e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe

  • Size

    1.5MB

  • MD5

    3f78d6f43146ed45f14ce8834468c5f0

  • SHA1

    f76ee4856301c54d0a47a77570ca3ad344c3dada

  • SHA256

    e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5

  • SHA512

    0fa8e169ce4fe935300c575a451ec6bbc98d56045f36d2a5426ce29c998c76470831f05215f437ef3de92c1afa67b1bfad331f0a85b17b90f07c842f2e17fb39

  • SSDEEP

    24576:8xMq0R9RYSelkG1IORAHRXlXHMSCGv+UX4+btlvrimK:RxR9RYNloHRXlcOvfxbtlDim

Malware Config

Extracted

Family

cybergate

Version

v1.11.0 - Public Version

Botnet

1

C2

justme.dyndns-server.com:998

Mutex

4860IWIX3LYF24

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    firefox

  • install_file

    firefox.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    2

  • 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 8 IoCs

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

  • Drops startup file 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2696
      • C:\Users\Admin\AppData\Local\Temp\e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe
        "C:\Users\Admin\AppData\Local\Temp\e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1344
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2524
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:2420
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Drops startup file
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:360

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\firefox\firefox.exe

      Filesize

      1.1MB

      MD5

      d881de17aa8f2e2c08cbb7b265f928f9

      SHA1

      08936aebc87decf0af6e8eada191062b5e65ac2a

      SHA256

      b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

      SHA512

      5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

    • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

      Filesize

      238KB

      MD5

      684fd57f87bf17971965d5f3cfaf46cb

      SHA1

      9c01d71d980d0a921e5a121b5dfb4bc25e0173d6

      SHA256

      138d2ef003bf4c2b9437cfd492c8011b713ecf0e56fafd2df58fa5b35fd401b9

      SHA512

      622967477b01ae327d062cc46b2ec17b325aef559d1e82263df644f5838c720a456f34894b3688a5bce9e0df9ebf5da8d81663fd2279be20b921ea8adcea2662

    • memory/360-160-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/360-158-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/360-157-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/1344-132-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/1344-137-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2420-148-0x0000000010490000-0x0000000010502000-memory.dmp

      Filesize

      456KB

    • memory/2420-151-0x0000000010490000-0x0000000010502000-memory.dmp

      Filesize

      456KB

    • memory/2524-145-0x0000000010490000-0x0000000010502000-memory.dmp

      Filesize

      456KB

    • memory/2524-140-0x0000000010410000-0x0000000010482000-memory.dmp

      Filesize

      456KB

    • memory/2524-138-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2524-136-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2524-154-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/2524-135-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2524-134-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2524-159-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB