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Analysis

  • max time kernel
    151s
  • max time network
    185s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 19:06

General

  • Target

    bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe

  • Size

    388KB

  • MD5

    453c8aebe0e03438c682d85848191234

  • SHA1

    4e5f8505ec2048df16b6af2e3494e49100846410

  • SHA256

    bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

  • SHA512

    b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

  • SSDEEP

    6144:SqqpiuxY1Q9ECpFrKHiOo6RUQcprINU9qSisajf6j2HmcAmEPDalB7eq:SqqpikrKHix6RvcpyKHajfY2HHAmo88q

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Cybergate

C2

mirzajatt.no-ip.biz:82

Mutex

8OASUK6F8L17GT

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

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 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe
    "C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe
      "C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe
        "C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe"
        3⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Suspicious use of WriteProcessMemory
        PID:1224
        • C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe
          "C:\Users\Admin\AppData\Local\Temp\bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0.exe"
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:676
          • C:\directory\CyberGate\install\server.exe
            "C:\directory\CyberGate\install\server.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            PID:1704
            • C:\directory\CyberGate\install\server.exe
              "C:\directory\CyberGate\install\server.exe"
              6⤵
              • Executes dropped EXE
              • Writes to the Master Boot Record (MBR)
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:1000
              • C:\directory\CyberGate\install\server.exe
                "C:\directory\CyberGate\install\server.exe"
                7⤵
                • Executes dropped EXE
                PID:1872
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
            PID:556

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      224KB

      MD5

      e84054dafcba9271625c1ca1516eedce

      SHA1

      8deeceef7244c3d63d694384e7b3a5916d7d6b65

      SHA256

      66161df80c7c8035b135371f0f6d698be8385ec522ee8508b3314d0f7a92f9df

      SHA512

      693e0ce5e5ba83379229ef6e0856452634907fd608de8c66e3085dcc87e784c191a634fe9b0c7f0268bff4c85274429362242884830a3d638e63f333ef803110

    • C:\directory\CyberGate\install\server.exe

      Filesize

      388KB

      MD5

      453c8aebe0e03438c682d85848191234

      SHA1

      4e5f8505ec2048df16b6af2e3494e49100846410

      SHA256

      bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

      SHA512

      b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

    • C:\directory\CyberGate\install\server.exe

      Filesize

      388KB

      MD5

      453c8aebe0e03438c682d85848191234

      SHA1

      4e5f8505ec2048df16b6af2e3494e49100846410

      SHA256

      bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

      SHA512

      b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

    • C:\directory\CyberGate\install\server.exe

      Filesize

      388KB

      MD5

      453c8aebe0e03438c682d85848191234

      SHA1

      4e5f8505ec2048df16b6af2e3494e49100846410

      SHA256

      bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

      SHA512

      b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

    • C:\directory\CyberGate\install\server.exe

      Filesize

      388KB

      MD5

      453c8aebe0e03438c682d85848191234

      SHA1

      4e5f8505ec2048df16b6af2e3494e49100846410

      SHA256

      bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

      SHA512

      b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

    • \directory\CyberGate\install\server.exe

      Filesize

      388KB

      MD5

      453c8aebe0e03438c682d85848191234

      SHA1

      4e5f8505ec2048df16b6af2e3494e49100846410

      SHA256

      bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

      SHA512

      b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

    • \directory\CyberGate\install\server.exe

      Filesize

      388KB

      MD5

      453c8aebe0e03438c682d85848191234

      SHA1

      4e5f8505ec2048df16b6af2e3494e49100846410

      SHA256

      bfc757d3ceab7e6e023fabaf94e15db336cef1172a43771c9d6ebc30d8452ec0

      SHA512

      b3e26d1e04a5e400003b707e4c9b5e71717036fde15eb40956cd3de8538ab4403677cffe1ed4968b16b5ddd8710c2fbd38d91ead7df55e8f8aaa78e1da618806

    • memory/676-107-0x0000000010480000-0x00000000104E5000-memory.dmp

      Filesize

      404KB

    • memory/676-138-0x0000000010480000-0x00000000104E5000-memory.dmp

      Filesize

      404KB

    • memory/676-97-0x0000000010480000-0x00000000104E5000-memory.dmp

      Filesize

      404KB

    • memory/676-95-0x0000000010480000-0x00000000104E5000-memory.dmp

      Filesize

      404KB

    • memory/1000-135-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1224-73-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-72-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-80-0x0000000075661000-0x0000000075663000-memory.dmp

      Filesize

      8KB

    • memory/1224-81-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-82-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-84-0x0000000010410000-0x0000000010475000-memory.dmp

      Filesize

      404KB

    • memory/1224-77-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-67-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-90-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-92-0x0000000010480000-0x00000000104E5000-memory.dmp

      Filesize

      404KB

    • memory/1224-98-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-68-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-74-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-70-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-79-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1224-71-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1396-56-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1396-75-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1396-89-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1396-62-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1396-59-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1396-57-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1872-134-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1872-136-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/1872-137-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB