Analysis

  • max time kernel
    150s
  • max time network
    65s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/11/2022, 23:44

General

  • Target

    f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe

  • Size

    580KB

  • MD5

    971c4c84191b0c4d3ac01100750e97c7

  • SHA1

    9049eaeb5416fcfb149720710cea57609ab1f747

  • SHA256

    f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346

  • SHA512

    1024aab471e38123567fe610582ed284e64a08e484b97a840711aa3998c0c66d7faa2ed62a4a2aa057fd44b38783abf2ca8c489503dfc63c52b645dc6d753d4f

  • SSDEEP

    6144:SbTrLCM/Y6RJDSgNMflBb8eAJXBECU/KDrgKtAiuMMyUe04PCviWOcRzBZcrrwLt:qDNAflrgRZUiDrzXDlqWSz3UwHS6Acv

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

dima85

C2

hack-777.no-ip.org:81

Mutex

438VCQU0454SH6

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

    zzz42179

  • 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
  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe
        "C:\Users\Admin\AppData\Local\Temp\f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1292
        • C:\Users\Admin\AppData\Local\Temp\f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe
          "C:\Users\Admin\AppData\Local\Temp\f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe"
          3⤵
          • 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 behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1288
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1732
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1492
            • C:\Users\Admin\AppData\Local\Temp\f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe
              "C:\Users\Admin\AppData\Local\Temp\f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2000
              • C:\Windows\SysWOW64\install\server.exe
                "C:\Windows\system32\install\server.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1160
                • C:\Windows\SysWOW64\install\server.exe
                  "C:\Windows\SysWOW64\install\server.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:984

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        224KB

        MD5

        43de1a154c10a16e9c8f3f13de7ee4a1

        SHA1

        343b33a208dbdf90dba10663bfd1b39a6d45cc63

        SHA256

        04cc20663be9609ed8ec8a4baf29804eca26708913b8c09cc5b0ee1eed4ef7c5

        SHA512

        bfd5aebea2c9d433cb0081ab25ddda29e2a78db834db4f64a3c5593b77ea33bde42d9a69d2f0e96fc62364a706742cb84baef3b140b0c52af2816db11d36f0e4

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        580KB

        MD5

        971c4c84191b0c4d3ac01100750e97c7

        SHA1

        9049eaeb5416fcfb149720710cea57609ab1f747

        SHA256

        f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346

        SHA512

        1024aab471e38123567fe610582ed284e64a08e484b97a840711aa3998c0c66d7faa2ed62a4a2aa057fd44b38783abf2ca8c489503dfc63c52b645dc6d753d4f

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        580KB

        MD5

        971c4c84191b0c4d3ac01100750e97c7

        SHA1

        9049eaeb5416fcfb149720710cea57609ab1f747

        SHA256

        f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346

        SHA512

        1024aab471e38123567fe610582ed284e64a08e484b97a840711aa3998c0c66d7faa2ed62a4a2aa057fd44b38783abf2ca8c489503dfc63c52b645dc6d753d4f

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        580KB

        MD5

        971c4c84191b0c4d3ac01100750e97c7

        SHA1

        9049eaeb5416fcfb149720710cea57609ab1f747

        SHA256

        f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346

        SHA512

        1024aab471e38123567fe610582ed284e64a08e484b97a840711aa3998c0c66d7faa2ed62a4a2aa057fd44b38783abf2ca8c489503dfc63c52b645dc6d753d4f

      • \Windows\SysWOW64\install\server.exe

        Filesize

        580KB

        MD5

        971c4c84191b0c4d3ac01100750e97c7

        SHA1

        9049eaeb5416fcfb149720710cea57609ab1f747

        SHA256

        f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346

        SHA512

        1024aab471e38123567fe610582ed284e64a08e484b97a840711aa3998c0c66d7faa2ed62a4a2aa057fd44b38783abf2ca8c489503dfc63c52b645dc6d753d4f

      • \Windows\SysWOW64\install\server.exe

        Filesize

        580KB

        MD5

        971c4c84191b0c4d3ac01100750e97c7

        SHA1

        9049eaeb5416fcfb149720710cea57609ab1f747

        SHA256

        f0f21599b2503c16c9af56fa3adb3f924196578a966830a4e4845644a8ea5346

        SHA512

        1024aab471e38123567fe610582ed284e64a08e484b97a840711aa3998c0c66d7faa2ed62a4a2aa057fd44b38783abf2ca8c489503dfc63c52b645dc6d753d4f

      • memory/984-125-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/984-126-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/984-127-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1200-75-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/1288-65-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-91-0x00000000104F0000-0x0000000010555000-memory.dmp

        Filesize

        404KB

      • memory/1288-69-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-68-0x00000000762E1000-0x00000000762E3000-memory.dmp

        Filesize

        8KB

      • memory/1288-67-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-81-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/1288-56-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-72-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/1288-70-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-63-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-62-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-97-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1288-103-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-59-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-60-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-61-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1288-57-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1732-86-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/1732-89-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/1732-80-0x0000000075251000-0x0000000075253000-memory.dmp

        Filesize

        8KB

      • memory/2000-104-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/2000-102-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/2000-128-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB