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Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 14:10

General

  • Target

    89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.exe

  • Size

    448KB

  • MD5

    632b7b0eae2f335fa0e303e7574318e2

  • SHA1

    22ba636c019ee376a7c40b8077ab2100b9931465

  • SHA256

    89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a

  • SHA512

    8eb5ff03416610841b63e66c2e1574b2a111ef27d18d710b8b47b6651581e789a083ef081dd9f6d3338fde9936b91e70f1fd4f73fd0619c615bcdf4684850918

  • SSDEEP

    12288:+ViAV0I8n+ql7rtkyr3naDKKr8lVlq2jl:hI8+k7riDSPlq2j

Malware Config

Extracted

Family

cybergate

Version

v2.1.0

Botnet

FiX

C2

jjleo.no-ip.biz:8220

Mutex

4Y853V6X16WU4N

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    services.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

    jntdkb820

  • 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.

  • Drops startup file 3 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2664
      • C:\Users\Admin\AppData\Local\Temp\89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.exe
        "C:\Users\Admin\AppData\Local\Temp\89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:536
        • C:\Users\Admin\AppData\Local\Temp\89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.exe
          C:\Users\Admin\AppData\Local\Temp\89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.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:2720
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1424
          • C:\Users\Admin\AppData\Local\Temp\89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.exe
            "C:\Users\Admin\AppData\Local\Temp\89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a.exe"
            4⤵
            • Drops startup file
            • Suspicious use of AdjustPrivilegeToken
            PID:1064

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files\Microsoft Games\install\server.exe

      Filesize

      448KB

      MD5

      632b7b0eae2f335fa0e303e7574318e2

      SHA1

      22ba636c019ee376a7c40b8077ab2100b9931465

      SHA256

      89778ce0244a2c98093577bbc90461f9fcf6b18cd3b932c9b49c174a452e678a

      SHA512

      8eb5ff03416610841b63e66c2e1574b2a111ef27d18d710b8b47b6651581e789a083ef081dd9f6d3338fde9936b91e70f1fd4f73fd0619c615bcdf4684850918

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

      Filesize

      237KB

      MD5

      34c4010e79639dd27609576a9fa8a87a

      SHA1

      6371148baf256d21d1e3d396e1262023477c5fb5

      SHA256

      8c4ec5e93ff18fc807459f2031cb6da2605c1efacabca4fc1b1cb849e56385c6

      SHA512

      676f58227736570abeddac84580045ea62e7d82753e7b6bd68a98f8a50446006107ed62a110f5405d6c64d8623d7ac3f4b7a20673f03232aa26a722fc90dbff0

    • memory/1064-165-0x0000000010510000-0x0000000010584000-memory.dmp

      Filesize

      464KB

    • memory/1064-162-0x0000000010510000-0x0000000010584000-memory.dmp

      Filesize

      464KB

    • memory/1064-161-0x0000000010510000-0x0000000010584000-memory.dmp

      Filesize

      464KB

    • memory/1424-151-0x0000000010490000-0x0000000010504000-memory.dmp

      Filesize

      464KB

    • memory/1424-164-0x0000000010490000-0x0000000010504000-memory.dmp

      Filesize

      464KB

    • memory/1424-148-0x0000000010490000-0x0000000010504000-memory.dmp

      Filesize

      464KB

    • memory/2720-138-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB

    • memory/2720-140-0x0000000010410000-0x0000000010484000-memory.dmp

      Filesize

      464KB

    • memory/2720-155-0x0000000002190000-0x0000000002204000-memory.dmp

      Filesize

      464KB

    • memory/2720-145-0x0000000010490000-0x0000000010504000-memory.dmp

      Filesize

      464KB

    • memory/2720-158-0x0000000010510000-0x0000000010584000-memory.dmp

      Filesize

      464KB

    • memory/2720-137-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB

    • memory/2720-135-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB

    • memory/2720-163-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB

    • memory/2720-136-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB