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Analysis

  • max time kernel
    189s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 16:32

General

  • Target

    3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe

  • Size

    604KB

  • MD5

    8099575e0a1376511f1c53c14ec8ca40

  • SHA1

    11d8deae9e9d778654202cdc2ebdd379c2b9486b

  • SHA256

    3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512

  • SHA512

    67cfef441f070dbb531501e9a7172b5c028d20c643af421e625d9f88ea1f44399e17b033606e8221dfd91073c3441271d9ba6e7c346992ab2e291b171b6319a1

  • SSDEEP

    12288:PpxEjNB1TVJjhwK8lUohCvJfhE9tPLiMI+7WBHqU8/++NnqAh:vEp1Cl6Jf0PkLBDyJ

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

bw000.ddns.net:81

bw000.ddns.net:82

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Windows

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Arquivo Corrompido Pelo AntiVirus.

  • message_box_title

    Error

  • password

    123

  • regkey_hkcu

    Win32

  • regkey_hklm

    Win32

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 1 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 5 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 use of AdjustPrivilegeToken 2 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:1360
      • C:\Users\Admin\AppData\Local\Temp\3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe
        "C:\Users\Admin\AppData\Local\Temp\3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:904
        • C:\Users\Admin\AppData\Local\Temp\3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe
          "C:\Users\Admin\AppData\Local\Temp\3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1076
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:968
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1032
            • C:\Users\Admin\AppData\Local\Temp\3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe
              "C:\Users\Admin\AppData\Local\Temp\3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              PID:1068
              • C:\Windows\Windows\server.exe
                "C:\Windows\Windows\server.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:964

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

        Filesize

        229KB

        MD5

        98d2ecb6ddf46773b6b2549e42817354

        SHA1

        542bce26cc868f271ae7bc70c20b30c8082631e3

        SHA256

        eaa305886edecfe2eecfebedc40df74f83d9b74ae3df82d30df5fbb7c33b44d2

        SHA512

        e074b442c343969a12f0781952febb2feef4c7e945242f8475807eb5f3ce40dddb5a64bf798d5fde8ab3fafc1da9613b71976186f95e9a8ee2a035ee1f169b88

      • C:\Windows\Windows\server.exe

        Filesize

        604KB

        MD5

        8099575e0a1376511f1c53c14ec8ca40

        SHA1

        11d8deae9e9d778654202cdc2ebdd379c2b9486b

        SHA256

        3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512

        SHA512

        67cfef441f070dbb531501e9a7172b5c028d20c643af421e625d9f88ea1f44399e17b033606e8221dfd91073c3441271d9ba6e7c346992ab2e291b171b6319a1

      • C:\Windows\Windows\server.exe

        Filesize

        604KB

        MD5

        8099575e0a1376511f1c53c14ec8ca40

        SHA1

        11d8deae9e9d778654202cdc2ebdd379c2b9486b

        SHA256

        3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512

        SHA512

        67cfef441f070dbb531501e9a7172b5c028d20c643af421e625d9f88ea1f44399e17b033606e8221dfd91073c3441271d9ba6e7c346992ab2e291b171b6319a1

      • \Windows\Windows\server.exe

        Filesize

        604KB

        MD5

        8099575e0a1376511f1c53c14ec8ca40

        SHA1

        11d8deae9e9d778654202cdc2ebdd379c2b9486b

        SHA256

        3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512

        SHA512

        67cfef441f070dbb531501e9a7172b5c028d20c643af421e625d9f88ea1f44399e17b033606e8221dfd91073c3441271d9ba6e7c346992ab2e291b171b6319a1

      • \Windows\Windows\server.exe

        Filesize

        604KB

        MD5

        8099575e0a1376511f1c53c14ec8ca40

        SHA1

        11d8deae9e9d778654202cdc2ebdd379c2b9486b

        SHA256

        3045559be8885d85a9124cbf910bd66a23504d8bc9710a34ba3d9b3e49317512

        SHA512

        67cfef441f070dbb531501e9a7172b5c028d20c643af421e625d9f88ea1f44399e17b033606e8221dfd91073c3441271d9ba6e7c346992ab2e291b171b6319a1

      • memory/968-89-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/968-86-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/968-80-0x0000000074E41000-0x0000000074E43000-memory.dmp

        Filesize

        8KB

      • memory/1068-102-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1068-110-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1068-111-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1076-56-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-72-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1076-81-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1076-70-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-69-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-68-0x0000000075B41000-0x0000000075B43000-memory.dmp

        Filesize

        8KB

      • memory/1076-67-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-91-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1076-57-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-97-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1076-103-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-65-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-63-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-62-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-61-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-60-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1076-59-0x0000000000400000-0x0000000000492000-memory.dmp

        Filesize

        584KB

      • memory/1360-75-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB