Analysis

  • max time kernel
    152s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2022, 08:02

General

  • Target

    2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.exe

  • Size

    904KB

  • MD5

    49dceb9bc4f10b3492d28554a6cc747f

  • SHA1

    0052331ebaf4abc2373597faadd0e4818f3606af

  • SHA256

    2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe

  • SHA512

    e1cb037eccbb09b8a6b5bf9d1d578d5b06f3911e5f3e05c539d7da8e1e063443d252ba8ece2ae4265d9e7dae532fffcc6632c60d611dd5172f2b75bc3fb8aad5

  • SSDEEP

    24576:cwQNiyIakELjXn8d26JcJDY3udp/RrhvoMZGf2:clML8Ty26JcJsEvV/Gf2

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Server

C2

adsll.no-ip.org:81

ncn.dyndns.tv:82

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Installer

  • install_file

    taskmgr.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • 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 8 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 NtSetInformationThreadHideFromDebugger 1 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1232
      • C:\Users\Admin\AppData\Local\Temp\2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.exe
        "C:\Users\Admin\AppData\Local\Temp\2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Users\Admin\AppData\Local\Temp\2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.EXE
          "C:\Users\Admin\AppData\Local\Temp\2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.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 use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:916
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1752
          • C:\Users\Admin\AppData\Local\Temp\2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.EXE
            "C:\Users\Admin\AppData\Local\Temp\2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe.EXE"
            4⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1052
            • C:\Windows\SysWOW64\Installer\taskmgr.exe
              "C:\Windows\system32\Installer\taskmgr.exe"
              5⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:1012
              • C:\Windows\SysWOW64\Installer\taskmgr.EXE
                "C:\Windows\SysWOW64\Installer\taskmgr.EXE"
                6⤵
                • Executes dropped EXE
                PID:1740

    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

            033df6795e279c527784717204112afe

            SHA1

            db981763475890e8f5f21ae72be7e4c20384ac86

            SHA256

            6938dd59f79bc92bcf3e8643e83e354c31e35547f19e826d0af72637cdd8ee5d

            SHA512

            a5a82c0713899aa9dd7346c77d6dcaaef42377e410ddaa95ddde81144e3fdeee9db316bd4b1147e0c26d9e8b25cf7e9c1093f28d9ee5c083a68d0ec4b3724d50

          • C:\Windows\SysWOW64\Installer\taskmgr.exe

            Filesize

            904KB

            MD5

            49dceb9bc4f10b3492d28554a6cc747f

            SHA1

            0052331ebaf4abc2373597faadd0e4818f3606af

            SHA256

            2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe

            SHA512

            e1cb037eccbb09b8a6b5bf9d1d578d5b06f3911e5f3e05c539d7da8e1e063443d252ba8ece2ae4265d9e7dae532fffcc6632c60d611dd5172f2b75bc3fb8aad5

          • C:\Windows\SysWOW64\Installer\taskmgr.exe

            Filesize

            904KB

            MD5

            49dceb9bc4f10b3492d28554a6cc747f

            SHA1

            0052331ebaf4abc2373597faadd0e4818f3606af

            SHA256

            2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe

            SHA512

            e1cb037eccbb09b8a6b5bf9d1d578d5b06f3911e5f3e05c539d7da8e1e063443d252ba8ece2ae4265d9e7dae532fffcc6632c60d611dd5172f2b75bc3fb8aad5

          • C:\Windows\SysWOW64\Installer\taskmgr.exe

            Filesize

            904KB

            MD5

            49dceb9bc4f10b3492d28554a6cc747f

            SHA1

            0052331ebaf4abc2373597faadd0e4818f3606af

            SHA256

            2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe

            SHA512

            e1cb037eccbb09b8a6b5bf9d1d578d5b06f3911e5f3e05c539d7da8e1e063443d252ba8ece2ae4265d9e7dae532fffcc6632c60d611dd5172f2b75bc3fb8aad5

          • \??\c:\users\admin\appdata\local\temp\EF67EAF9

            Filesize

            14B

            MD5

            2589ff665bc52e79071ff0f5688bc553

            SHA1

            d3411b3103044bf36ca303a703153d675e62edc0

            SHA256

            d4351692cd166f4af4f73e76b895a6aedb096ddbac0cf80835bd16da4039a314

            SHA512

            41693f1b24d9e4aa09a920ccd910d70e24e14665c3d1127c0dbb345d25ac3b96d2164437555f2b66151d0c7ce2873c61898d173c65135bdff9e813223d9b0fec

          • \Windows\SysWOW64\Installer\taskmgr.exe

            Filesize

            904KB

            MD5

            49dceb9bc4f10b3492d28554a6cc747f

            SHA1

            0052331ebaf4abc2373597faadd0e4818f3606af

            SHA256

            2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe

            SHA512

            e1cb037eccbb09b8a6b5bf9d1d578d5b06f3911e5f3e05c539d7da8e1e063443d252ba8ece2ae4265d9e7dae532fffcc6632c60d611dd5172f2b75bc3fb8aad5

          • \Windows\SysWOW64\Installer\taskmgr.exe

            Filesize

            904KB

            MD5

            49dceb9bc4f10b3492d28554a6cc747f

            SHA1

            0052331ebaf4abc2373597faadd0e4818f3606af

            SHA256

            2e5b2cf7c8a4907cb364c686b07ef31d7c3458e20ed7c700e08d503d3c41a8fe

            SHA512

            e1cb037eccbb09b8a6b5bf9d1d578d5b06f3911e5f3e05c539d7da8e1e063443d252ba8ece2ae4265d9e7dae532fffcc6632c60d611dd5172f2b75bc3fb8aad5

          • memory/916-92-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/916-65-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/916-63-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/916-62-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/916-74-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/916-86-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/916-59-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/916-57-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/1012-107-0x0000000000400000-0x00000000007A5000-memory.dmp

            Filesize

            3.6MB

          • memory/1052-91-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/1052-93-0x0000000000400000-0x00000000007A5000-memory.dmp

            Filesize

            3.6MB

          • memory/1052-113-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/1052-110-0x0000000007000000-0x00000000073A5000-memory.dmp

            Filesize

            3.6MB

          • memory/1052-94-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/1232-68-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/1264-54-0x0000000076711000-0x0000000076713000-memory.dmp

            Filesize

            8KB

          • memory/1264-60-0x0000000000400000-0x00000000007A5000-memory.dmp

            Filesize

            3.6MB

          • memory/1740-109-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/1740-111-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/1740-112-0x0000000000400000-0x0000000000450000-memory.dmp

            Filesize

            320KB

          • memory/1752-73-0x0000000075331000-0x0000000075333000-memory.dmp

            Filesize

            8KB

          • memory/1752-79-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/1752-82-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB