Analysis

  • max time kernel
    151s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 02:58

General

  • Target
    5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe
  • Size 1.1MB
  • Sample221124-df88caga71
  • SHA256 5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • 2.6

Botnet
  • SegundaFeira@@

C2
  • virtualnet2484.ddns.net:2008

Mutex
  • ***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svshost.exe

  • install_dir

    Microsoft Word

  • install_file

    svshost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

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 1 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 4 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 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1216
      • C:\Users\Admin\AppData\Local\Temp\5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe
        "C:\Users\Admin\AppData\Local\Temp\5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Users\Admin\AppData\Local\Temp\5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe
          "C:\Users\Admin\AppData\Local\Temp\5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1512
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1392
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1712
            • C:\Users\Admin\AppData\Local\Temp\5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe
              "C:\Users\Admin\AppData\Local\Temp\5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:472
              • C:\Windows\SysWOW64\Microsoft Word\svshost.exe
                "C:\Windows\system32\Microsoft Word\svshost.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1632
                • C:\Windows\SysWOW64\Microsoft Word\svshost.exe
                  "C:\Windows\SysWOW64\Microsoft Word\svshost.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:1780

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            XX--XX--XX.txt

            • Path C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
            • Size 229KB
            • SHA256 327ddca8a795159329a8f66b04b3083cf9d8757aea19c353367e6c1d2f329e3c
            • MD5 SHA1 SHA512 SSDEEP

            svshost.exe

            • Path C:\Windows\SysWOW64\Microsoft Word\svshost.exe
            • Size 1.1MB
            • SHA256 5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09
            • MD5 SHA1 SHA512 SSDEEP

            svshost.exe

            • Path C:\Windows\SysWOW64\Microsoft Word\svshost.exe
            • Size 1.1MB
            • SHA256 5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09
            • MD5 SHA1 SHA512 SSDEEP

            svshost.exe

            • Path C:\Windows\SysWOW64\Microsoft Word\svshost.exe
            • Size 1.1MB
            • SHA256 5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09
            • MD5 SHA1 SHA512 SSDEEP

            svshost.exe

            • Path \Windows\SysWOW64\Microsoft Word\svshost.exe
            • Size 1.1MB
            • SHA256 5e227cc4b6f01efa5ea144c0e816fa1ffa5182f24c005f2d310514a232cc1b09
            • MD5 SHA1 SHA512 SSDEEP

            memory/472-108-0x0000000024160000-0x00000000241C2000-memory.dmp

            memory/472-103-0x0000000024160000-0x00000000241C2000-memory.dmp

            memory/472-101-0x0000000024160000-0x00000000241C2000-memory.dmp

            memory/548-54-0x0000000076171000-0x0000000076173000-memory.dmp

            memory/1216-74-0x0000000024010000-0x0000000024072000-memory.dmp

            memory/1392-85-0x0000000024080000-0x00000000240E2000-memory.dmp

            memory/1392-88-0x0000000024080000-0x00000000240E2000-memory.dmp

            memory/1392-79-0x00000000751C1000-0x00000000751C3000-memory.dmp

            memory/1512-96-0x0000000024160000-0x00000000241C2000-memory.dmp

            memory/1512-61-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-80-0x0000000024080000-0x00000000240E2000-memory.dmp

            memory/1512-66-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-64-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-71-0x0000000024010000-0x0000000024072000-memory.dmp

            memory/1512-90-0x00000000240F0000-0x0000000024152000-memory.dmp

            memory/1512-62-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-69-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-102-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-68-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-60-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-59-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-55-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-58-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1512-56-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1780-123-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1780-124-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/1780-125-0x0000000000400000-0x0000000000450000-memory.dmp