Analysis

  • max time kernel
    170s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 02:31

General

  • Target

    3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.exe

  • Size

    968KB

  • MD5

    2f6c036677c948e2a9c9272450312f36

  • SHA1

    9c6366cb63bf7f81cfdf5be8a52a5c65bde1236d

  • SHA256

    3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed

  • SHA512

    0e66858912726a2838843fc60f5a2c08d09a664036a577621947cee7051279089dd62b3bafd0065f268ea19a790c02a5fb587cef6caa3af7960edabb802297ac

  • SSDEEP

    24576:StIeDsYWyebySixpypehoxMUMzaoRCq68GN0wgeXZR:S6eDjzghSaeCxMTtCn8QXZ

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

E-mail Amigo

C2

maxboy.no-ip.org:81

maxboy19.no-ip.org:200

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    explorer.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    1234567

  • 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 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 13 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 5 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 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:2712
      • C:\Users\Admin\AppData\Local\Temp\3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.exe
        "C:\Users\Admin\AppData\Local\Temp\3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.exe"
        2⤵
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4772
        • C:\Users\Admin\AppData\Local\Temp\3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.exe
          C:\Users\Admin\AppData\Local\Temp\3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.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:5104
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:2436
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:4720
            • C:\Users\Admin\AppData\Local\Temp\3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.exe
              "C:\Users\Admin\AppData\Local\Temp\3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1732
              • C:\Windows\SysWOW64\install\explorer.exe
                "C:\Windows\system32\install\explorer.exe"
                5⤵
                • Executes dropped EXE
                • Identifies Wine through registry keys
                • Drops file in System32 directory
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:3508
                • C:\Windows\SysWOW64\install\explorer.exe
                  C:\Windows\SysWOW64\install\explorer.exe
                  6⤵
                  • Executes dropped EXE
                  PID:944

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Virtualization/Sandbox Evasion

      1
      T1497

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      2
      T1082

      Virtualization/Sandbox Evasion

      1
      T1497

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        229KB

        MD5

        145eb403e31f0b15b077172bbdc5c575

        SHA1

        72132ad24fa6d1bec07cc1cb9efd2d3b0779dd33

        SHA256

        f1c67e9f2b56d9a6ab4ab893e4e0797d9d8a67fe31c2e1be97fcda1f7af1e7e1

        SHA512

        f57d7c8887230887030bebe58d36da92c43237e41bcc00e0563f9790d2c1f1863c5baa5103ea9b66d07c967b2fa0cb28b4ec58222fd300a3d834eb75de3d345d

      • C:\Windows\SysWOW64\install\explorer.exe
        Filesize

        968KB

        MD5

        2f6c036677c948e2a9c9272450312f36

        SHA1

        9c6366cb63bf7f81cfdf5be8a52a5c65bde1236d

        SHA256

        3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed

        SHA512

        0e66858912726a2838843fc60f5a2c08d09a664036a577621947cee7051279089dd62b3bafd0065f268ea19a790c02a5fb587cef6caa3af7960edabb802297ac

      • C:\Windows\SysWOW64\install\explorer.exe
        Filesize

        968KB

        MD5

        2f6c036677c948e2a9c9272450312f36

        SHA1

        9c6366cb63bf7f81cfdf5be8a52a5c65bde1236d

        SHA256

        3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed

        SHA512

        0e66858912726a2838843fc60f5a2c08d09a664036a577621947cee7051279089dd62b3bafd0065f268ea19a790c02a5fb587cef6caa3af7960edabb802297ac

      • C:\Windows\SysWOW64\install\explorer.exe
        Filesize

        968KB

        MD5

        2f6c036677c948e2a9c9272450312f36

        SHA1

        9c6366cb63bf7f81cfdf5be8a52a5c65bde1236d

        SHA256

        3e4c52f880d3e6e2a764dc93b40ea34cd591c94c6d90d60aa991cb32023d95ed

        SHA512

        0e66858912726a2838843fc60f5a2c08d09a664036a577621947cee7051279089dd62b3bafd0065f268ea19a790c02a5fb587cef6caa3af7960edabb802297ac

      • memory/944-183-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/944-176-0x0000000000000000-mapping.dmp
      • memory/944-180-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/944-184-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/1732-185-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/1732-169-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1732-168-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/1732-166-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1732-186-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1732-162-0x0000000000000000-mapping.dmp
      • memory/2436-149-0x0000000000000000-mapping.dmp
      • memory/2436-156-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/2436-153-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/3508-181-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/3508-182-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/3508-175-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/3508-170-0x0000000000000000-mapping.dmp
      • memory/3508-172-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/4772-140-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/4772-133-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/4772-142-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/4772-136-0x0000000000400000-0x00000000005C4000-memory.dmp
        Filesize

        1.8MB

      • memory/5104-145-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/5104-167-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/5104-163-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/5104-158-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/5104-150-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/5104-143-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/5104-141-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/5104-139-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/5104-138-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/5104-137-0x0000000000000000-mapping.dmp