Analysis

  • max time kernel
    192s
  • max time network
    216s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 19:18

General

  • Target
    36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148.exe
  • Size 599KB
  • Sample221029-xzz9bsbfa5
  • SHA256 36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • 2.6

Botnet
  • INFECT

C2
  • piratadanet.no-ip.org:2000

Mutex
  • ***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    msnmsgr.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Arquivo Danificado.

  • message_box_title

    Error

  • password

    abcd1234

  • regkey_hkcu

    InCD

  • regkey_hklm

    InCD

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 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • AutoIT Executable 3 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.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:2220
      • C:\Users\Admin\AppData\Local\Temp\36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148.exe
        "C:\Users\Admin\AppData\Local\Temp\36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4412
        • C:\Users\Admin\AppData\Local\Temp\36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148.exe
          "C:\Users\Admin\AppData\Local\Temp\36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148.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 behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4808
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1376
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4996
            • C:\Windows\SysWOW64\install\msnmsgr.exe
              "C:\Windows\system32\install\msnmsgr.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:4916
              • C:\Windows\SysWOW64\install\msnmsgr.exe
                "C:\Windows\SysWOW64\install\msnmsgr.exe"
                6⤵
                • Executes dropped EXE
                PID:1892
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 564
                  7⤵
                  • Program crash
                  PID:2924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1892 -ip 1892
      1⤵
        PID:3884

      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 100a54a8ca063b133b231824eb029a0d91e30aabf2ca0e0f1a8eec460a15b98a
            • MD5 SHA1 SHA512 SSDEEP

            msnmsgr.exe

            • Path C:\Windows\SysWOW64\install\msnmsgr.exe
            • Size 599KB
            • SHA256 36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148
            • MD5 SHA1 SHA512 SSDEEP

            msnmsgr.exe

            • Path C:\Windows\SysWOW64\install\msnmsgr.exe
            • Size 599KB
            • SHA256 36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148
            • MD5 SHA1 SHA512 SSDEEP

            msnmsgr.exe

            • Path C:\Windows\SysWOW64\install\msnmsgr.exe
            • Size 599KB
            • SHA256 36c394cb461659649bc75d6c63807262190e3b08b9bc012871e71c872a79c148
            • MD5 SHA1 SHA512 SSDEEP

            memory/1376-149-0x0000000024080000-0x00000000240E2000-memory.dmp

            memory/1376-152-0x0000000024080000-0x00000000240E2000-memory.dmp

            memory/1892-169-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/1892-171-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/1892-170-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/4412-132-0x0000000000400000-0x00000000004C9000-memory.dmp

            memory/4412-137-0x0000000000400000-0x00000000004C9000-memory.dmp

            memory/4808-139-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/4808-146-0x0000000024080000-0x00000000240E2000-memory.dmp

            memory/4808-155-0x00000000240F0000-0x0000000024152000-memory.dmp

            memory/4808-159-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/4808-141-0x0000000024010000-0x0000000024072000-memory.dmp

            memory/4808-138-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/4808-136-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/4808-134-0x0000000000400000-0x0000000000457000-memory.dmp

            memory/4916-162-0x0000000000400000-0x00000000004C9000-memory.dmp

            memory/4916-168-0x0000000000400000-0x00000000004C9000-memory.dmp

            memory/4996-163-0x00000000240F0000-0x0000000024152000-memory.dmp

            memory/4996-158-0x00000000240F0000-0x0000000024152000-memory.dmp

            memory/4996-172-0x00000000240F0000-0x0000000024152000-memory.dmp