Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 03:45

General

  • Target
    e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
  • Size 504KB
  • Sample221021-ebf7faafcp
  • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • v1.07.5

Botnet
  • fric

C2
  • satanisther.sytes.net:23567

Mutex
  • AY647S0E3B1G77

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    60

  • injected_process

    explorer.exe

  • install_dir

    MSwinlogonl

  • install_file

    winlogonl.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    dll not found.

  • message_box_title

    error

  • password

    titan

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 6 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
    "C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
      C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:4820
        • C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
          "C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe"
          3⤵
          • Checks computer location settings
          • Drops file in Windows directory
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          PID:4492
          • C:\Windows\MSwinlogonl\winlogonl.exe
            "C:\Windows\MSwinlogonl\winlogonl.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            PID:3804
            • C:\Windows\MSwinlogonl\winlogonl.exe
              C:\Windows\MSwinlogonl\winlogonl.exe
              5⤵
              • Executes dropped EXE
              PID:4116
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 548
                6⤵
                • Program crash
                PID:2980
            • C:\Windows\MSwinlogonl\winlogonl.exe
              C:\Windows\MSwinlogonl\winlogonl.exe
              5⤵
              • Executes dropped EXE
              PID:4348
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 80
                6⤵
                • Program crash
                PID:3484
        • C:\Windows\MSwinlogonl\winlogonl.exe
          "C:\Windows\MSwinlogonl\winlogonl.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          PID:3260
          • C:\Windows\MSwinlogonl\winlogonl.exe
            C:\Windows\MSwinlogonl\winlogonl.exe
            4⤵
            • Executes dropped EXE
            PID:4620
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 548
              5⤵
              • Program crash
              PID:3724
          • C:\Windows\MSwinlogonl\winlogonl.exe
            C:\Windows\MSwinlogonl\winlogonl.exe
            4⤵
            • Executes dropped EXE
            PID:1308
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 80
              5⤵
              • Program crash
              PID:3700
      • C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
        C:\Users\Admin\AppData\Local\Temp\e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26.exe
        2⤵
          PID:3472
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 80
            3⤵
            • Program crash
            PID:3196
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3472 -ip 3472
        1⤵
          PID:1448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1308 -ip 1308
          1⤵
            PID:3944
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4620 -ip 4620
            1⤵
              PID:3916
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4116 -ip 4116
              1⤵
                PID:2064
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4348 -ip 4348
                1⤵
                  PID:4384

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      Admin2.txt

                      • Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
                      • Size 224KB
                      • SHA256 36fed97f38d7a9697e2850c6156b58fd11da68bbd9cdd1a826f595ba6661cdf6
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      winlogonl.exe

                      • Path C:\Windows\MSwinlogonl\winlogonl.exe
                      • Size 504KB
                      • SHA256 e28ccd0b147758c2bd0efe102c75b085b66fa3094c8125dda179b1ede7c68e26
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/4116-177-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4116-179-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4492-149-0x0000000010480000-0x00000000104E5000-memory.dmp

                      memory/4492-152-0x0000000010480000-0x00000000104E5000-memory.dmp

                      memory/4492-180-0x0000000010480000-0x00000000104E5000-memory.dmp

                      memory/4620-168-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4620-169-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4620-178-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4972-155-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4972-146-0x0000000010480000-0x00000000104E5000-memory.dmp

                      memory/4972-141-0x0000000010410000-0x0000000010475000-memory.dmp

                      memory/4972-139-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4972-138-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4972-135-0x0000000000400000-0x000000000044F000-memory.dmp

                      memory/4972-136-0x0000000000400000-0x000000000044F000-memory.dmp