Analysis

  • max time kernel
    157s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 08:05

General

  • Target
    842313aedbc2fb9ae9aaa1e41d9e32c11ab2a3196eec3c188d52c382becc29d9.exe
  • Size 695KB
  • Sample221130-jzbdbabh87
  • SHA256 842313aedbc2fb9ae9aaa1e41d9e32c11ab2a3196eec3c188d52c382becc29d9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • v1.04.8

Botnet
  • remote

C2
  • rockstarrr.no-ip.org:3014

Mutex
  • 1GL2I4EXWXL2H7

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    svchost.exe

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    hundekuchen

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Detect Neshta payload 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 5 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 3 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 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 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:2824
      • C:\Users\Admin\AppData\Local\Temp\842313aedbc2fb9ae9aaa1e41d9e32c11ab2a3196eec3c188d52c382becc29d9.exe
        "C:\Users\Admin\AppData\Local\Temp\842313aedbc2fb9ae9aaa1e41d9e32c11ab2a3196eec3c188d52c382becc29d9.exe"
        2⤵
        • Checks computer location settings
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:5104
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          "C:\Users\Admin\AppData\Local\Temp\server.exe"
          3⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • 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:4472
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4692
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2112
            • C:\Users\Admin\AppData\Local\Temp\server.exe
              "C:\Users\Admin\AppData\Local\Temp\server.exe"
              4⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1880
              • C:\Windows\SysWOW64\LOIC.exe
                "C:\Windows\system32\LOIC.exe"
                5⤵
                • Modifies system executable filetype association
                • Executes dropped EXE
                • Checks computer location settings
                • Drops file in Program Files directory
                • Drops file in Windows directory
                • Modifies registry class
                PID:3784
                • C:\Users\Admin\AppData\Local\Temp\3582-490\LOIC.exe
                  "C:\Users\Admin\AppData\Local\Temp\3582-490\LOIC.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2864
              • C:\Users\Admin\AppData\Roaming\svchost.exe\server.exe
                "C:\Users\Admin\AppData\Roaming\svchost.exe\server.exe"
                5⤵
                • Executes dropped EXE
                PID:1948
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 564
                  6⤵
                  • Program crash
                  PID:4628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1948 -ip 1948
        1⤵
          PID:1968

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              LOIC.exe

              • Path C:\Users\Admin\AppData\Local\Temp\3582-490\LOIC.exe
              • Size 132KB
              • SHA256 1b26fcf0da549a47dceefb4e99fd520d63dec3a7cd539d3edcf1d7c1d4a95fd5
              • MD5 SHA1 SHA512 SSDEEP

              LOIC.exe

              • Path C:\Users\Admin\AppData\Local\Temp\3582-490\LOIC.exe
              • Size 132KB
              • SHA256 1b26fcf0da549a47dceefb4e99fd520d63dec3a7cd539d3edcf1d7c1d4a95fd5
              • MD5 SHA1 SHA512 SSDEEP

              XX--XX--XX.txt

              • Path C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
              • Size 394KB
              • SHA256 b37a6364bb851a57156de9c4482d638c7a38fb56fcd4807360884e285a1f6978
              • MD5 SHA1 SHA512 SSDEEP

              server.exe

              • Path C:\Users\Admin\AppData\Local\Temp\server.exe
              • Size 461KB
              • SHA256 770ddffd464e6a5ea091ddf3e92766f571ff17dee40b29ab8c20ad84b9dcc8f4
              • MD5 SHA1 SHA512 SSDEEP

              server.exe

              • Path C:\Users\Admin\AppData\Local\Temp\server.exe
              • Size 461KB
              • SHA256 770ddffd464e6a5ea091ddf3e92766f571ff17dee40b29ab8c20ad84b9dcc8f4
              • MD5 SHA1 SHA512 SSDEEP

              server.exe

              • Path C:\Users\Admin\AppData\Local\Temp\server.exe
              • Size 461KB
              • SHA256 770ddffd464e6a5ea091ddf3e92766f571ff17dee40b29ab8c20ad84b9dcc8f4
              • MD5 SHA1 SHA512 SSDEEP

              server.exe

              • Path C:\Users\Admin\AppData\Roaming\svchost.exe\server.exe
              • Size 461KB
              • SHA256 770ddffd464e6a5ea091ddf3e92766f571ff17dee40b29ab8c20ad84b9dcc8f4
              • MD5 SHA1 SHA512 SSDEEP

              server.exe

              • Path C:\Users\Admin\AppData\Roaming\svchost.exe\server.exe
              • Size 461KB
              • SHA256 770ddffd464e6a5ea091ddf3e92766f571ff17dee40b29ab8c20ad84b9dcc8f4
              • MD5 SHA1 SHA512 SSDEEP

              server.exe

              • Path C:\Users\Admin\AppData\Roaming\svchost.exe\server.exe
              • Size 502KB
              • SHA256 59aade50defda2460a505b84e58bdfcaeb06efcb25cb38a1536e0f0b6581cdf4
              • MD5 SHA1 SHA512 SSDEEP

              LOIC.exe

              • Path C:\Windows\SysWOW64\LOIC.exe
              • Size 172KB
              • SHA256 3a175e3ad1abc6c8261d41dde9c69d2c31044d47ca474753618530d0ab09bb8c
              • MD5 SHA1 SHA512 SSDEEP

              LOIC.exe

              • Path C:\Windows\SysWOW64\LOIC.exe
              • Size 172KB
              • SHA256 3a175e3ad1abc6c8261d41dde9c69d2c31044d47ca474753618530d0ab09bb8c
              • MD5 SHA1 SHA512 SSDEEP

              memory/1880-160-0x0000000010560000-0x00000000105C1000-memory.dmp

              memory/1880-172-0x0000000010560000-0x00000000105C1000-memory.dmp

              memory/1880-166-0x0000000010560000-0x00000000105C1000-memory.dmp

              memory/2864-170-0x0000000000390000-0x00000000003B6000-memory.dmp

              memory/2864-173-0x00007FFAB7040000-0x00007FFAB7B01000-memory.dmp

              memory/2864-171-0x00007FFAB7040000-0x00007FFAB7B01000-memory.dmp

              memory/4472-143-0x0000000010480000-0x00000000104E1000-memory.dmp

              memory/4472-157-0x0000000010560000-0x00000000105C1000-memory.dmp

              memory/4472-151-0x00000000104F0000-0x0000000010551000-memory.dmp

              memory/4472-137-0x0000000010410000-0x0000000010471000-memory.dmp

              memory/4692-149-0x0000000010480000-0x00000000104E1000-memory.dmp

              memory/4692-146-0x0000000010480000-0x00000000104E1000-memory.dmp

              memory/5104-142-0x0000000074AD0000-0x0000000075081000-memory.dmp

              memory/5104-132-0x0000000074AD0000-0x0000000075081000-memory.dmp