Analysis

  • max time kernel
    179s
  • max time network
    186s
  • 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, 02:58

General

  • Target
    1947ef386b338b84c4900b5c4e7b97dda1247c28afee9d30cc2c2f58498020aa.exe
  • Size 406KB
  • Sample221021-dgfbnahee3
  • SHA256 1947ef386b338b84c4900b5c4e7b97dda1247c28afee9d30cc2c2f58498020aa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • v1.07.5

Botnet
  • nCorePass

C2
  • agent.servehttp.com:81

  • mozilla-ftp.serveftp.com:81

Mutex
  • 402W4C80850B60

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    PasswordHACK

  • install_file

    passcrack.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    brigi1

  • regkey_hkcu

    Explorer

Signatures

  • CyberGate, Rebhip

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

  • Nirsoft 2 IoCs
  • Executes dropped EXE 5 IoCs
  • UPX packed file 13 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\1947ef386b338b84c4900b5c4e7b97dda1247c28afee9d30cc2c2f58498020aa.exe
        "C:\Users\Admin\AppData\Local\Temp\1947ef386b338b84c4900b5c4e7b97dda1247c28afee9d30cc2c2f58498020aa.exe"
        2⤵
        • Checks computer location settings
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:4460
        • C:\Users\Admin\AppData\Local\Temp\WirelessKeyView.exe
          "C:\Users\Admin\AppData\Local\Temp\WirelessKeyView.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4856
        • C:\Program Files (x86)\PasswordHACK\passwordcrack.exe
          "C:\Program Files (x86)\PasswordHACK\passwordcrack.exe"
          3⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4800
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1176
          • C:\Program Files (x86)\PasswordHACK\passwordcrack.exe
            "C:\Program Files (x86)\PasswordHACK\passwordcrack.exe"
            4⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Drops file in Program Files directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3152
            • C:\Program Files (x86)\PasswordHACK\passcrack.exe
              "C:\Program Files (x86)\PasswordHACK\passcrack.exe"
              5⤵
              • Executes dropped EXE
              PID:2700
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 548
                6⤵
                • Program crash
                PID:4976
          • C:\Program Files (x86)\PasswordHACK\passcrack.exe
            "C:\Program Files (x86)\PasswordHACK\passcrack.exe"
            4⤵
            • Executes dropped EXE
            PID:2712
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 580
              5⤵
              • Program crash
              PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2712 -ip 2712
      1⤵
        PID:3760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2700 -ip 2700
        1⤵
          PID:836

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              passcrack.exe

              • Path C:\Program Files (x86)\PasswordHACK\passcrack.exe
              • Size 289KB
              • SHA256 7fee2a497984511b039ad7d0393e19eb3f5864d6bb5aa736a37b81a23f824d66
              • MD5 SHA1 SHA512 SSDEEP

              passcrack.exe

              • Path C:\Program Files (x86)\PasswordHACK\passcrack.exe
              • Size 289KB
              • SHA256 7fee2a497984511b039ad7d0393e19eb3f5864d6bb5aa736a37b81a23f824d66
              • MD5 SHA1 SHA512 SSDEEP

              passcrack.exe

              • Path C:\Program Files (x86)\PasswordHACK\passcrack.exe
              • Size 289KB
              • SHA256 7fee2a497984511b039ad7d0393e19eb3f5864d6bb5aa736a37b81a23f824d66
              • MD5 SHA1 SHA512 SSDEEP

              passwordcrack.exe

              • Path C:\Program Files (x86)\PasswordHACK\passwordcrack.exe
              • Size 289KB
              • SHA256 7fee2a497984511b039ad7d0393e19eb3f5864d6bb5aa736a37b81a23f824d66
              • MD5 SHA1 SHA512 SSDEEP

              passwordcrack.exe

              • Path C:\Program Files (x86)\PasswordHACK\passwordcrack.exe
              • Size 289KB
              • SHA256 7fee2a497984511b039ad7d0393e19eb3f5864d6bb5aa736a37b81a23f824d66
              • MD5 SHA1 SHA512 SSDEEP

              passwordcrack.exe

              • Path C:\Program Files (x86)\PasswordHACK\passwordcrack.exe
              • Size 289KB
              • SHA256 7fee2a497984511b039ad7d0393e19eb3f5864d6bb5aa736a37b81a23f824d66
              • MD5 SHA1 SHA512 SSDEEP

              Admin2.txt

              • Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
              • Size 224KB
              • SHA256 94a10ce48c0298a892e8bc5ad49c26185856178efd3ededc6273bee98052a01d
              • MD5 SHA1 SHA512 SSDEEP

              WirelessKeyView.exe

              • Path C:\Users\Admin\AppData\Local\Temp\WirelessKeyView.exe
              • Size 47KB
              • SHA256 38a9e904b545ab0439dc1ed2b82b5c8a9190f8f0222204fee7f88e7ffa35455d
              • MD5 SHA1 SHA512 SSDEEP

              WirelessKeyView.exe

              • Path C:\Users\Admin\AppData\Local\Temp\WirelessKeyView.exe
              • Size 47KB
              • SHA256 38a9e904b545ab0439dc1ed2b82b5c8a9190f8f0222204fee7f88e7ffa35455d
              • MD5 SHA1 SHA512 SSDEEP

              WirelessKeyView_lng.ini

              • Path C:\Users\Admin\AppData\Local\Temp\WirelessKeyView_lng.ini
              • Size 1KB
              • SHA256 9c846cfc119475f6a799e73849ae880ced17b22338fbc2edf8592d90b5a1ccce
              • MD5 SHA1 SHA512

              memory/1176-151-0x0000000010480000-0x00000000104E5000-memory.dmp

              memory/1176-150-0x0000000010480000-0x00000000104E5000-memory.dmp

              memory/1176-166-0x0000000010480000-0x00000000104E5000-memory.dmp

              memory/3152-163-0x00000000104F0000-0x0000000010555000-memory.dmp

              memory/3152-167-0x00000000104F0000-0x0000000010555000-memory.dmp

              memory/3152-160-0x00000000104F0000-0x0000000010555000-memory.dmp

              memory/4800-157-0x00000000104F0000-0x0000000010555000-memory.dmp

              memory/4800-147-0x0000000010480000-0x00000000104E5000-memory.dmp

              memory/4800-141-0x0000000010410000-0x0000000010475000-memory.dmp

              memory/4856-144-0x0000000000400000-0x000000000041C000-memory.dmp

              memory/4856-136-0x0000000000400000-0x000000000041C000-memory.dmp