Analysis

  • max time kernel
    173s
  • max time network
    177s
  • 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, 19:42

General

  • Target
    a1e46c776f9c1b4d0f658fd1476fc9691e3d559aa23b5c5b79947ff4d8b96c7a.exe
  • Size 344KB
  • Sample221029-ye3dmachhl
  • SHA256 a1e46c776f9c1b4d0f658fd1476fc9691e3d559aa23b5c5b79947ff4d8b96c7a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • v1.07.5

Botnet
  • remote

C2
  • jaratali.no-ip.biz:82

Mutex
  • S41K0O178V1K07

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    jaratali

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

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 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 17 IoCs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 5 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 Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:760
      • C:\Users\Admin\AppData\Local\Temp\a1e46c776f9c1b4d0f658fd1476fc9691e3d559aa23b5c5b79947ff4d8b96c7a.exe
        "C:\Users\Admin\AppData\Local\Temp\a1e46c776f9c1b4d0f658fd1476fc9691e3d559aa23b5c5b79947ff4d8b96c7a.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2032
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
            4⤵
            • 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:1136
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              5⤵
              • Modifies Installed Components in the registry
              • Suspicious use of AdjustPrivilegeToken
              PID:4080
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              5⤵
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3904
              • C:\Windows\SysWOW64\install\svchost.exe
                "C:\Windows\system32\install\svchost.exe"
                6⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1356
                • C:\Windows\SysWOW64\install\svchost.exe
                  C:\Windows\SysWOW64\install\svchost.exe
                  7⤵
                  • Executes dropped EXE
                  PID:1340
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 588
                    8⤵
                    • Program crash
                    PID:3688
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OMEGLE~1.EXE
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OMEGLE~1.EXE
          3⤵
          • Executes dropped EXE
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1340 -ip 1340
      1⤵
        PID:3380

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            Admin2.txt

            • Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
            • Size 224KB
            • SHA256 eea5b9e765e67f0e3bf25594641a22b15b722796c254517cffef183dae2db3c8
            • MD5 SHA1 SHA512 SSDEEP

            OMEGLE~1.EXE

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OMEGLE~1.EXE
            • Size 20KB
            • SHA256 2125cc82f4a3a1b283c0e560d971e7a1d15b0c390b6ac53c6fdbe494b7599964
            • MD5 SHA1 SHA512 SSDEEP

            OMEGLE~1.EXE

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OMEGLE~1.EXE
            • Size 20KB
            • SHA256 2125cc82f4a3a1b283c0e560d971e7a1d15b0c390b6ac53c6fdbe494b7599964
            • MD5 SHA1 SHA512 SSDEEP

            omegle.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
            • Size 322KB
            • SHA256 cb939b587e4b0497670408537afda22acd6959833efada5d8c9a910425329711
            • MD5 SHA1 SHA512 SSDEEP

            omegle.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
            • Size 322KB
            • SHA256 cb939b587e4b0497670408537afda22acd6959833efada5d8c9a910425329711
            • MD5 SHA1 SHA512 SSDEEP

            omegle.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\omegle.exe
            • Size 322KB
            • SHA256 cb939b587e4b0497670408537afda22acd6959833efada5d8c9a910425329711
            • MD5 SHA1 SHA512 SSDEEP

            svchost.exe

            • Path C:\Windows\SysWOW64\install\svchost.exe
            • Size 322KB
            • SHA256 cb939b587e4b0497670408537afda22acd6959833efada5d8c9a910425329711
            • MD5 SHA1 SHA512 SSDEEP

            svchost.exe

            • Path C:\Windows\SysWOW64\install\svchost.exe
            • Size 322KB
            • SHA256 cb939b587e4b0497670408537afda22acd6959833efada5d8c9a910425329711
            • MD5 SHA1 SHA512 SSDEEP

            svchost.exe

            • Path C:\Windows\SysWOW64\install\svchost.exe
            • Size 322KB
            • SHA256 cb939b587e4b0497670408537afda22acd6959833efada5d8c9a910425329711
            • MD5 SHA1 SHA512 SSDEEP

            memory/1136-145-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1136-147-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1136-148-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1136-150-0x0000000010410000-0x0000000010475000-memory.dmp

            memory/1136-164-0x00000000104F0000-0x0000000010555000-memory.dmp

            memory/1136-155-0x0000000010480000-0x00000000104E5000-memory.dmp

            memory/1136-168-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1136-138-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1340-180-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1340-178-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1340-179-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/1340-181-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/3904-169-0x00000000104F0000-0x0000000010555000-memory.dmp

            memory/3904-167-0x00000000104F0000-0x0000000010555000-memory.dmp

            memory/3904-182-0x00000000104F0000-0x0000000010555000-memory.dmp

            memory/4080-161-0x0000000010480000-0x00000000104E5000-memory.dmp

            memory/4080-158-0x0000000010480000-0x00000000104E5000-memory.dmp