Analysis

  • max time kernel
    150s
  • max time network
    65s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 16:33

General

  • Target

    63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe

  • Size

    339KB

  • MD5

    43e9ea0e38f24ae28fb4f5cd5a575393

  • SHA1

    bce4b8566bc5b3f9407945e03a15b4f612db49e9

  • SHA256

    63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9

  • SHA512

    fe2e9397f75ff2fbba6bafaad377fb514d7069d10c68ec321de19dc1b586ffd90dabc741e346122f42f62a4a0d85af43708e1a1daf1f6df4728bb989349c88c8

  • SSDEEP

    6144:1SW609vwwb5RUghgALqqxCg7PSTTn7Za/OywBFFlmPl+IcbJEUdKSHuE1ikzIv:1N9/+Yj+TV6qTmQT0Wr4v

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

XÏãÇÑ ÔÇãáX

C2

asd505.no-ip.info:999

Mutex

H33008J237K375

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install3

  • 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

    cybergate

  • 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 2 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.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe
        "C:\Users\Admin\AppData\Local\Temp\63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v msmmsgr /t REG_SZ /d "C:\Windows\TEMP\x\services.exe" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:820
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v msmmsgr /t REG_SZ /d "C:\Windows\TEMP\x\services.exe" /f
            4⤵
            • Adds Run key to start application
            • Modifies registry key
            PID:884
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v ctfmon /t REG_SZ /d "C:\Windows\TEMP\services.exe" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1288
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v ctfmon /t REG_SZ /d "C:\Windows\TEMP\services.exe" /f
            4⤵
            • Adds Run key to start application
            • Modifies registry key
            PID:1720
        • C:\Users\Admin\AppData\Local\Temp\63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe
          C:\Users\Admin\AppData\Local\Temp\63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:320
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1504
            • C:\Users\Admin\AppData\Local\Temp\63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe
              "C:\Users\Admin\AppData\Local\Temp\63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9.exe"
              4⤵
              • Loads dropped DLL
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1996
              • C:\Program Files (x86)\install3\server.exe
                "C:\Program Files (x86)\install3\server.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1284
                • C:\Program Files (x86)\install3\server.exe
                  "C:\Program Files (x86)\install3\server.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:884

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\install3\server.exe

        Filesize

        339KB

        MD5

        43e9ea0e38f24ae28fb4f5cd5a575393

        SHA1

        bce4b8566bc5b3f9407945e03a15b4f612db49e9

        SHA256

        63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9

        SHA512

        fe2e9397f75ff2fbba6bafaad377fb514d7069d10c68ec321de19dc1b586ffd90dabc741e346122f42f62a4a0d85af43708e1a1daf1f6df4728bb989349c88c8

      • C:\Program Files (x86)\install3\server.exe

        Filesize

        339KB

        MD5

        43e9ea0e38f24ae28fb4f5cd5a575393

        SHA1

        bce4b8566bc5b3f9407945e03a15b4f612db49e9

        SHA256

        63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9

        SHA512

        fe2e9397f75ff2fbba6bafaad377fb514d7069d10c68ec321de19dc1b586ffd90dabc741e346122f42f62a4a0d85af43708e1a1daf1f6df4728bb989349c88c8

      • C:\Program Files (x86)\install3\server.exe

        Filesize

        339KB

        MD5

        43e9ea0e38f24ae28fb4f5cd5a575393

        SHA1

        bce4b8566bc5b3f9407945e03a15b4f612db49e9

        SHA256

        63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9

        SHA512

        fe2e9397f75ff2fbba6bafaad377fb514d7069d10c68ec321de19dc1b586ffd90dabc741e346122f42f62a4a0d85af43708e1a1daf1f6df4728bb989349c88c8

      • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

        Filesize

        224KB

        MD5

        5285e144619d84f2c1b61d2ae6b4b06a

        SHA1

        21d1a1c418b84ffeb9eda7312ccd6017334ec806

        SHA256

        7ca38c84db715e3c7487617a5c95267a3923efe5cd65dd8298998533857c9e81

        SHA512

        31040071d59f9921b99edb17a9a98b08ac27b1527c069997dda7fb6fd3c946fd91368315a884393ac625eec3d24061067719aa22e17030b4318a71e44645159a

      • \Program Files (x86)\install3\server.exe

        Filesize

        339KB

        MD5

        43e9ea0e38f24ae28fb4f5cd5a575393

        SHA1

        bce4b8566bc5b3f9407945e03a15b4f612db49e9

        SHA256

        63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9

        SHA512

        fe2e9397f75ff2fbba6bafaad377fb514d7069d10c68ec321de19dc1b586ffd90dabc741e346122f42f62a4a0d85af43708e1a1daf1f6df4728bb989349c88c8

      • \Program Files (x86)\install3\server.exe

        Filesize

        339KB

        MD5

        43e9ea0e38f24ae28fb4f5cd5a575393

        SHA1

        bce4b8566bc5b3f9407945e03a15b4f612db49e9

        SHA256

        63e47a8f8c0f7358b3616549de525be345327157e020a22b9f27c31f28e2d6b9

        SHA512

        fe2e9397f75ff2fbba6bafaad377fb514d7069d10c68ec321de19dc1b586ffd90dabc741e346122f42f62a4a0d85af43708e1a1daf1f6df4728bb989349c88c8

      • memory/320-82-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/320-73-0x0000000075241000-0x0000000075243000-memory.dmp

        Filesize

        8KB

      • memory/320-79-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/884-109-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/884-107-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/884-106-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1200-68-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/1996-110-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1996-108-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1996-95-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/2036-65-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/2036-74-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/2036-56-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/2036-63-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/2036-58-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/2036-62-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/2036-61-0x00000000762E1000-0x00000000762E3000-memory.dmp

        Filesize

        8KB

      • memory/2036-96-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/2036-90-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/2036-84-0x00000000104F0000-0x0000000010555000-memory.dmp

        Filesize

        404KB