Analysis

  • max time kernel
    157s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 14:18

General

  • Target

    b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe

  • Size

    444KB

  • MD5

    18c83f79bdb9c1c3cea796f93cad1b84

  • SHA1

    7f0f0940467306826e1835bff8369f5bea5ec834

  • SHA256

    b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837

  • SHA512

    3c2b4e61a77901fbb37d3c1a3601610a47c6b445c5ae33c4d5fbc7972b2092b1390514c66b6d4442a249112490100c3446bc13764255e0eb38c0d8358d8e9488

  • SSDEEP

    12288:pnpH4HYWO9z77CWgY+Uc4WB+YggJYK2ggNWrKBmTrA:RpHfz37Zc4WBCgJYlNTBm3A

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Conquer

C2

127.0.0.1:3460

spider2.no-ip.biz:3460

Mutex

0FC8M3II0LMIMB

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./cybergate/

  • ftp_interval

    20

  • injected_process

    explorer.exe

  • install_dir

    Internet

  • install_file

    Spider.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123

Signatures

  • CyberGate, Rebhip

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

  • Molebox Virtualization software 2 IoCs

    Detects file using Molebox Virtualization software.

  • Adds policy Run key to start application 2 TTPs 4 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 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2456
      • C:\Users\Admin\AppData\Local\Temp\b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe
        "C:\Users\Admin\AppData\Local\Temp\b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3900
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:4832
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:4408
          • C:\Users\Admin\AppData\Local\Temp\b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe
            "C:\Users\Admin\AppData\Local\Temp\b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe"
            3⤵
            • Checks computer location settings
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1236
            • C:\Users\Admin\AppData\Local\Temp\b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe
              "C:\Users\Admin\AppData\Local\Temp\b3f77b915adafd0d977325ac091435f1e413b0bcb65700cd58482b02e8ff2837.exe"
              4⤵
                PID:3944
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 580
                  5⤵
                  • Program crash
                  PID:3764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3944 -ip 3944
          1⤵
            PID:2316

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            225KB

            MD5

            6dbb011b16a5e6f48e4853d71099d126

            SHA1

            268171b6601b590e9080db69cb669e0e5a8bec1e

            SHA256

            096c8370cefaa08a5a359bd981794c0e5f9e57af12f3c391a2a6dbe11b271795

            SHA512

            26d5ab9f9a3eb94524ea214ac076bf29fa205f9d92e50dd7507abd090062fbec9de38fd3179a0d4b2870f5b79ac79df103cc9abe49a50ecf9acdac1404965e0c

          • memory/1236-166-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1236-161-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1236-158-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1236-154-0x0000000000000000-mapping.dmp

          • memory/3900-149-0x00000000104F0000-0x0000000010555000-memory.dmp

            Filesize

            404KB

          • memory/3900-136-0x0000000010410000-0x0000000010475000-memory.dmp

            Filesize

            404KB

          • memory/3900-141-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/3900-146-0x00000000021E0000-0x000000000221D000-memory.dmp

            Filesize

            244KB

          • memory/3900-133-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/3900-132-0x00000000021E0000-0x000000000221D000-memory.dmp

            Filesize

            244KB

          • memory/3900-152-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/3900-134-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/3900-155-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/3900-160-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/3900-159-0x00000000021E0000-0x000000000221D000-memory.dmp

            Filesize

            244KB

          • memory/3944-162-0x0000000000000000-mapping.dmp

          • memory/3944-163-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/3944-164-0x00000000020B0000-0x00000000020ED000-memory.dmp

            Filesize

            244KB

          • memory/3944-165-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/4832-144-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/4832-140-0x0000000000000000-mapping.dmp

          • memory/4832-147-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB