Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:43

General

  • Target

    26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.exe

  • Size

    312KB

  • MD5

    1682fd18218abad74d46668630e9a1cf

  • SHA1

    12d308415af7e525ab0fe329618e10521ff9b93a

  • SHA256

    26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc

  • SHA512

    992e4b30f74388b42edd50fb1a6b03321e2c19c85623a4acd350006f222e36bfe8b3f6f56113a76fd5e8b59657c38a27d1ae8d5b929f2987902a952078c5ee2a

  • SSDEEP

    6144:KrIKUeUKLaB3ctqFDt+oe65cI0K9+3WoGp1Orx66gw9xxF:g+JpDt+oYrKQ3WoGnOFmOxF

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

noliife.no-ip.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

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 2 IoCs
  • UPX packed file 13 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.exe
    "C:\Users\Admin\AppData\Local\Temp\26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.exe
      C:\Users\Admin\AppData\Local\Temp\26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.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 WriteProcessMemory
      PID:4528
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:4204
        • C:\Users\Admin\AppData\Local\Temp\26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.exe
          "C:\Users\Admin\AppData\Local\Temp\26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc.exe"
          3⤵
          • Checks computer location settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4988
          • C:\Windows\SysWOW64\install\server.exe
            "C:\Windows\system32\install\server.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            PID:1616
            • C:\Windows\SysWOW64\install\server.exe
              C:\Windows\SysWOW64\install\server.exe
              5⤵
              • Executes dropped EXE
              PID:2604
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 564
                6⤵
                • Program crash
                PID:2504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2604 -ip 2604
      1⤵
        PID:1280

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      2
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
        Filesize

        229KB

        MD5

        1a184121d7bd5088203d23c74e1f5fae

        SHA1

        3f135d6602dd99ae354c43e93c92052f60fa38a8

        SHA256

        5369e27d27af48d911353a1aad29669a6b733c7094dfa5f2bd0fc7cfb1124ea2

        SHA512

        d8442549bb5a29afd2aa6d6ec762f0003512b075a04fe2d13c4e1956773bfe22285a132ec95d29aa543c438ebf210ad04d3cc2c53b4862b4c5a3eca4600828cc

      • C:\Windows\SysWOW64\install\server.exe
        Filesize

        312KB

        MD5

        1682fd18218abad74d46668630e9a1cf

        SHA1

        12d308415af7e525ab0fe329618e10521ff9b93a

        SHA256

        26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc

        SHA512

        992e4b30f74388b42edd50fb1a6b03321e2c19c85623a4acd350006f222e36bfe8b3f6f56113a76fd5e8b59657c38a27d1ae8d5b929f2987902a952078c5ee2a

      • C:\Windows\SysWOW64\install\server.exe
        Filesize

        312KB

        MD5

        1682fd18218abad74d46668630e9a1cf

        SHA1

        12d308415af7e525ab0fe329618e10521ff9b93a

        SHA256

        26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc

        SHA512

        992e4b30f74388b42edd50fb1a6b03321e2c19c85623a4acd350006f222e36bfe8b3f6f56113a76fd5e8b59657c38a27d1ae8d5b929f2987902a952078c5ee2a

      • C:\Windows\SysWOW64\install\server.exe
        Filesize

        312KB

        MD5

        1682fd18218abad74d46668630e9a1cf

        SHA1

        12d308415af7e525ab0fe329618e10521ff9b93a

        SHA256

        26933fec4ec39b40270c5f18841103509daeb8dd15286286081e088c669deddc

        SHA512

        992e4b30f74388b42edd50fb1a6b03321e2c19c85623a4acd350006f222e36bfe8b3f6f56113a76fd5e8b59657c38a27d1ae8d5b929f2987902a952078c5ee2a

      • memory/1616-154-0x0000000000000000-mapping.dmp
      • memory/2604-164-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2604-163-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2604-162-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2604-158-0x0000000000000000-mapping.dmp
      • memory/4528-141-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/4528-150-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4528-146-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4528-134-0x0000000000000000-mapping.dmp
      • memory/4528-139-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4528-138-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4528-137-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4528-135-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4988-151-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4988-149-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4988-145-0x0000000000000000-mapping.dmp
      • memory/4988-165-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB