Analysis

  • max time kernel
    168s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 13:19

General

  • Target

    a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d.exe

  • Size

    296KB

  • MD5

    130b20c652bf7e647b612dd5db50b4ca

  • SHA1

    0b12d7d22f131328816e16c345bec8627e2395d1

  • SHA256

    a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

  • SHA512

    108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

  • SSDEEP

    6144:fOpslFlqThdBCkWYxuukP1pjSKSNVkq/MVJbD:fwsl2TBd47GLRMTbD

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

justlove550

C2

178.7.176.51:100

Mutex

EUT6P507WGA80L

Attributes
  • enable_keylogger

    false

  • enable_message_box

    true

  • 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

    Please update your Flash Player first!

  • message_box_title

    Adobe Flash Player

  • password

    porsche912

  • 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 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 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:1380
      • C:\Users\Admin\AppData\Local\Temp\a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d.exe
        "C:\Users\Admin\AppData\Local\Temp\a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:948
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:972
          • C:\Users\Admin\AppData\Local\Temp\a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d.exe
            "C:\Users\Admin\AppData\Local\Temp\a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d.exe"
            3⤵
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:832
            • C:\directory\CyberGate\install\Svchost.exe
              "C:\directory\CyberGate\install\Svchost.exe"
              4⤵
              • Executes dropped EXE
              PID:552
          • C:\directory\CyberGate\install\Svchost.exe
            "C:\directory\CyberGate\install\Svchost.exe"
            3⤵
            • Executes dropped EXE
            PID:1228

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        224KB

        MD5

        6937624aeb7f0518f45385711a72eac6

        SHA1

        cb4e731f0aab0233e64770fc285a95a347a258c8

        SHA256

        9c9108cc9c9249c3acb978c43e06c492cd17fa433d40794393309cd976024d74

        SHA512

        5015fbd232ddd8978653f3c44f5bd0d4c0a4c8bd37edee7033e865639b66029778c9410337882671d0fb90d6774c3448f7ede7a40a8660fa61194d7eb6e68b30

      • C:\directory\CyberGate\install\Svchost.exe

        Filesize

        296KB

        MD5

        130b20c652bf7e647b612dd5db50b4ca

        SHA1

        0b12d7d22f131328816e16c345bec8627e2395d1

        SHA256

        a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

        SHA512

        108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

      • C:\directory\CyberGate\install\Svchost.exe

        Filesize

        296KB

        MD5

        130b20c652bf7e647b612dd5db50b4ca

        SHA1

        0b12d7d22f131328816e16c345bec8627e2395d1

        SHA256

        a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

        SHA512

        108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

      • \??\c:\directory\CyberGate\install\Svchost.exe

        Filesize

        296KB

        MD5

        130b20c652bf7e647b612dd5db50b4ca

        SHA1

        0b12d7d22f131328816e16c345bec8627e2395d1

        SHA256

        a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

        SHA512

        108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

      • \directory\CyberGate\install\Svchost.exe

        Filesize

        296KB

        MD5

        130b20c652bf7e647b612dd5db50b4ca

        SHA1

        0b12d7d22f131328816e16c345bec8627e2395d1

        SHA256

        a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

        SHA512

        108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

      • \directory\CyberGate\install\Svchost.exe

        Filesize

        296KB

        MD5

        130b20c652bf7e647b612dd5db50b4ca

        SHA1

        0b12d7d22f131328816e16c345bec8627e2395d1

        SHA256

        a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

        SHA512

        108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

      • \directory\CyberGate\install\Svchost.exe

        Filesize

        296KB

        MD5

        130b20c652bf7e647b612dd5db50b4ca

        SHA1

        0b12d7d22f131328816e16c345bec8627e2395d1

        SHA256

        a35fab756b8da7a157e8621fa5d06c560ba843bb990f34aba92c4296a06ba96d

        SHA512

        108640a7c8e51d91437124676f7db727bf5c086405a259a09b5f885419e7ba560d3a9423bb92762b20e71f0a60d5c6099b6879a59c95ac146327926def0fa311

      • memory/832-86-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/832-97-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/832-92-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/908-75-0x00000000104F0000-0x0000000010555000-memory.dmp

        Filesize

        404KB

      • memory/908-81-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/908-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

        Filesize

        8KB

      • memory/908-65-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/908-56-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/948-73-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/948-70-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/948-64-0x0000000074D31000-0x0000000074D33000-memory.dmp

        Filesize

        8KB

      • memory/1380-59-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB