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Analysis

  • max time kernel
    185s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 13:16

General

  • Target

    6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.exe

  • Size

    419KB

  • MD5

    66a6185487658378052a490d162fdeb2

  • SHA1

    b8b2b6028e3cbd03257d244019f9a2141636cb94

  • SHA256

    6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806

  • SHA512

    c16d7476dce8642097fac2dc51dd9d5505a126b7cc5edb4d1ad98b2e0d5e4f53bdb251ed5e9c618d58d06e7fda49dcb5ac1826996ee013ef9948b4d7d0e1da55

  • SSDEEP

    6144:rp6Ec/ijZ5W9RAI1MMjHUH5DrNAv/qpNSY1Zq3/TPj5Ntb7SAiEPJ0Oonfc5Dj8Y:MEoij4R1MML8C/qphi/TNi+J0XfM

Malware Config

Extracted

Family

cybergate

Version

v1.04.8

Botnet

remote

C2

127.0.0.1:999

127.0.0.1:1337

chawki13.no-ip.org:1337

Mutex

1I80YJ8EV0M748

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Google

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Désolé reéssayez ultérieurement !!!

  • message_box_title

    Windows

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:372
      • C:\Users\Admin\AppData\Local\Temp\6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.exe
        "C:\Users\Admin\AppData\Local\Temp\6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4104
        • C:\Users\Admin\AppData\Local\Temp\6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.exe
          "C:\Users\Admin\AppData\Local\Temp\6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.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:2200
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4920
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:228
            • C:\Users\Admin\AppData\Local\Temp\6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.exe
              "C:\Users\Admin\AppData\Local\Temp\6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3088
              • C:\Program Files (x86)\Google\svchost.exe
                "C:\Program Files (x86)\Google\svchost.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                PID:3144
                • C:\Program Files (x86)\Google\svchost.exe
                  "C:\Program Files (x86)\Google\svchost.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:4996
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 536
                    7⤵
                    • Program crash
                    PID:1156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4996 -ip 4996
        1⤵
          PID:3100

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Google\svchost.exe

          Filesize

          419KB

          MD5

          66a6185487658378052a490d162fdeb2

          SHA1

          b8b2b6028e3cbd03257d244019f9a2141636cb94

          SHA256

          6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806

          SHA512

          c16d7476dce8642097fac2dc51dd9d5505a126b7cc5edb4d1ad98b2e0d5e4f53bdb251ed5e9c618d58d06e7fda49dcb5ac1826996ee013ef9948b4d7d0e1da55

        • C:\Program Files (x86)\Google\svchost.exe

          Filesize

          419KB

          MD5

          66a6185487658378052a490d162fdeb2

          SHA1

          b8b2b6028e3cbd03257d244019f9a2141636cb94

          SHA256

          6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806

          SHA512

          c16d7476dce8642097fac2dc51dd9d5505a126b7cc5edb4d1ad98b2e0d5e4f53bdb251ed5e9c618d58d06e7fda49dcb5ac1826996ee013ef9948b4d7d0e1da55

        • C:\Program Files (x86)\Google\svchost.exe

          Filesize

          419KB

          MD5

          66a6185487658378052a490d162fdeb2

          SHA1

          b8b2b6028e3cbd03257d244019f9a2141636cb94

          SHA256

          6b1896a9be277061c53fc2f3dee707fc874bbbc51e8f7e178c14089db714b806

          SHA512

          c16d7476dce8642097fac2dc51dd9d5505a126b7cc5edb4d1ad98b2e0d5e4f53bdb251ed5e9c618d58d06e7fda49dcb5ac1826996ee013ef9948b4d7d0e1da55

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

          Filesize

          222KB

          MD5

          4d0b1cf2bac3bcfd9166501303bce1e7

          SHA1

          8c85faaf7e5e10d62f7161e2551c07e4ca31a7b6

          SHA256

          fc1726364888d7d38f99fe4287dda15b7d59375e2d011096e05b5d8e31850fe3

          SHA512

          f34e401e29d45fe212961658fd694ddbd9453a34b95d3d609419496285e9a6ffd66b1e3eb0b02018748cc568b423332753f95ea17ad3192f5b51895f7e2e67d4

        • memory/2200-153-0x00000000104F0000-0x0000000010551000-memory.dmp

          Filesize

          388KB

        • memory/2200-158-0x0000000010560000-0x00000000105C1000-memory.dmp

          Filesize

          388KB

        • memory/2200-138-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/2200-140-0x0000000010410000-0x0000000010471000-memory.dmp

          Filesize

          388KB

        • memory/2200-145-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/2200-134-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/2200-136-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/2200-135-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/2200-162-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/3088-164-0x0000000010560000-0x00000000105C1000-memory.dmp

          Filesize

          388KB

        • memory/3088-161-0x0000000010560000-0x00000000105C1000-memory.dmp

          Filesize

          388KB

        • memory/3088-163-0x0000000010560000-0x00000000105C1000-memory.dmp

          Filesize

          388KB

        • memory/3144-173-0x00000000729C0000-0x0000000072F71000-memory.dmp

          Filesize

          5.7MB

        • memory/4104-137-0x0000000075420000-0x00000000759D1000-memory.dmp

          Filesize

          5.7MB

        • memory/4104-132-0x0000000075420000-0x00000000759D1000-memory.dmp

          Filesize

          5.7MB

        • memory/4920-151-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/4920-148-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/4996-171-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/4996-172-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB