Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 09:01

General

  • Target

    4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe

  • Size

    475KB

  • MD5

    2259d561f4478b8b7f7e38ef7bcd7a7c

  • SHA1

    78dcb080a7450af24a71a980c9e4c7514a2fae58

  • SHA256

    4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f

  • SHA512

    e8932532ac99ec373a96ca66d416bdefd504ca3e9d0f1dee300e09e52acdb603065266f4076e3f5639b20541ab7cfb59ca8546818aea7845d58fa77e87eb4eea

  • SSDEEP

    12288:iGfkwc4ybTNaaaqvE9mJUZrbW6sKuz+gJC3XC6KH5:lMwVW0By3383w

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

C2

themadman05.no-ip.biz:82

Mutex

V27WFWSSW4D2UY

Attributes
  • enable_keylogger

    false

  • 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

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    ti9i2561b

  • 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 10 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
  • Drops file in System32 directory 5 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:652
      • C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe
        "C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2672
        • C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe
          C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4012
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:212
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3496
            • C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe
              "C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:2848
              • C:\Windows\SysWOW64\install\server.exe
                "C:\Windows\system32\install\server.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                PID:4088
                • C:\Windows\SysWOW64\install\server.exe
                  C:\Windows\SysWOW64\install\server.exe
                  6⤵
                  • Executes dropped EXE
                  PID:5116
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 580
                    7⤵
                    • Program crash
                    PID:2864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5116 -ip 5116
        1⤵
          PID:2512

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                224KB

                MD5

                f4dac4c1126d959b89c784c7019890ea

                SHA1

                1c32e1d50c112f9aa8f50f7a169c47484f1b52f9

                SHA256

                42cf9df71f9d8d2877bf863076b3a49e3c793879f1ef9c185ff9b089833dd090

                SHA512

                c6d04159e5e6962007e642d7f270421ed51a0a98176af120df00d753cf1bbf6b3c01425747a3529aa9f334476dc7f42c7e51ba0856334e05a84bcba47a974c56

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

                Filesize

                475KB

                MD5

                2259d561f4478b8b7f7e38ef7bcd7a7c

                SHA1

                78dcb080a7450af24a71a980c9e4c7514a2fae58

                SHA256

                4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f

                SHA512

                e8932532ac99ec373a96ca66d416bdefd504ca3e9d0f1dee300e09e52acdb603065266f4076e3f5639b20541ab7cfb59ca8546818aea7845d58fa77e87eb4eea

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

                Filesize

                475KB

                MD5

                2259d561f4478b8b7f7e38ef7bcd7a7c

                SHA1

                78dcb080a7450af24a71a980c9e4c7514a2fae58

                SHA256

                4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f

                SHA512

                e8932532ac99ec373a96ca66d416bdefd504ca3e9d0f1dee300e09e52acdb603065266f4076e3f5639b20541ab7cfb59ca8546818aea7845d58fa77e87eb4eea

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

                Filesize

                475KB

                MD5

                2259d561f4478b8b7f7e38ef7bcd7a7c

                SHA1

                78dcb080a7450af24a71a980c9e4c7514a2fae58

                SHA256

                4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f

                SHA512

                e8932532ac99ec373a96ca66d416bdefd504ca3e9d0f1dee300e09e52acdb603065266f4076e3f5639b20541ab7cfb59ca8546818aea7845d58fa77e87eb4eea

              • memory/212-147-0x0000000010480000-0x00000000104E5000-memory.dmp

                Filesize

                404KB

              • memory/212-171-0x0000000010480000-0x00000000104E5000-memory.dmp

                Filesize

                404KB

              • memory/212-148-0x0000000010480000-0x00000000104E5000-memory.dmp

                Filesize

                404KB

              • memory/2672-134-0x0000000000620000-0x0000000000624000-memory.dmp

                Filesize

                16KB

              • memory/2848-160-0x0000000010560000-0x00000000105C5000-memory.dmp

                Filesize

                404KB

              • memory/2848-173-0x0000000010560000-0x00000000105C5000-memory.dmp

                Filesize

                404KB

              • memory/2848-162-0x0000000010560000-0x00000000105C5000-memory.dmp

                Filesize

                404KB

              • memory/4012-136-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/4012-157-0x0000000010560000-0x00000000105C5000-memory.dmp

                Filesize

                404KB

              • memory/4012-161-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/4012-152-0x00000000104F0000-0x0000000010555000-memory.dmp

                Filesize

                404KB

              • memory/4012-137-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/4012-139-0x0000000010410000-0x0000000010475000-memory.dmp

                Filesize

                404KB

              • memory/4012-144-0x0000000010480000-0x00000000104E5000-memory.dmp

                Filesize

                404KB

              • memory/4012-133-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/4012-135-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/5116-169-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/5116-170-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB

              • memory/5116-172-0x0000000000400000-0x000000000044F000-memory.dmp

                Filesize

                316KB