Analysis

  • max time kernel
    204s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • 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.

  • 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:1432
      • 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:1428
        • 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:820
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:516
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:584
            • C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe
              "C:\Users\Admin\AppData\Local\Temp\4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious use of AdjustPrivilegeToken
              PID:2012
              • 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:1084
                • C:\Windows\SysWOW64\install\server.exe
                  C:\Windows\SysWOW64\install\server.exe
                  6⤵
                  • Executes dropped EXE
                  PID:1632

      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

            • \Windows\SysWOW64\install\server.exe

              Filesize

              475KB

              MD5

              2259d561f4478b8b7f7e38ef7bcd7a7c

              SHA1

              78dcb080a7450af24a71a980c9e4c7514a2fae58

              SHA256

              4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f

              SHA512

              e8932532ac99ec373a96ca66d416bdefd504ca3e9d0f1dee300e09e52acdb603065266f4076e3f5639b20541ab7cfb59ca8546818aea7845d58fa77e87eb4eea

            • \Windows\SysWOW64\install\server.exe

              Filesize

              475KB

              MD5

              2259d561f4478b8b7f7e38ef7bcd7a7c

              SHA1

              78dcb080a7450af24a71a980c9e4c7514a2fae58

              SHA256

              4916396d7a662352869a7b8c0a22cb2d8bd45bdb531cd39d3eb486bc84b5407f

              SHA512

              e8932532ac99ec373a96ca66d416bdefd504ca3e9d0f1dee300e09e52acdb603065266f4076e3f5639b20541ab7cfb59ca8546818aea7845d58fa77e87eb4eea

            • memory/516-89-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/516-86-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/516-80-0x00000000746B1000-0x00000000746B3000-memory.dmp

              Filesize

              8KB

            • memory/820-81-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/820-56-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-69-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-70-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-72-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/820-55-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-66-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-58-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-64-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-62-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-61-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-60-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-91-0x00000000104F0000-0x0000000010555000-memory.dmp

              Filesize

              404KB

            • memory/820-59-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/820-97-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/820-102-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/1428-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

              Filesize

              8KB

            • memory/1428-67-0x0000000000330000-0x0000000000334000-memory.dmp

              Filesize

              16KB

            • memory/1432-75-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/1632-124-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/1632-125-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/1632-127-0x0000000000400000-0x000000000044F000-memory.dmp

              Filesize

              316KB

            • memory/2012-103-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/2012-104-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/2012-126-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB