Analysis

  • max time kernel
    151s
  • max time network
    178s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 10:54

General

  • Target

    928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4.exe

  • Size

    516KB

  • MD5

    37c9f3557e3ec966350b8ca66a63d7c8

  • SHA1

    fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

  • SHA256

    928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

  • SHA512

    3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

  • SSDEEP

    12288:7oZLpiEZJvHmHmktFxydpPyz+UoCn+v98noWLdoSR:kZLp8mkHYd06cOKnok

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

satz client

C2

satzbeiber.no-ip.info:82

Mutex

G122MH31Q5K2H7

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

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

  • 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 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 39 IoCs

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

  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 4 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1244
      • C:\Users\Admin\AppData\Local\Temp\928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4.exe
        "C:\Users\Admin\AppData\Local\Temp\928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\.bat" "
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:748
          • C:\Windows\SysWOW64\reg.exe
            REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "win rawr" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winrawr.exe" /f
            4⤵
            • Adds Run key to start application
            PID:1560
        • C:\Users\Admin\AppData\Roaming\winrawr.exe
          "C:\Users\Admin\AppData\Roaming\winrawr.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1852
          • C:\Users\Admin\AppData\Roaming\winrawr.exe
            "C:\Users\Admin\AppData\Roaming\winrawr.exe"
            4⤵
            • Adds policy Run key to start application
            • Executes dropped EXE
            • 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:856
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              5⤵
              • Modifies Installed Components in the registry
              • Suspicious use of AdjustPrivilegeToken
              PID:792
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
                PID:1596
              • C:\Users\Admin\AppData\Roaming\winrawr.exe
                "C:\Users\Admin\AppData\Roaming\winrawr.exe"
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:1804
                • C:\Windows\SysWOW64\install\server.exe
                  "C:\Windows\system32\install\server.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of SetWindowsHookEx
                  PID:1624
                  • C:\Windows\SysWOW64\install\server.exe
                    "C:\Windows\SysWOW64\install\server.exe"
                    7⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1660

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\.bat

              Filesize

              135B

              MD5

              256cc58ec06f79a6945eaec6f0afaba4

              SHA1

              9798af7c334a273fef8bf58514b5458fe2072b8c

              SHA256

              e818d6a1302f9a027feb83d8aae893f00b342db8823ee628122c00b04af159a9

              SHA512

              540404c5815a473079f691d9da97378f744621e23e0474ed1a756b8aef24bd5fed76d4df9d86a5a18ff64bf8dbd667d90c0b1965c73829db3ff81b949afb446c

            • C:\Users\Admin\AppData\Local\Temp\.exe

              Filesize

              1KB

              MD5

              ff50b64b66650852b3749433beee3300

              SHA1

              88f820fed71e4a946edd1197a47f5575fcc5dc4b

              SHA256

              3e27fabf6a09784276840f91fe96fc9a9cb26403917e6d804e1bd64b1db15100

              SHA512

              c86897dd6f700ced18896215b125c176c3c3e7d3cb8dc59ef526b27315310ef2b3d9f56ccbb6d6e4cc4ca7449fbd6fda351282fd6e3cf5458c1b3c4fd21e7dc7

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

              Filesize

              224KB

              MD5

              7ee1a8fae0168480ae9b6b6d35ad6984

              SHA1

              cee3759e7b951f16f8481c2d1d5dd15576b54232

              SHA256

              6f49acdf03e4705cb5ac59bc4fd89ab617c2ea42de51fcefecc78f8280fea849

              SHA512

              5994d81b0c3c265221d39e645274038072ba557fa1ceada6c72d572f5db21c8d5a4157dd5ff9cda22455d9365b41f84f2d065e69c3ce9ba85563de59e4c90c53

            • C:\Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • C:\Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • C:\Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • C:\Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

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

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

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

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

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

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Users\Admin\AppData\Roaming\winrawr.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Windows\SysWOW64\install\server.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • \Windows\SysWOW64\install\server.exe

              Filesize

              516KB

              MD5

              37c9f3557e3ec966350b8ca66a63d7c8

              SHA1

              fe0d64d55fb23cd39db79e9ce7e7ce9ee8435b3d

              SHA256

              928855e9fc17c49dcb9ec087095df7c67f6d87a8b812da0cb1ce4a21d2ea77c4

              SHA512

              3cdad0e71b93f0ace46403f2b00f6abd0a18eb33ec9f09fa675f3707e50c9c6de8dcf0fe9f5ac9fa811a185b4f562509e4abd0f48ceb4493a8eaf54c993bd998

            • memory/792-97-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/792-100-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/792-91-0x00000000747A1000-0x00000000747A3000-memory.dmp

              Filesize

              8KB

            • memory/856-83-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/856-110-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/856-81-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/856-92-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/856-79-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/856-77-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/856-80-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/856-102-0x00000000104F0000-0x0000000010555000-memory.dmp

              Filesize

              404KB

            • memory/856-72-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/856-116-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1244-86-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/1624-125-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/1624-136-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/1636-57-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/1636-56-0x00000000757B1000-0x00000000757B3000-memory.dmp

              Filesize

              8KB

            • memory/1636-68-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/1660-134-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1660-138-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1660-137-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1660-135-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1804-122-0x0000000007940000-0x00000000080DD000-memory.dmp

              Filesize

              7.6MB

            • memory/1804-109-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/1804-121-0x0000000007940000-0x00000000080DD000-memory.dmp

              Filesize

              7.6MB

            • memory/1804-115-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1804-123-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1804-139-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1852-76-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB