Analysis

  • max time kernel
    150s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 19:38

General

  • Target

    e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe

  • Size

    820KB

  • MD5

    921b80455a7247fcc772910295259645

  • SHA1

    98bccebeb53d685358bde1a44b92b6b37c4588e8

  • SHA256

    e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917

  • SHA512

    2a11b72037f67454daceee57d7ce07f75470204a0976bb0bc69a7a35706e0a978dc6721caba0c7dca004b60070bcca38eca897a6af9c82924476f305dfee155e

  • SSDEEP

    12288:gWJYin9OT8BfJLuIQCzvJ0OXNSBVNIjsOQkcqPeOVLBTO:gWX9OT8BfJSIQCDJ0OXNSBVDkRV1O

Malware Config

Extracted

Family

cybergate

Version

v1.04.8

Botnet

jelmla

C2

twiti2390.no-ip.biz:81

Mutex

XWD25X024878C4

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 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 3 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
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 5 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe
        "C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1000
        • C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2024
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1100
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1952
            • C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe
              "C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in Windows directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1160
              • C:\Windows\install\server.exe
                "C:\Windows\install\server.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:1568
                • C:\Windows\install\server.exe
                  6⤵
                  • Executes dropped EXE
                  PID:1036

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              Filesize

              222KB

              MD5

              40d8382bd78c9cd7cb573636a4d22640

              SHA1

              db668f7b51cde352fd74657da948fc7ff0c589ed

              SHA256

              0b80068ad0193567a4698322ee9a4d1f3d55a0b958c0a9f8653f7de8f7f5a293

              SHA512

              25fb6700796a2cad02e39251d30cd3bdb37f794d273203fa457d1a777438c1b5b8ba54a1e601c229e9f29358a452ffe804eec49c8db9855885ea8fe61410bb2d

            • C:\Windows\install\server.exe

              Filesize

              820KB

              MD5

              921b80455a7247fcc772910295259645

              SHA1

              98bccebeb53d685358bde1a44b92b6b37c4588e8

              SHA256

              e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917

              SHA512

              2a11b72037f67454daceee57d7ce07f75470204a0976bb0bc69a7a35706e0a978dc6721caba0c7dca004b60070bcca38eca897a6af9c82924476f305dfee155e

            • C:\Windows\install\server.exe

              Filesize

              820KB

              MD5

              921b80455a7247fcc772910295259645

              SHA1

              98bccebeb53d685358bde1a44b92b6b37c4588e8

              SHA256

              e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917

              SHA512

              2a11b72037f67454daceee57d7ce07f75470204a0976bb0bc69a7a35706e0a978dc6721caba0c7dca004b60070bcca38eca897a6af9c82924476f305dfee155e

            • C:\Windows\install\server.exe

              Filesize

              820KB

              MD5

              921b80455a7247fcc772910295259645

              SHA1

              98bccebeb53d685358bde1a44b92b6b37c4588e8

              SHA256

              e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917

              SHA512

              2a11b72037f67454daceee57d7ce07f75470204a0976bb0bc69a7a35706e0a978dc6721caba0c7dca004b60070bcca38eca897a6af9c82924476f305dfee155e

            • \Windows\install\server.exe

              Filesize

              820KB

              MD5

              921b80455a7247fcc772910295259645

              SHA1

              98bccebeb53d685358bde1a44b92b6b37c4588e8

              SHA256

              e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917

              SHA512

              2a11b72037f67454daceee57d7ce07f75470204a0976bb0bc69a7a35706e0a978dc6721caba0c7dca004b60070bcca38eca897a6af9c82924476f305dfee155e

            • \Windows\install\server.exe

              Filesize

              820KB

              MD5

              921b80455a7247fcc772910295259645

              SHA1

              98bccebeb53d685358bde1a44b92b6b37c4588e8

              SHA256

              e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917

              SHA512

              2a11b72037f67454daceee57d7ce07f75470204a0976bb0bc69a7a35706e0a978dc6721caba0c7dca004b60070bcca38eca897a6af9c82924476f305dfee155e

            • memory/1000-101-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-92-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-65-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-66-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-67-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-68-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-69-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-70-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-71-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-72-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-73-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-74-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-75-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-76-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-77-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-78-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-79-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-80-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-81-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-83-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-84-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-85-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-86-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-87-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-88-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-90-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-89-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-91-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-105-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-93-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-95-0x0000000000400000-0x0000000000498000-memory.dmp

              Filesize

              608KB

            • memory/1000-96-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-97-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-94-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-99-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-100-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-54-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-102-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-64-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-104-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-55-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-108-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-109-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-106-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-110-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-112-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-113-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-114-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-115-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-116-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-117-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-118-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-111-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-103-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-98-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-82-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-59-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-225-0x0000000000400000-0x0000000000498000-memory.dmp

              Filesize

              608KB

            • memory/1000-61-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-60-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-63-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-62-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1000-107-0x0000000001C00000-0x0000000001C61000-memory.dmp

              Filesize

              388KB

            • memory/1036-601-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1036-600-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1100-247-0x0000000010480000-0x00000000104E1000-memory.dmp

              Filesize

              388KB

            • memory/1160-419-0x0000000010560000-0x00000000105C1000-memory.dmp

              Filesize

              388KB

            • memory/1160-594-0x0000000006850000-0x00000000068E8000-memory.dmp

              Filesize

              608KB

            • memory/1160-596-0x0000000006850000-0x00000000068E8000-memory.dmp

              Filesize

              608KB

            • memory/1160-418-0x0000000000400000-0x0000000000498000-memory.dmp

              Filesize

              608KB

            • memory/1160-602-0x0000000010560000-0x00000000105C1000-memory.dmp

              Filesize

              388KB

            • memory/1568-598-0x0000000000400000-0x0000000000498000-memory.dmp

              Filesize

              608KB

            • memory/2024-228-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/2024-417-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB