Analysis

  • max time kernel
    188s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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.

  • 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 Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:3076
      • 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:1532
        • 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:1136
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:3424
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3212
            • C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe
              "C:\Users\Admin\AppData\Local\Temp\e90923e136faca4ac61fa0aedb956488e6522a96267f2d272188c44b30a6a917.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Windows directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3052
              • 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:4980
                • C:\Windows\install\server.exe
                  6⤵
                  • Executes dropped EXE
                  PID:812
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 544
                    7⤵
                    • Program crash
                    PID:3328
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 544
                    7⤵
                    • Program crash
                    PID:1228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 812 -ip 812
        1⤵
          PID:4576

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              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

              • memory/812-645-0x0000000000400000-0x000000000044E000-memory.dmp

                Filesize

                312KB

              • memory/812-644-0x0000000000400000-0x000000000044E000-memory.dmp

                Filesize

                312KB

              • memory/1136-295-0x0000000000400000-0x000000000044E000-memory.dmp

                Filesize

                312KB

              • memory/1136-474-0x0000000000400000-0x000000000044E000-memory.dmp

                Filesize

                312KB

              • memory/1532-172-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-179-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-144-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-145-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-142-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-146-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-147-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-148-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-149-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-152-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-153-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-151-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-156-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-155-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-154-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-150-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-157-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-159-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-160-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-158-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-162-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-161-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-164-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-163-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-165-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-167-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-168-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-169-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-170-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-166-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-141-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-173-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-174-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-175-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-176-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-177-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-171-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-143-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-180-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-181-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-182-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-178-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-184-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-187-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-185-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-188-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-189-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-190-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-186-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-183-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-193-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-196-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-195-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-194-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-192-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-191-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-293-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/1532-133-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-132-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-140-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-138-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/1532-139-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/1532-137-0x00000000021D0000-0x0000000002231000-memory.dmp

                Filesize

                388KB

              • memory/3052-476-0x0000000010560000-0x00000000105C1000-memory.dmp

                Filesize

                388KB

              • memory/3052-475-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/3052-643-0x0000000010560000-0x00000000105C1000-memory.dmp

                Filesize

                388KB

              • memory/3424-308-0x0000000010480000-0x00000000104E1000-memory.dmp

                Filesize

                388KB

              • memory/4980-634-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/4980-642-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB