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Analysis

  • max time kernel
    189s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 21:18

General

  • Target

    9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe

  • Size

    345KB

  • MD5

    6ea49203166f1850b63635d550283586

  • SHA1

    66452419b37aecd2bd6c9d0a3cff50798edf61b9

  • SHA256

    9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

  • SHA512

    9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

  • SSDEEP

    6144:+L9qDwTgZKzltsoNeM2wdE2TfRpOu4epdetelUr21JR23JIShC8S:+Ll0ZKzFP2WAYOElLbOa

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

PCmio

C2

carlostutor.no-ip.biz:8080

Mutex

W8K50KBIH20R0D

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

    666666

  • 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 4 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.

  • 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 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Modifies registry class 1 IoCs
  • 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:512
      • C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe
        "C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2516
        • C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe
          "C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.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:4760
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:4280
            • 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
              • Suspicious use of SetWindowsHookEx
              PID:4576
              • C:\Windows\SysWOW64\install\server.exe
                "C:\Windows\SysWOW64\install\server.exe"
                6⤵
                • Executes dropped EXE
                PID:4992
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 588
                  7⤵
                  • Program crash
                  PID:2428
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3164
            • C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe
              "C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3368
              • 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
                • Suspicious use of SetWindowsHookEx
                PID:3376
                • C:\Windows\SysWOW64\install\server.exe
                  "C:\Windows\SysWOW64\install\server.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2320
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 564
                    7⤵
                    • Program crash
                    PID:2976
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 564
                    7⤵
                    • Program crash
                    PID:1876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4992 -ip 4992
        1⤵
          PID:2160
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2320 -ip 2320
          1⤵
            PID:3692

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            Filesize

            224KB

            MD5

            e52404f08e9187be66bcc9f7092ed35f

            SHA1

            963c4fd2d1adfa52041aea9e4777285f9b30c5ec

            SHA256

            1a2b061f599ec193be7091fffeadb8cb797a3856fcf4f3726f044a819f3b12f4

            SHA512

            8b7c55b97c2440b754d307b2a664bc44bed30c81c266559b329220bdb7ed6449528555f7f2eeca538a7608a6397a9b559a4fef189c78e281179f96be7cd6512b

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

            Filesize

            345KB

            MD5

            6ea49203166f1850b63635d550283586

            SHA1

            66452419b37aecd2bd6c9d0a3cff50798edf61b9

            SHA256

            9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

            SHA512

            9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

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

            Filesize

            345KB

            MD5

            6ea49203166f1850b63635d550283586

            SHA1

            66452419b37aecd2bd6c9d0a3cff50798edf61b9

            SHA256

            9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

            SHA512

            9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

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

            Filesize

            345KB

            MD5

            6ea49203166f1850b63635d550283586

            SHA1

            66452419b37aecd2bd6c9d0a3cff50798edf61b9

            SHA256

            9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

            SHA512

            9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

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

            Filesize

            345KB

            MD5

            6ea49203166f1850b63635d550283586

            SHA1

            66452419b37aecd2bd6c9d0a3cff50798edf61b9

            SHA256

            9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

            SHA512

            9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

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

            Filesize

            345KB

            MD5

            6ea49203166f1850b63635d550283586

            SHA1

            66452419b37aecd2bd6c9d0a3cff50798edf61b9

            SHA256

            9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

            SHA512

            9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

          • memory/2320-185-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/2320-187-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/3368-183-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/3368-164-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/3368-162-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/4280-151-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/4280-148-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/4760-140-0x0000000010410000-0x0000000010475000-memory.dmp

            Filesize

            404KB

          • memory/4760-137-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4760-135-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4760-163-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4760-152-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4760-145-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/4760-154-0x00000000104F0000-0x0000000010555000-memory.dmp

            Filesize

            404KB

          • memory/4760-159-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/4760-138-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4760-136-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4992-173-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4992-184-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4992-188-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB