Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 19:34

General

  • Target

    cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe

  • Size

    311KB

  • MD5

    a1ae6ded263b40837f428992c07edfdf

  • SHA1

    88b2e10d50d28347b177520f568f5cac1e232f13

  • SHA256

    cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4

  • SHA512

    a755c09cbf241a67b5c722f8486684ecbfbaa8c2503a6dce86514b6306de2968c8a785bb68d2b92cc08c96a06c1b4ae1c0432578b6388d277a17696f6c5574a1

  • SSDEEP

    6144:YbjEwsj2WEVIAcKWY3odLteaoV+oqtZGTbv18XgwAnsvNu6aRA1:YJsjaezDp8Yoc+98XunsU6f

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

rrrrrrrrrrrrrrrrrrrr

C2

127.0.0.1:288

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_dir

    sssssssssssssss

  • install_file

    windows.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    t?tulo da mensagem

  • password

    abcd1234

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 8 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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:2640
      • C:\Users\Admin\AppData\Local\Temp\cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe
        "C:\Users\Admin\AppData\Local\Temp\cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4152
        • C:\Users\Admin\AppData\Local\Temp\cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe
          C:\Users\Admin\AppData\Local\Temp\cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4924
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:364
          • C:\Users\Admin\AppData\Local\Temp\cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe
            "C:\Users\Admin\AppData\Local\Temp\cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4.exe"
            4⤵
            • Checks computer location settings
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3860
            • C:\Program Files (x86)\sssssssssssssss\windows.exe
              "C:\Program Files (x86)\sssssssssssssss\windows.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:1532
              • C:\Program Files (x86)\sssssssssssssss\windows.exe
                "C:\Program Files (x86)\sssssssssssssss\windows.exe"
                6⤵
                • Executes dropped EXE
                PID:4560
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 544
                  7⤵
                  • Program crash
                  PID:2348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4560 -ip 4560
      1⤵
        PID:572

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\sssssssssssssss\windows.exe

              Filesize

              311KB

              MD5

              a1ae6ded263b40837f428992c07edfdf

              SHA1

              88b2e10d50d28347b177520f568f5cac1e232f13

              SHA256

              cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4

              SHA512

              a755c09cbf241a67b5c722f8486684ecbfbaa8c2503a6dce86514b6306de2968c8a785bb68d2b92cc08c96a06c1b4ae1c0432578b6388d277a17696f6c5574a1

            • C:\Program Files (x86)\sssssssssssssss\windows.exe

              Filesize

              311KB

              MD5

              a1ae6ded263b40837f428992c07edfdf

              SHA1

              88b2e10d50d28347b177520f568f5cac1e232f13

              SHA256

              cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4

              SHA512

              a755c09cbf241a67b5c722f8486684ecbfbaa8c2503a6dce86514b6306de2968c8a785bb68d2b92cc08c96a06c1b4ae1c0432578b6388d277a17696f6c5574a1

            • C:\Program Files (x86)\sssssssssssssss\windows.exe

              Filesize

              311KB

              MD5

              a1ae6ded263b40837f428992c07edfdf

              SHA1

              88b2e10d50d28347b177520f568f5cac1e232f13

              SHA256

              cda6d356bac8e57db4f61998e0de6bd402782c49dd2912625619503d25a9f5b4

              SHA512

              a755c09cbf241a67b5c722f8486684ecbfbaa8c2503a6dce86514b6306de2968c8a785bb68d2b92cc08c96a06c1b4ae1c0432578b6388d277a17696f6c5574a1

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

              Filesize

              229KB

              MD5

              5be8bae4d399935f088e57d3befeaf28

              SHA1

              965463d4f1ffe89ee82197b96ac9daa1b5b70d69

              SHA256

              f71ae20887476c5252ed9fe0b65f602e67af80bb3fc1880839c6040745795818

              SHA512

              a274ab7e16a294558e1c5104eb0a114feb3c0928f556bf68de01f616790149b71fd003348d86a013c6adbe5ae95348a2ae423dffb018b210cf7f007e3616290c

            • memory/364-148-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/364-151-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3860-157-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/3860-170-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/3860-159-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/4560-169-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4560-168-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4924-138-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4924-158-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4924-154-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/4924-136-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4924-137-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4924-135-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/4924-140-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/4924-145-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB