Analysis

  • max time kernel
    156s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 09:23

General

  • Target

    fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.exe

  • Size

    1.7MB

  • MD5

    25c60d01d2afb05604caf30847b415c1

  • SHA1

    5975ade689018cd62bb3d9d998f6d89a2559f59a

  • SHA256

    fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784

  • SHA512

    0c7bdf791253da49e5fb4594a68d5ef9e1bdb453a066b3cc2d8715e0ba7e459c9d8970c445c66c5a3133a40dba2066920494c92335f12847493e11052ae0ca73

  • SSDEEP

    12288:8Uo25Z+XllMZg6+fwiQfk3owgMwJowCoZg6WK+Xl+25/45SwOX4w+Bnujt9CKsrD:8R7l6+fwiQokJowCR6WNsOr+cjrliVhz

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

1

C2

habbo-fu.sytes.net:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Temp

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    Win32

  • regkey_hklm

    Win32

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 19 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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:2640
      • C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.exe
        "C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3484
        • C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.EXE
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:620
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4812
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:4492
            • C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.EXE
              "C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.EXE"
              4⤵
              • Checks computer location settings
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2612
              • C:\Windows\Temp\server.exe
                "C:\Windows\Temp\server.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1044
                • C:\Windows\Temp\server.EXE
                  6⤵
                  • Executes dropped EXE
                  PID:4328
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 536
                    7⤵
                    • Program crash
                    PID:3724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4328 -ip 4328
        1⤵
          PID:3004

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        3
        T1060

        Defense Evasion

        Modify Registry

        3
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          229KB

          MD5

          b8aa2c62628cf76ca4f13af0601082f3

          SHA1

          bfe61d00fbe10f89974e5fa7f8527fa653aaa89a

          SHA256

          c449096b31f5f8d8e3b6f5eacbbc3767f31fbeafd5a7530c955371f61252e49a

          SHA512

          4c26a5fc7c50362ec82a5da25ef8a72d7f703a07e4a062a8f8c0b20eadf8e002f485b93d7fcb34e2681bdfa9acee4573d021bf754c812039a6462b31dea7c590

        • C:\Windows\Temp\server.exe
          Filesize

          1.7MB

          MD5

          25c60d01d2afb05604caf30847b415c1

          SHA1

          5975ade689018cd62bb3d9d998f6d89a2559f59a

          SHA256

          fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784

          SHA512

          0c7bdf791253da49e5fb4594a68d5ef9e1bdb453a066b3cc2d8715e0ba7e459c9d8970c445c66c5a3133a40dba2066920494c92335f12847493e11052ae0ca73

        • C:\Windows\Temp\server.exe
          Filesize

          1.7MB

          MD5

          25c60d01d2afb05604caf30847b415c1

          SHA1

          5975ade689018cd62bb3d9d998f6d89a2559f59a

          SHA256

          fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784

          SHA512

          0c7bdf791253da49e5fb4594a68d5ef9e1bdb453a066b3cc2d8715e0ba7e459c9d8970c445c66c5a3133a40dba2066920494c92335f12847493e11052ae0ca73

        • C:\Windows\Temp\server.exe
          Filesize

          1.7MB

          MD5

          25c60d01d2afb05604caf30847b415c1

          SHA1

          5975ade689018cd62bb3d9d998f6d89a2559f59a

          SHA256

          fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784

          SHA512

          0c7bdf791253da49e5fb4594a68d5ef9e1bdb453a066b3cc2d8715e0ba7e459c9d8970c445c66c5a3133a40dba2066920494c92335f12847493e11052ae0ca73

        • memory/620-147-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/620-141-0x0000000024010000-0x0000000024072000-memory.dmp
          Filesize

          392KB

        • memory/620-139-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/620-146-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/620-164-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/620-138-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/620-137-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/620-135-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/620-155-0x00000000240F0000-0x0000000024152000-memory.dmp
          Filesize

          392KB

        • memory/620-134-0x0000000000000000-mapping.dmp
        • memory/620-160-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/1044-166-0x0000000000000000-mapping.dmp
        • memory/2612-159-0x0000000000000000-mapping.dmp
        • memory/2612-163-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/2612-165-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/2612-178-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/4328-170-0x0000000000000000-mapping.dmp
        • memory/4328-174-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/4328-176-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/4328-175-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/4328-177-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/4812-153-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/4812-150-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/4812-145-0x0000000000000000-mapping.dmp