Analysis

  • max time kernel
    235s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 20 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
  • 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:1252
      • 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:748
        • 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:2036
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1492
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:860
            • C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.EXE
              "C:\Users\Admin\AppData\Local\Temp\fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784.EXE"
              4⤵
              • Loads dropped DLL
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:324
              • C:\Windows\Temp\server.exe
                "C:\Windows\Temp\server.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1744
                • C:\Windows\Temp\server.EXE
                  6⤵
                  • Executes dropped EXE
                  PID:996

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      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

      • \Windows\Temp\server.exe
        Filesize

        1.7MB

        MD5

        25c60d01d2afb05604caf30847b415c1

        SHA1

        5975ade689018cd62bb3d9d998f6d89a2559f59a

        SHA256

        fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784

        SHA512

        0c7bdf791253da49e5fb4594a68d5ef9e1bdb453a066b3cc2d8715e0ba7e459c9d8970c445c66c5a3133a40dba2066920494c92335f12847493e11052ae0ca73

      • \Windows\Temp\server.exe
        Filesize

        1.7MB

        MD5

        25c60d01d2afb05604caf30847b415c1

        SHA1

        5975ade689018cd62bb3d9d998f6d89a2559f59a

        SHA256

        fc0834464c13c55ca20b5028f8c4c8e7c4e1781a044c0e88b7d001ccf4370784

        SHA512

        0c7bdf791253da49e5fb4594a68d5ef9e1bdb453a066b3cc2d8715e0ba7e459c9d8970c445c66c5a3133a40dba2066920494c92335f12847493e11052ae0ca73

      • memory/324-95-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/324-112-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/324-88-0x0000000000000000-mapping.dmp
      • memory/324-97-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/996-111-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/996-105-0x0000000000455BD0-mapping.dmp
      • memory/996-109-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/996-110-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/996-113-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/996-114-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/1252-68-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1492-71-0x0000000000000000-mapping.dmp
      • memory/1492-73-0x0000000074F11000-0x0000000074F13000-memory.dmp
        Filesize

        8KB

      • memory/1492-82-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1492-79-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1744-100-0x0000000000000000-mapping.dmp
      • memory/2036-74-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/2036-90-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/2036-65-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/2036-96-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2036-56-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2036-84-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/2036-63-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2036-62-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2036-61-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2036-60-0x0000000075E01000-0x0000000075E03000-memory.dmp
        Filesize

        8KB

      • memory/2036-59-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2036-57-0x0000000000455BD0-mapping.dmp