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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 02:32

General

  • Target

    5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.exe

  • Size

    831KB

  • MD5

    68d9978a180ea288d0404f1e04b64588

  • SHA1

    3973c24be6f0851cbfd6fffd083ca1ee6feaccb2

  • SHA256

    5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d

  • SHA512

    f0fb05efd155a35a30ef28ddcebce8958db3982b5a5e76bbe4383d9323c8b6a98e3c8a43bce970a3e27e2bbcd33b98cce049edc1eea52d76a24a90a4d5cd646c

  • SSDEEP

    12288:JSUbDlCJzdQpcDVG8R87zclHyfrQpwyW/PDJmmmKJ/WPdmEOdilIjUubKmFhekBx:Q++zSpn8RKFrJ3ZJ9IIgcfX/

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

discovery.no-ip.biz:81

Mutex

disco

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_file

    system32.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • 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 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
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 7 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3004
      • C:\Users\Admin\AppData\Local\Temp\5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.exe
        "C:\Users\Admin\AppData\Local\Temp\5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1296
        • C:\Users\Admin\AppData\Local\Temp\5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.exe
          "C:\Users\Admin\AppData\Local\Temp\5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.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:3992
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:3596
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:796
            • C:\Users\Admin\AppData\Local\Temp\5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.exe
              "C:\Users\Admin\AppData\Local\Temp\5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d.exe"
              4⤵
              • Checks computer location settings
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1988
              • C:\Documents and Settings\All Users\Start Menu\Programs\Startup\system32.exe
                "C:\Documents and Settings\All Users\Start Menu\Programs\Startup\system32.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:1944
                • C:\Documents and Settings\All Users\Start Menu\Programs\Startup\system32.exe
                  "C:\Documents and Settings\All Users\Start Menu\Programs\Startup\system32.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2988
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 532
                    7⤵
                    • Program crash
                    PID:2656
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2988 -ip 2988
        1⤵
          PID:2780

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Documents and Settings\All Users\Start Menu\Programs\Startup\system32.exe

          Filesize

          831KB

          MD5

          68d9978a180ea288d0404f1e04b64588

          SHA1

          3973c24be6f0851cbfd6fffd083ca1ee6feaccb2

          SHA256

          5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d

          SHA512

          f0fb05efd155a35a30ef28ddcebce8958db3982b5a5e76bbe4383d9323c8b6a98e3c8a43bce970a3e27e2bbcd33b98cce049edc1eea52d76a24a90a4d5cd646c

        • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\system32.exe

          Filesize

          831KB

          MD5

          68d9978a180ea288d0404f1e04b64588

          SHA1

          3973c24be6f0851cbfd6fffd083ca1ee6feaccb2

          SHA256

          5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d

          SHA512

          f0fb05efd155a35a30ef28ddcebce8958db3982b5a5e76bbe4383d9323c8b6a98e3c8a43bce970a3e27e2bbcd33b98cce049edc1eea52d76a24a90a4d5cd646c

        • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\system32.exe

          Filesize

          831KB

          MD5

          68d9978a180ea288d0404f1e04b64588

          SHA1

          3973c24be6f0851cbfd6fffd083ca1ee6feaccb2

          SHA256

          5e91044e7e41f2d56b05553a6a19448a1857e7616821cc2e1f8495aedf5dd53d

          SHA512

          f0fb05efd155a35a30ef28ddcebce8958db3982b5a5e76bbe4383d9323c8b6a98e3c8a43bce970a3e27e2bbcd33b98cce049edc1eea52d76a24a90a4d5cd646c

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

          Filesize

          230KB

          MD5

          4f94a25b5139ea03e5357bcc73c78152

          SHA1

          9807af21b8fc8463017f325501ae2bbbdfa51738

          SHA256

          60ef4d23110594cc6a4090d61e69e7c9245eb4bc74083744abd8de51fbd626a1

          SHA512

          7c1435c83c601058d49a5793cf2d4ee95765064bcd2b716a16baefeece1a3153fdcae1b5fd2c17288e7bc653ab3f84bb6b4291ee0fac72c251f73bcebe1c3e11

        • C:\Users\Admin\AppData\Local\Temp\__PE-SCRYPTED.BIN

          Filesize

          283KB

          MD5

          a69fe3c588d871898b3bb448c1013c8d

          SHA1

          3a47497faa85753c7366a39fce3bc6a62dab3d0c

          SHA256

          ac1d3b0dbcb7a7e0a4b7eb8a30372ff76c488e94e7f5b6f9caaf259b092deccc

          SHA512

          ead891e62f406b42f0d8f86a4cfc1270cde207d261d0558eda9da145b14f7bbed5e15567ab3fb7131193faaf5f54952f23e336e618820c73627ff6572c77b3d0

        • memory/1296-133-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/1296-134-0x0000000000940000-0x0000000000944000-memory.dmp

          Filesize

          16KB

        • memory/1296-135-0x0000000000980000-0x00000000009B9000-memory.dmp

          Filesize

          228KB

        • memory/1296-137-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/1296-132-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/1296-140-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/1296-141-0x0000000000980000-0x00000000009B9000-memory.dmp

          Filesize

          228KB

        • memory/1944-178-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/1944-171-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/1944-179-0x0000000000900000-0x0000000000939000-memory.dmp

          Filesize

          228KB

        • memory/1988-166-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/1988-181-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/1988-168-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/2988-177-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB

        • memory/2988-180-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB

        • memory/3596-156-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/3596-153-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/3992-167-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB

        • memory/3992-163-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/3992-158-0x00000000240F0000-0x0000000024152000-memory.dmp

          Filesize

          392KB

        • memory/3992-150-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/3992-145-0x0000000024010000-0x0000000024072000-memory.dmp

          Filesize

          392KB

        • memory/3992-143-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB

        • memory/3992-142-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB

        • memory/3992-139-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB

        • memory/3992-138-0x00000000000C0000-0x000000000010E000-memory.dmp

          Filesize

          312KB