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Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 21:58

General

  • Target

    8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0.exe

  • Size

    415KB

  • MD5

    6aa1a81f56faae2bab4f431ffc5093de

  • SHA1

    0adcbde8448f11bcce2e893e56ba76c2e0cd0a8e

  • SHA256

    8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0

  • SHA512

    1bffbdf08d092edbbc7d492231d9c1de5e30bf64e8b3a0b9ef0bf58625549d9d7be5585486928ff543230d43e1abda2ca6f0557e36a7b844d7dde78116fe8c19

  • SSDEEP

    12288:GSYEiHfn/AqLOfx7KQdQJs55e/Bta0b01U+:ZqAxTuQM/Ks01D

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Teste

C2

coquetelmoltof.no-ip.org:888

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    explorer.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 1 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
  • 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2824
      • C:\Users\Admin\AppData\Local\Temp\8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0.exe
        "C:\Users\Admin\AppData\Local\Temp\8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:4932
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:4128
          • C:\Users\Admin\AppData\Local\Temp\8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0.exe
            "C:\Users\Admin\AppData\Local\Temp\8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0.exe"
            3⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:5004
            • C:\dir\install\install\explorer.exe
              "C:\dir\install\install\explorer.exe"
              4⤵
              • Executes dropped EXE
              PID:4348
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 616
                5⤵
                • Program crash
                PID:1664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
        1⤵
          PID:3964

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          229KB

          MD5

          8640f42aad43d95dad20bf28dea4aad2

          SHA1

          da39034f091f8ac59b0e30cd399ebe3ebb4ea634

          SHA256

          540894b60c732e09815f42fbedffe43f17d13a9743ad83fcec0b5efdc0c70b1a

          SHA512

          2ace5e39f9effb7f73101309cab5b69bd774e696b599c7e2dfd4d8bae5528844fdc172ad00a27ecc84f5560091974dcce2c55dd6990815aab6b66320f66e9710

        • C:\dir\install\install\explorer.exe

          Filesize

          415KB

          MD5

          6aa1a81f56faae2bab4f431ffc5093de

          SHA1

          0adcbde8448f11bcce2e893e56ba76c2e0cd0a8e

          SHA256

          8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0

          SHA512

          1bffbdf08d092edbbc7d492231d9c1de5e30bf64e8b3a0b9ef0bf58625549d9d7be5585486928ff543230d43e1abda2ca6f0557e36a7b844d7dde78116fe8c19

        • \??\c:\dir\install\install\explorer.exe

          Filesize

          415KB

          MD5

          6aa1a81f56faae2bab4f431ffc5093de

          SHA1

          0adcbde8448f11bcce2e893e56ba76c2e0cd0a8e

          SHA256

          8e475dfa209eb12c6759d4f31d46ce747234ceb2559193a6c20795503c0ba8b0

          SHA512

          1bffbdf08d092edbbc7d492231d9c1de5e30bf64e8b3a0b9ef0bf58625549d9d7be5585486928ff543230d43e1abda2ca6f0557e36a7b844d7dde78116fe8c19

        • memory/2676-148-0x00000000240F0000-0x0000000024152000-memory.dmp

          Filesize

          392KB

        • memory/2676-135-0x0000000024010000-0x0000000024072000-memory.dmp

          Filesize

          392KB

        • memory/2676-132-0x0000000000400000-0x000000000081C000-memory.dmp

          Filesize

          4.1MB

        • memory/2676-133-0x0000000002870000-0x0000000002960000-memory.dmp

          Filesize

          960KB

        • memory/2676-158-0x0000000002870000-0x0000000002960000-memory.dmp

          Filesize

          960KB

        • memory/2676-157-0x0000000000400000-0x000000000081C000-memory.dmp

          Filesize

          4.1MB

        • memory/2676-140-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/2676-153-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/4348-163-0x0000000000400000-0x000000000081C000-memory.dmp

          Filesize

          4.1MB

        • memory/4348-164-0x00000000027D0000-0x00000000028C0000-memory.dmp

          Filesize

          960KB

        • memory/4348-165-0x0000000000400000-0x000000000081C000-memory.dmp

          Filesize

          4.1MB

        • memory/4932-146-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/4932-143-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/5004-156-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/5004-160-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/5004-159-0x0000000000400000-0x000000000081C000-memory.dmp

          Filesize

          4.1MB

        • memory/5004-166-0x0000000000400000-0x000000000081C000-memory.dmp

          Filesize

          4.1MB

        • memory/5004-167-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB