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Analysis

  • max time kernel
    193s
  • max time network
    228s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 00:04

General

  • Target

    d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940.exe

  • Size

    276KB

  • MD5

    eed6b6a8bfefc17d144e6e26179fa650

  • SHA1

    f13ded6ff3f12ee3301ee6e2bb06cc50d7ab5563

  • SHA256

    d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940

  • SHA512

    06e22381810eca956ef46a0edef6707b3bcfd515b66f36d1071893345657ec55a670120ca2c85937ae9ea006c6b432319ec5a7cdcbef71480b9f7b9fe24a9313

  • SSDEEP

    6144:Kk4qmKQpYgh9AATiSbgo1hTslHqSfV0RdoGFSZrZj:V9G9A4prcqjSZ

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Kurban

C2

connect.cryptr.org:1454

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    google

  • install_file

    index.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    1453

  • regkey_hkcu

    Google

  • regkey_hklm

    Google

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Executes dropped EXE 2 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
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 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:964
      • C:\Users\Admin\AppData\Local\Temp\d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940.exe
        "C:\Users\Admin\AppData\Local\Temp\d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940.exe"
        2⤵
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
            PID:3528
            • C:\Program Files (x86)\google\index.exe
              "C:\Program Files (x86)\google\index.exe"
              4⤵
              • Executes dropped EXE
              PID:3868
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 572
                5⤵
                • Program crash
                PID:3976
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 572
                5⤵
                • Program crash
                PID:3120
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            3⤵
              PID:3448
            • C:\Users\Admin\AppData\Local\Temp\d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940.exe
              "C:\Users\Admin\AppData\Local\Temp\d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940.exe"
              3⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:4712
              • C:\Program Files (x86)\google\index.exe
                "C:\Program Files (x86)\google\index.exe"
                4⤵
                • Executes dropped EXE
                PID:4696
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 532
                  5⤵
                  • Program crash
                  PID:928
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 532
                  5⤵
                  • Program crash
                  PID:1032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3868 -ip 3868
          1⤵
            PID:1892
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 4696 -ip 4696
            1⤵
              PID:1580

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Program Files (x86)\Google\index.exe

              Filesize

              276KB

              MD5

              eed6b6a8bfefc17d144e6e26179fa650

              SHA1

              f13ded6ff3f12ee3301ee6e2bb06cc50d7ab5563

              SHA256

              d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940

              SHA512

              06e22381810eca956ef46a0edef6707b3bcfd515b66f36d1071893345657ec55a670120ca2c85937ae9ea006c6b432319ec5a7cdcbef71480b9f7b9fe24a9313

            • C:\Program Files (x86)\Google\index.exe

              Filesize

              276KB

              MD5

              eed6b6a8bfefc17d144e6e26179fa650

              SHA1

              f13ded6ff3f12ee3301ee6e2bb06cc50d7ab5563

              SHA256

              d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940

              SHA512

              06e22381810eca956ef46a0edef6707b3bcfd515b66f36d1071893345657ec55a670120ca2c85937ae9ea006c6b432319ec5a7cdcbef71480b9f7b9fe24a9313

            • C:\Program Files (x86)\google\index.exe

              Filesize

              276KB

              MD5

              eed6b6a8bfefc17d144e6e26179fa650

              SHA1

              f13ded6ff3f12ee3301ee6e2bb06cc50d7ab5563

              SHA256

              d25f55f47cb59e23c2e14eb461545ee4d08190e651a6a2e946b0d4a335345940

              SHA512

              06e22381810eca956ef46a0edef6707b3bcfd515b66f36d1071893345657ec55a670120ca2c85937ae9ea006c6b432319ec5a7cdcbef71480b9f7b9fe24a9313

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

              Filesize

              229KB

              MD5

              6140e884cd7e3f886ffbb35213545047

              SHA1

              2c22704bf7123c2f7daf770db248f814490932ba

              SHA256

              cb593a07369cc9ddcca7bc94b8ad7a7f76773074ebdd048aee3789259bf55c0f

              SHA512

              88a6b1897c00d95f07b204fb5076f8a3f54dcfb583bbce63d703f05b88eaf444353bf5dc865990f14c120d70c8f4c6522cd89797b45fde008c0f9f74374e75d6

            • memory/2340-160-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/2340-153-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/2340-134-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/2340-147-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/2340-139-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/2340-154-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/2340-132-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/3528-142-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3528-159-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3528-143-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3868-167-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/4696-166-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/4712-158-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/4712-163-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/4712-157-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/4712-152-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB