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Analysis

  • max time kernel
    163s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 14:39

General

  • Target

    ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe

  • Size

    682KB

  • MD5

    23a2c07b8ee0f5f632d5815fdad00b47

  • SHA1

    c1a3c67536961e997708f287b7bc2550718f6431

  • SHA256

    ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c

  • SHA512

    713fc40390f72826a70a339cdaa8c3b449462b85339549c0f857cbf290d5b84cd28b62585ede2c99701479a442e8a88458a795c5c065c6b1b85367a8ba9f5c28

  • SSDEEP

    12288:GPOlfxGTJ91QGmxGJP3qdYONJUZCd8gOSKMj1Uj5:GPOlY7t0i3SJMCd8RS3jOl

Malware Config

Extracted

Family

cybergate

Version

2.7 Beta 02

Botnet

vítima

C2

epicuro.no-ip.org:81

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

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    manolotro

  • 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 10 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
  • Drops file in Program Files directory 5 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe
        "C:\Users\Admin\AppData\Local\Temp\ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4496
        • C:\Users\Admin\AppData\Local\Temp\ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe
          C:\Users\Admin\AppData\Local\Temp\ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1380
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4220
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:4892
            • C:\Users\Admin\AppData\Local\Temp\ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe
              "C:\Users\Admin\AppData\Local\Temp\ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:440
              • C:\Program Files (x86)\install\server.exe
                "C:\Program Files (x86)\install\server.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Program Files directory
                • Suspicious use of SetWindowsHookEx
                PID:6700
                • C:\Program Files (x86)\install\server.exe
                  "C:\Program Files (x86)\install\server.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:6732
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 6732 -s 532
                    7⤵
                    • Program crash
                    PID:6964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 6732 -ip 6732
        1⤵
          PID:6940

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\install\server.exe

          Filesize

          682KB

          MD5

          23a2c07b8ee0f5f632d5815fdad00b47

          SHA1

          c1a3c67536961e997708f287b7bc2550718f6431

          SHA256

          ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c

          SHA512

          713fc40390f72826a70a339cdaa8c3b449462b85339549c0f857cbf290d5b84cd28b62585ede2c99701479a442e8a88458a795c5c065c6b1b85367a8ba9f5c28

        • C:\Program Files (x86)\install\server.exe

          Filesize

          682KB

          MD5

          23a2c07b8ee0f5f632d5815fdad00b47

          SHA1

          c1a3c67536961e997708f287b7bc2550718f6431

          SHA256

          ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c

          SHA512

          713fc40390f72826a70a339cdaa8c3b449462b85339549c0f857cbf290d5b84cd28b62585ede2c99701479a442e8a88458a795c5c065c6b1b85367a8ba9f5c28

        • C:\Program Files (x86)\install\server.exe

          Filesize

          682KB

          MD5

          23a2c07b8ee0f5f632d5815fdad00b47

          SHA1

          c1a3c67536961e997708f287b7bc2550718f6431

          SHA256

          ac9a9e1e8dff4e4a11e77b44e98f76e0cb959e623f560cf76fe7cc7e36d8110c

          SHA512

          713fc40390f72826a70a339cdaa8c3b449462b85339549c0f857cbf290d5b84cd28b62585ede2c99701479a442e8a88458a795c5c065c6b1b85367a8ba9f5c28

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

          Filesize

          586KB

          MD5

          ba03b6abbc734f995654a2ca5915542c

          SHA1

          58c5ac8beac10835918033aff643089ae22c2c8e

          SHA256

          33dd68f3cd9d4428f4afda7766324589543ef77e2de8b5e334ab343c3df3b790

          SHA512

          d30c53bc2df1a206b5c615ef35ffbb0416fd8f0720c15f036f585e6425cb97c3ab77e023fa857808fa6b991063ec95946696fad4d7b797ed5267b79eb1b840a4

        • memory/440-187-0x0000000010530000-0x000000001058C000-memory.dmp

          Filesize

          368KB

        • memory/440-175-0x0000000010530000-0x000000001058C000-memory.dmp

          Filesize

          368KB

        • memory/1380-160-0x00000000104D0000-0x000000001052C000-memory.dmp

          Filesize

          368KB

        • memory/1380-139-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/1380-135-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/1380-147-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/1380-137-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/1380-141-0x0000000010410000-0x000000001046C000-memory.dmp

          Filesize

          368KB

        • memory/1380-168-0x0000000010530000-0x000000001058C000-memory.dmp

          Filesize

          368KB

        • memory/1380-174-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/1380-150-0x0000000010470000-0x00000000104CC000-memory.dmp

          Filesize

          368KB

        • memory/1380-138-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/4220-158-0x0000000010470000-0x00000000104CC000-memory.dmp

          Filesize

          368KB

        • memory/6732-184-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/6732-185-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/6732-186-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB

        • memory/6732-188-0x0000000000400000-0x00000000004AC000-memory.dmp

          Filesize

          688KB