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Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 06:11

General

  • Target

    b6b4b6e8298cf20c5b3a4c601f81cc82.exe

  • Size

    328KB

  • MD5

    b6b4b6e8298cf20c5b3a4c601f81cc82

  • SHA1

    eba6e67d96dc5a6877d57edb3bcd5ccc752c87bd

  • SHA256

    7fa913754340287dd08a5c6e1623973daae180264bd25aa4bd4ee228943e2de6

  • SHA512

    84c1ee603b5c8d774bf8a955393384e1c83b469c02ae6eb02e52ab366b9e4c20a062fd16fb04ecc0ae8eb81d7d5ed59e565417e8eb78a000a4ec4f33eede1d3d

  • SSDEEP

    6144:dg8/U4hXgv5fEgPWkAqc0oeSikk6W35/zTBfIphJGyaXJcj+z:pHhmB+Yc0oeSikJ40JOcjc

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

naruto150493

C2

cmere.no-ip.biz:8080

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Win32

  • install_file

    fotito.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    La imagen no p

  • message_box_title

    Imagen no valida

  • password

    sasuke93

  • 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
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 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:3528
      • C:\Users\Admin\AppData\Local\Temp\b6b4b6e8298cf20c5b3a4c601f81cc82.exe
        "C:\Users\Admin\AppData\Local\Temp\b6b4b6e8298cf20c5b3a4c601f81cc82.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4988
        • C:\Users\Admin\AppData\Local\Temp\b6b4b6e8298cf20c5b3a4c601f81cc82.exe
          C:\Users\Admin\AppData\Local\Temp\b6b4b6e8298cf20c5b3a4c601f81cc82.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4500
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4580
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3220
            • C:\Users\Admin\AppData\Local\Temp\b6b4b6e8298cf20c5b3a4c601f81cc82.exe
              "C:\Users\Admin\AppData\Local\Temp\b6b4b6e8298cf20c5b3a4c601f81cc82.exe"
              4⤵
              • Checks computer location settings
              • Modifies registry class
              PID:4884
              • C:\Windows\Win32\fotito.exe
                "C:\Windows\Win32\fotito.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:2656
                • C:\Windows\Win32\fotito.exe
                  C:\Windows\Win32\fotito.exe
                  6⤵
                  • Executes dropped EXE
                  PID:4832
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 532
                    7⤵
                    • Program crash
                    PID:4856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4832 -ip 4832
        1⤵
          PID:1640
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3804 --field-trial-handle=2260,i,3303482231723870786,2954015409682154873,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:2780

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            240KB

            MD5

            172be4b989f16cc0de6d87c76505da97

            SHA1

            c4ee460ac851460308be8cd7cfc4e3066db6dbaa

            SHA256

            32eb0ca4ddd208bb116cd1a4ec40c3d80c0638d325f63767c6cdb7591e17d4cd

            SHA512

            003917b9423cb3c4c853f316a3ce847eff96115a577a1bb1581e92cc2df1acbde9b88ab20dceb8035042182f72e091f6869b9f7c84206c867dcf0d2abc47a277

          • C:\Windows\Win32\fotito.exe

            Filesize

            328KB

            MD5

            b6b4b6e8298cf20c5b3a4c601f81cc82

            SHA1

            eba6e67d96dc5a6877d57edb3bcd5ccc752c87bd

            SHA256

            7fa913754340287dd08a5c6e1623973daae180264bd25aa4bd4ee228943e2de6

            SHA512

            84c1ee603b5c8d774bf8a955393384e1c83b469c02ae6eb02e52ab366b9e4c20a062fd16fb04ecc0ae8eb81d7d5ed59e565417e8eb78a000a4ec4f33eede1d3d

          • memory/2656-203-0x0000000000400000-0x000000000040F000-memory.dmp

            Filesize

            60KB

          • memory/4500-3-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4500-5-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4500-7-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4500-8-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4500-12-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/4500-152-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4500-95-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4500-72-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4580-77-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4580-17-0x0000000001430000-0x0000000001431000-memory.dmp

            Filesize

            4KB

          • memory/4580-16-0x0000000001170000-0x0000000001171000-memory.dmp

            Filesize

            4KB

          • memory/4580-196-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4832-202-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4832-233-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4884-91-0x0000000000400000-0x000000000040F000-memory.dmp

            Filesize

            60KB

          • memory/4884-148-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/4884-245-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/4988-0-0x0000000000400000-0x000000000040F000-memory.dmp

            Filesize

            60KB

          • memory/4988-6-0x0000000000400000-0x000000000040F000-memory.dmp

            Filesize

            60KB