Analysis

  • user interaction
    yes
  • max time kernel
    116s
  • max time network
    118s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-es
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-eslocale:es-esos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/10/2026, 23:07

General

  • Target
    start.bat
  • Size 90B
  • Sample261029-232nsagy7j
  • SHA256 88ebe6fc9f45e734243dd674a3cdd9222be692bde089d0bc06726dd32156b892
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 21 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • UPX packed file 9 IoCs

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

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 8 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 9 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 4 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\start.bat"
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\run.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} --sfx
      2⤵
      • Badlisted process makes network request
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5896
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 kernel32,Sleep
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1664
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "netsh advfirewall firewall delete rule name="DriverPack aria2c.exe" || echo Done & call echo Done %^errorLevel% > "C:\Users\Admin\AppData\Roaming\DRPSu\temp\run_command_9245.txt""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2376
        • C:\Windows\SysWOW64\netsh.exe
          netsh advfirewall firewall delete rule name="DriverPack aria2c.exe"
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1112
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "netsh advfirewall firewall add rule name="DriverPack aria2c.exe" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\tools\aria2c.exe" || echo Done & call echo Done %^errorLevel% > "C:\Users\Admin\AppData\Roaming\DRPSu\temp\run_command_91658.txt""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5700
        • C:\Windows\SysWOW64\netsh.exe
          netsh advfirewall firewall add rule name="DriverPack aria2c.exe" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\tools\aria2c.exe"
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:4356
      • C:\Windows\SysWOW64\wscript.exe
        "C:\Windows\System32\wscript.exe" //B prepare.js binaries
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5192
      • C:\Windows\SysWOW64\PING.EXE
        "C:\Windows\System32\PING.EXE" -n 3 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4776
      • C:\Windows\SysWOW64\wscript.exe
        "C:\Windows\System32\wscript.exe" //B prepare.js binaries
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1308
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ""tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/intro.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_40847.log" & echo DONE > "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_finished_40847.txt""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:5908
        • C:\Users\Admin\AppData\Local\Temp\tools\driverpack-wget.exe
          "tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/intro.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_40847.log"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:5304
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ""tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/START-INITIAL-1.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_58306.log" & echo DONE > "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_finished_58306.txt""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2924
        • C:\Users\Admin\AppData\Local\Temp\tools\driverpack-wget.exe
          "tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/START-INITIAL-1.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_58306.log"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:5336
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ""tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/START-LOADED-1.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_61509.log" & echo DONE > "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_finished_61509.txt""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:5816
        • C:\Users\Admin\AppData\Local\Temp\tools\driverpack-wget.exe
          "tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/START-LOADED-1.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_61509.log"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1572
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ""tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/START-SETUP-1.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_77187.log" & echo DONE > "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_finished_77187.txt""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:720
        • C:\Users\Admin\AppData\Local\Temp\tools\driverpack-wget.exe
          "tools\driverpack-wget.exe" --tries=3 --timeout 5 --retry-connrefused --wait=5 --timestamping --directory-prefix="C:\Users\Admin\AppData\Local\Temp\audio\en" "http://download.driverpack.io/assistant/beetle/audio/en/START-SETUP-1.mp3" -o "C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_log_77187.log"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:5552
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4324
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\start.bat" "
      1⤵
      • Executes a command shell one-liner
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\run.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} --sfx
        2⤵
        • Badlisted process makes network request
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:5808
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4916
      • C:\Windows\System32\NOTEPAD.EXE
        "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\start.bat
        1⤵
        • Opens file in notepad (likely ransom note)
        PID:3548

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            7EA000834979670238CA53F930961D55

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7EA000834979670238CA53F930961D55
            • Size 310B
            • SHA256 dd5f751b05368e2657b9ea9b43b48d5bd7d432718239eaef5c4e01800fe9371a
            • MD5 SHA1 SHA512 TLSH

            8B2B9A00839EED1DFDCCC3BFC2F5DF12

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
            • Size 1KB
            • SHA256 791735e52af30a1c6a750df3837784a34cfe763332e5b45acfd731ddaa159b83
            • MD5 SHA1 SHA512 TLSH

            B46811C17859FFB409CF0E904A4AA8F8

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
            • Size 529B
            • SHA256 39c727d70b8bdf5fc324233d0823555eb66ce846119609a22d1cebedbc3cf80c
            • MD5 SHA1 SHA512 TLSH

            7EA000834979670238CA53F930961D55

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7EA000834979670238CA53F930961D55
            • Size 192B
            • SHA256 ff21792970f3ad5582b271ff9a5f58a43f32aecb9d4be167d5566c6246df4a5f
            • MD5 SHA1 SHA512 TLSH

            8B2B9A00839EED1DFDCCC3BFC2F5DF12

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
            • Size 174B
            • SHA256 9844a6cee68ef72f05c87794f0f58b1850430fc2c404dbb1fadf73525e191714
            • MD5 SHA1 SHA512 TLSH

            B46811C17859FFB409CF0E904A4AA8F8

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
            • Size 170B
            • SHA256 4488e434edb9d80746686e7e6223f4f09557aebd3104d7e5c44d22be7bedec7c
            • MD5 SHA1 SHA512 TLSH

            collect[1].gif

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S4MXVBLB\collect[1].gif
            • Size 35B
            • SHA256 8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
            • MD5 SHA1 SHA512

            sync_cookie_image_check[1].gif

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S4MXVBLB\sync_cookie_image_check[1].gif
            • Size 43B
            • SHA256 548f2d6f4d0d820c6c5ffbeffcbd7f0e73193e2932eefe542accc84762deec87
            • MD5 SHA1 SHA512

            allfont[1].htm

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\U8AUWZTD\allfont[1].htm
            • Size 178B
            • SHA256 2215b6324712a5453264d05ba2a50d3475a3aca173dfe1bbc46d711722487089
            • MD5 SHA1 SHA512 TLSH

            run_command_91658.txt

            • Path C:\Users\Admin\AppData\Roaming\DRPSu\temp\run_command_91658.txt
            • Size 9B
            • SHA256 51e6af14fa1e9032300dbf76a85cb8561e523e89c363cec09cdc2128801a191d
            • MD5 SHA1 SHA512

            run_command_9245.txt

            • Path C:\Users\Admin\AppData\Roaming\DRPSu\temp\run_command_9245.txt
            • Size 9B
            • SHA256 195418a93d769a17558aa804568eff487979e62d0731aa8c63d8d0ffc1723321
            • MD5 SHA1 SHA512

            wget_finished_77187.txt

            • Path C:\Users\Admin\AppData\Roaming\DRPSu\temp\wget_finished_77187.txt
            • Size 7B
            • SHA256 9a25234ae91ada142892f61bb4a52640d8854872909068b7b1c307a8e16591ed
            • MD5 SHA1 SHA512

            memory/1572-83-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/1572-93-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5304-80-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5304-96-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5304-81-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5336-82-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5336-94-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5552-88-0x0000000000400000-0x00000000004EF000-memory.dmp

            memory/5552-97-0x0000000000400000-0x00000000004EF000-memory.dmp