Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 02:01

General

  • Target
    2026-08-03_f92369e9397337af0ae45b448e3251cf_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
  • Size 5.8MB
  • Sample260803-cf3vwswdpg
  • SHA256 c3e202666ab5ce70778f8393ccfecc1c69e6b40a7cdf262dd89d46964d0e67bc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_f92369e9397337af0ae45b448e3251cf_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_f92369e9397337af0ae45b448e3251cf_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5844
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:624
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WerFault.exe.lnk'); $Shortcut.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\WerFault.exe'; $Shortcut.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $Shortcut.Description = 'Windows Error Reporting Service'; $Shortcut.Save();"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4860
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /tn "WindowsErrorReporting" /tr "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe" /sc hourly /mo 2 /ru "USJNCXJL\Admin" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:264
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      PID:5192
  • C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:5684
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3444
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WerFault.exe.lnk'); $Shortcut.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\WerFault.exe'; $Shortcut.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $Shortcut.Description = 'Windows Error Reporting Service'; $Shortcut.Save();"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5260
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /tn "WindowsErrorReporting" /tr "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe" /sc hourly /mo 2 /ru "USJNCXJL\Admin" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4504
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      PID:4828
  • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
    C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
    1⤵
    • Executes dropped EXE
    PID:4788
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1784

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          WerFault.exe

          • Path C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
          • Size 5.8MB
          • SHA256 c3e202666ab5ce70778f8393ccfecc1c69e6b40a7cdf262dd89d46964d0e67bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          werdata.db

          • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
          • Size 184KB
          • SHA256 2c94719491cf270604dca5aea5655ced75f86d03dc606a08a165bf2127caf46a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          werdata.db

          • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
          • Size 184KB
          • SHA256 2d6566ad9ae1ba1113a3359bbceb8dceba2e1e875be02728caf7e535568667a9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 0aa488a62b6da6fdbdfc5e548c8bd1bd9b1e078de4877d3f5b7cd69c59b96ee1
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_sou0xpn4.u1j.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sou0xpn4.u1j.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          WerFault.exe.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WerFault.exe.lnk
          • Size 1KB
          • SHA256 d082f71b3c155259b6f3e0e6967bf7a82fcd32dd17c3f0d1afc5c36fb6159f83
          • MD5 SHA1 SHA512 TLSH

          memory/624-9-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-23-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-11-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-12-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-16-0x00000238B9690000-0x00000238B9742000-memory.dmp

          memory/624-15-0x00000238A1110000-0x00000238A112E000-memory.dmp

          memory/624-17-0x00000238B9750000-0x00000238B975A000-memory.dmp

          memory/624-18-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-19-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-20-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-21-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-10-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-0-0x00007FFCEA29F000-0x00007FFCEA2A0000-memory.dmp

          memory/624-8-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-7-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-3-0x00000238A10A0000-0x00000238A10C2000-memory.dmp

          memory/624-6-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-5-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/624-4-0x00007FFCEA110000-0x00007FFCEAAB4000-memory.dmp

          memory/3444-45-0x0000012EF72E0000-0x0000012EF7392000-memory.dmp

          memory/4828-56-0x0000021875950000-0x000002187597F000-memory.dmp

          memory/5192-34-0x000002DB613F0000-0x000002DB6141F000-memory.dmp