Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 09:25

General

  • Target
    2026-07-31_61e1b5ae8bc5289b5bc1a0b8224499e3_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
  • Size 5.8MB
  • Sample260731-ld1gesdn4z
  • SHA256 f01cececc49ac46df8f29fba4fb099b7b8f694e5b32103c9546d52d8ed62adc8
  • 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 and hide display window.

  • 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.

  • 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).

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_61e1b5ae8bc5289b5bc1a0b8224499e3_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_61e1b5ae8bc5289b5bc1a0b8224499e3_coinminer_dosia_glassworm_poet-rat_quasar-rat_snatch.exe"
    1⤵
    • Modifies trusted root certificate store through registry
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4192
    • 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:3840
    • 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'; $Shortcut.Save();"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5964
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:3200
  • C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4964
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "$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:1096
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Executes dropped EXE
      PID:4296

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 f01cececc49ac46df8f29fba4fb099b7b8f694e5b32103c9546d52d8ed62adc8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        werdata.db

        • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
        • Size 9.3MB
        • SHA256 d5eaaf4aa4e76990a57361b1c75011dee9674c4888833b337695529ff9fb157b
        • 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 858acdb8676d64845c57816b4a70cbba05c24841677e899c3325cc692f03f82e
        • 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_jrbacjkv.s1f.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jrbacjkv.s1f.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 cb7cab1f9ea75219c1d7b42e543a33359cb41a385ede8c8960babd97e2e5035c
        • MD5 SHA1 SHA512 TLSH

        memory/3200-40-0x000001EA716A0000-0x000001EA756C7000-memory.dmp

        memory/3200-38-0x000001EA6C4A0000-0x000001EA6D06F000-memory.dmp

        memory/3840-12-0x00000176F7D30000-0x00000176F7D4E000-memory.dmp

        memory/3840-0-0x00007FFCC5E2F000-0x00007FFCC5E30000-memory.dmp

        memory/3840-16-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-17-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-18-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-19-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-20-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-21-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-22-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-23-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-25-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-14-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-13-0x00000176F7FA0000-0x00000176F8052000-memory.dmp

        memory/3840-15-0x00000176F7D20000-0x00000176F7D2A000-memory.dmp

        memory/3840-9-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-8-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-39-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-7-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-6-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-5-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-4-0x00000176F7CA0000-0x00000176F7CC2000-memory.dmp

        memory/3840-1-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/3840-60-0x00007FFCC5CA0000-0x00007FFCC6644000-memory.dmp

        memory/4296-58-0x00000201D1470000-0x00000201D5497000-memory.dmp

        memory/4296-59-0x00000201CC1D0000-0x00000201CCD9F000-memory.dmp