Overview

overview

10

Static

static

10

2026-04-26...t_.exe

windows10-2004-x64

9

2026-04-26...t_.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    26/04/2026, 04:48

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General

  • Target
    2026-04-26_c228e42bcd45510b5047168d45375f06_byakugan_cobalt-strike_coinminer_glassworm_icedid_njrat_.exe
  • Size 47.9MB
  • Sample260426-fe63psdz2v
  • SHA256 1a614f974b95a43ae79cf7c9d9960d3d12116c12499abb3ccb6e97dfd675340e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
executionpersistence

Malware Config

Signatures

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell and hide display window.

    execution
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 12 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-26_c228e42bcd45510b5047168d45375f06_byakugan_cobalt-strike_coinminer_glassworm_icedid_njrat_.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-26_c228e42bcd45510b5047168d45375f06_byakugan_cobalt-strike_coinminer_glassworm_icedid_njrat_.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -Name 'WindowsSecurityService' -Value 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe' -PropertyType String -Force""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -Name 'WindowsSecurityService' -Value 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe' -PropertyType String -Force"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2088
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command "$WshShell = New-Object -comObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSecurity.lnk'); $Shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe'; $Shortcut.WorkingDirectory = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security'; $Shortcut.WindowStyle = 7; $Shortcut.Save()""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3292
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "$WshShell = New-Object -comObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSecurity.lnk'); $Shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe'; $Shortcut.WorkingDirectory = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security'; $Shortcut.WindowStyle = 7; $Shortcut.Save()"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops startup file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2148
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "schtasks /create /tn "WindowsSecurityUpdate" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe" /sc onlogon /rl highest /f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "WindowsSecurityUpdate" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe" /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:444
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe
    C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -Name 'WindowsSecurityService' -Value 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe' -PropertyType String -Force""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -Name 'WindowsSecurityService' -Value 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe' -PropertyType String -Force"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1200
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command "$WshShell = New-Object -comObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSecurity.lnk'); $Shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe'; $Shortcut.WorkingDirectory = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security'; $Shortcut.WindowStyle = 7; $Shortcut.Save()""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5108
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "$WshShell = New-Object -comObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSecurity.lnk'); $Shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe'; $Shortcut.WorkingDirectory = 'C:\Users\Admin\AppData\Local\Microsoft\Windows\Security'; $Shortcut.WindowStyle = 7; $Shortcut.Save()"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops startup file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2728
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "schtasks /create /tn "WindowsSecurityUpdate" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe" /sc onlogon /rl highest /f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "WindowsSecurityUpdate" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe" /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4844

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        powershell.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 026d1569cc7d92522224cb7202b04adbf0978279191ab5814949d1ff9d618a6e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 1081c6b484e3ce0572ea539029bc598ee7870cf099c5585bd52fbeee220c56b7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        SecurityService.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Security\SecurityService.exe
        • Size 47.9MB
        • SHA256 1a614f974b95a43ae79cf7c9d9960d3d12116c12499abb3ccb6e97dfd675340e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        __PSScriptPolicyTest_tmvt3f24.v0l.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tmvt3f24.v0l.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        WindowsSecurity.lnk
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSecurity.lnk
        • Size 1KB
        • SHA256 8b0e5a9076f6607868ab1b09f8342ad8adf1b155a435d1aa274153b931df928c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1200-37-0x000001E3438F0000-0x000001E343902000-memory.dmp
        Download

        memory/2088-10-0x0000023BFF650000-0x0000023BFF672000-memory.dmp
        Download

        memory/2088-14-0x0000023B98400000-0x0000023B98412000-memory.dmp
        Download

        memory/2088-11-0x0000023B984A0000-0x0000023B984B0000-memory.dmp
        Download

        memory/2088-3-0x0000023B984A0000-0x0000023B984B0000-memory.dmp
        Download

        memory/2088-2-0x0000023B984A0000-0x0000023B984B0000-memory.dmp
        Download

        memory/2148-34-0x000002643B260000-0x000002643B272000-memory.dmp
        Download

        memory/2728-48-0x00000239318D0000-0x00000239318E2000-memory.dmp
        Download