Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/04/2026, 04:48

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

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.

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

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

  • 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.

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:3808
    • 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:4440
      • 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:4376
    • 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; $Shortcut.Save()""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4324
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "$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:2024
    • 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:5256
      • 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:4012
  • 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:1148
    • 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:5636
      • 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:4880
    • 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; $Shortcut.Save()""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5284
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "$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:5216
    • 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:5700
      • 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:1772

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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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 b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 64B
        • SHA256 ae0ed49d01f2bb198686b85135100266115de72222fd3eaadd7ab7c9b3951508
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 cbafbcef08446541d49da9d11842ab860628a7d317db15f570b7b1e1048ade11
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 64B
        • SHA256 46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e
        • MD5 SHA1 SHA512

        SecurityService.exe

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

        __PSScriptPolicyTest_jgdsiazi.kgd.ps1

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

        WindowsSecurity.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSecurity.lnk
        • Size 1KB
        • SHA256 648df26ff671ceed324bc9bf3ec051e3dc74ca6dfe22d4290bf9cb06f81194f3
        • MD5 SHA1 SHA512 TLSH

        memory/4376-2-0x000001EBD31B0000-0x000001EBD31C0000-memory.dmp

        memory/4376-8-0x000001EBD3260000-0x000001EBD3282000-memory.dmp