Analysis
- user interaction
yes - max time kernel
298s - max time network
244s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 17:22
Behavioral task
behavioral1
Sample
PAS.exe
Resource
win10v2004-20260513-en
4 signatures
300 seconds
General
- Target PAS.exe
- Size 9.4MB
- Sample260805-vxnfmscp81
- SHA256 1e575a6a610af1d9fa1d3ccca1ab487775f275ee3d563d34d7f7cfa129337626
- MD5 27d403f66691a50205e997be8435cb0b
- SHA1 ed52d62e68122fbcba03171f79b8402f90f03a7e
- SHA512 49d30f9ccaf1f42dab8af9a63d82d07e5304e539c2c0863d30b4ede34ed201d5c70f08c44a1e8f823bc852cd1dded793bfee7dcb421fb7a04f97047542a338ac
- SSDEEP 196608:1mMLErp3y+u3MujoiIgvUxT/MiP7KQFvQkwcB7oOlR5em07LV7BA/gZ:YMLErp3y+BuHBUZMiT/qK7jSxBAo
- TLSH T158A6339213D70672D9364D3CCD91C14ABD57B83968C154931FF2EB6F29B22C2807BAB6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1556 PAS.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PAS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PAS.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/4128-0-0x0000000000400000-0x000000000042D000-memory.dmp innosetup behavioral1/memory/4128-14-0x0000000000400000-0x000000000042D000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4128 wrote to memory of 1556 4128 PAS.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAS.exe"C:\Users\Admin\AppData\Local\Temp\PAS.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Users\Admin\AppData\Local\Temp\is-MCCNL.tmp\PAS.tmp"C:\Users\Admin\AppData\Local\Temp\is-MCCNL.tmp\PAS.tmp" /SL5="$501F8,9524281,140800,C:\Users\Admin\AppData\Local\Temp\PAS.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1556
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-MCCNL.tmp\PAS.tmp
- Size 1.1MB
- SHA256 89c8d27247ff86f189ebba01e27c47daa184a04c5f002130f9d336ca80d71202
- MD5 394289faec0a43faea574588cb367018
- SHA1 b02982a816782c3c16ad5a321dce0a79cab124a2
- SHA512 e99977ed9b3ea6607d347fe3e339cff40e70166db6a93443046cb7e0bc2a6f7c598503a55030f7d9ae0e8ede8b706bb4bd682bbdadf215641247b96bae0d09f4
- SSDEEP 24576:dh+EpSGP3ZEgRhuRKOODz6HY1SC9s6WcREFydry9u6HxyA:ta+P6HpcTdne
- TLSH T1A5354B22A3D64433D5732F759D6B82946C35BD202EB4E84A7EF89E0C0E79B817D35392
- MD5 SHA1 SHA512 SSDEEP TLSH