Analysis
- user interaction
yes - max time kernel
150s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/10/2026, 18:58
Behavioral task
behavioral1
Sample
AS_FS_Install.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
AS_FS_Install.exe
Resource
win11ltsc2024-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral3
Sample
Active Sky FS.exe
Resource
win10v2004-20260911-en
0 signatures
150 seconds
Behavioral task
behavioral4
Sample
Active Sky FS.exe
Resource
win11ltsc2024-20260911-en
0 signatures
150 seconds
Behavioral task
behavioral5
Sample
Common.Configuration.dll
Resource
win10v2004-20260911-en
0 signatures
150 seconds
Behavioral task
behavioral6
Sample
Common.Configuration.dll
Resource
win11ltsc2024-20260911-en
0 signatures
150 seconds
General
- Target AS_FS_Install.exe
- Size 180.7MB
- Sample261003-xmt7jswt5r
- SHA256 171f4af1c9cb80972b46b732c3e8985e3a2a7d88f52d1ce6f25d9f5f0a881f88
- MD5 b3c758a001d549cc74384336225ee33a
- SHA1 50911c1e65546b9208b5dec88646a25ab38d2308
- SHA512 96665278259010f7d38272050a2fe1af0f0e82785e70001b0939fa28bc8202add56fe738b1e8aee2c6970e877014881c6fb5f678d3c433c021bab8542a324937
- SSDEEP 3145728:8657aOL2omYTFK0E2PzhF0FI9Y3xtVZA2Qvvn1vUb3GR:r7Jb00E2b0FII/VZA2QX1MDk
- TLSH T1F498337BB379F82EC4A707730936C344563BB662DE26980A1BF4046EDF60A605E37947
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3956 AS_FS_Install.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 AS_FS_Install.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AS_FS_Install.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/3560-0-0x0000000000400000-0x00000000004DC000-memory.dmp innosetup behavioral2/memory/3560-8-0x0000000000400000-0x00000000004DC000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3560 wrote to memory of 3956 3560 AS_FS_Install.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\AS_FS_Install.exe"C:\Users\Admin\AppData\Local\Temp\AS_FS_Install.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Users\Admin\AppData\Local\Temp\is-8DVVQ.tmp\AS_FS_Install.tmp"C:\Users\Admin\AppData\Local\Temp\is-8DVVQ.tmp\AS_FS_Install.tmp" /SL5="$7021C,188313730,848384,C:\Users\Admin\AppData\Local\Temp\AS_FS_Install.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3956
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-8DVVQ.tmp\AS_FS_Install.tmp
- Size 3.1MB
- SHA256 eee891bdbf4d4fe2136cda57eb61a8505d4691b7babe4533b8bbd2e846dcb2a8
- MD5 68e670cdf727755ddadefd55964bfd73
- SHA1 6b9cfdcfdeeb1c33cbe2ed8cf0ea6b6c638739bd
- SHA512 dfbb1d2e214234a0708e672be3d8711bcf40cbe76ef4453e23bc39634376e59cea75784998075daa88a7b1cd58ad4c764e811d48ee139c2b0d8776dde4a020eb
- SSDEEP 49152:uWGtLBcXqFpBR6SVb8kq4pgquLMMji4NYxtJpkxhGjIHTbY333jp:itLutqgwh4NYxtJpkxhGf333l
- TLSH T11EE54A27F288713ED06B3A364A3386909837F66179168C2797FC794C8F365942A3E747
- MD5 SHA1 SHA512 SSDEEP TLSH