Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 20:06
Behavioral task
behavioral1
Sample
PaigaldaRationale.exe
Resource
win10v2004-20260911-en
4 signatures
150 seconds
General
- Target PaigaldaRationale.exe
- Size 42.5MB
- Sample261001-yvebqsys6p
- SHA256 04e65e37cda96f82fdb0d93b7fb976943974b55ea6eee087b27cf247672c5c36
- MD5 909b3f403eaff8de2ea289b71e77df9b
- SHA1 f765bbaf6b2d384ae5045cd79aa652474a170d60
- SHA512 efba69a7d0f0294f32e8c4a2bd4fd92828fc6d8032a8d00ad09712d7d122352657e95e1e8657930a5aad6e95cd5acb96449c51e7306588ab15b04474b1235837
- SSDEEP 786432:5X+WCaMTJJY3T3hGDfnZO1bhHjhJWP5Y7axtlyQ5P3pViOQX4f11vA2odIczAdVe:5X+DawzY3gVWqP5fkQ5P3cS11I2gzAdE
- TLSH T14DA73312F2C7E03EE46E273E19B3B04485FB69225462EE56DAECB0ECCE355601D2E157
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3364 PaigaldaRationale.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 PaigaldaRationale.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PaigaldaRationale.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/1760-0-0x00000000002E0000-0x00000000003BC000-memory.dmp innosetup behavioral2/memory/1760-8-0x00000000002E0000-0x00000000003BC000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1760 wrote to memory of 3364 1760 PaigaldaRationale.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\PaigaldaRationale.exe"C:\Users\Admin\AppData\Local\Temp\PaigaldaRationale.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Users\Admin\AppData\Local\Temp\is-RE7B2.tmp\PaigaldaRationale.tmp"C:\Users\Admin\AppData\Local\Temp\is-RE7B2.tmp\PaigaldaRationale.tmp" /SL5="$400A4,43606078,845824,C:\Users\Admin\AppData\Local\Temp\PaigaldaRationale.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3364
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-RE7B2.tmp\PaigaldaRationale.tmp
- Size 3.2MB
- SHA256 03d7c7d8bda27ee81555c7a83028229d9ef61afba4b15c28e8d795ecca005f04
- MD5 ce6e5b8ca1574054557698bf364121f3
- SHA1 faa9611079783529a07205300ba8c2318b5e621c
- SHA512 c39bf3c464790432ebbdbc5778f7f98ac1392c3241c1a560a8d813b41b08fa17923310b110fbac0612d71bff6e6003d3386be49f8cda71dad2257d4dd0d38d27
- SSDEEP 98304:nJYVM+LtVt3P/KuG2ONG9iqLRQE9333T:2VL/tnHGYiql5F
- TLSH T179F56D17F389613ED05A1A392537D251583BBE70762A8C575BEC3A8C8F361486E3B34B
- MD5 SHA1 SHA512 SSDEEP TLSH