Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/10/2026, 20:17
Behavioral task
behavioral1
Sample
UpdateParTo_pe2025.01b.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
General
- Target UpdateParTo_pe2025.01b.exe
- Size 8.0MB
- Sample261006-y2tp1aev4w
- SHA256 34a6d67cad1fe6b98319405f68a8ac9e5749396c55f9cb51c4965026c5e4a737
- MD5 bc2fcc4051f54b48c171d25f6e866285
- SHA1 d01e9a351a5004464d11f7ae749b045da1dbd8a9
- SHA512 87613ea60db75b8cf2c8d5c4a7d8132fade178d1475ee725da55c0f5640f2a3e0849719c163617296c5b44c53946b1d03291316c22bd3835e5575d646bbf485f
- SSDEEP 196608:ELOmyxMF3rIHswSrBLt0FzPiGQP+9IWi+TZqgIbLf10zp/Zw:KoYcHszlx0FDXmc9qgoLt09+
- TLSH T132863313AA38D532C459A4F05CD0E42DF3BAF9757D2742F2B0A0AF599B2F49AB80C754
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4976 UpdateParTo_pe2025.01b.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 UpdateParTo_pe2025.01b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UpdateParTo_pe2025.01b.tmp - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/3272-0-0x0000000000400000-0x0000000000414000-memory.dmp innosetup behavioral2/memory/3272-12-0x0000000000400000-0x0000000000414000-memory.dmp innosetup behavioral2/memory/3272-28-0x0000000000400000-0x0000000000414000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4976 UpdateParTo_pe2025.01b.tmp 4976 UpdateParTo_pe2025.01b.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4976 UpdateParTo_pe2025.01b.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3272 wrote to memory of 4976 3272 UpdateParTo_pe2025.01b.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\UpdateParTo_pe2025.01b.exe"C:\Users\Admin\AppData\Local\Temp\UpdateParTo_pe2025.01b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\is-BPFLR.tmp\UpdateParTo_pe2025.01b.tmp"C:\Users\Admin\AppData\Local\Temp\is-BPFLR.tmp\UpdateParTo_pe2025.01b.tmp" /SL5="$400A4,8101861,56832,C:\Users\Admin\AppData\Local\Temp\UpdateParTo_pe2025.01b.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:4976
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-BPFLR.tmp\UpdateParTo_pe2025.01b.tmp
- Size 691KB
- SHA256 bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4
- MD5 9303156631ee2436db23827e27337be4
- SHA1 018e0d5b6ccf7000e36af30cebeb8adc5667e5fa
- SHA512 9fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f
- SSDEEP 12288:7QszP8NRMXpc/rPx37/zHBA66pE+4p1YR71CERdH6rN9by7HaOMe3mxyF:7QQP8YXpc/rPx37/zHBA6plp+51CErzP
- TLSH T121E47C32F2A0C837D1B31E789D5B82D55936BE103E38A59736E81F4C4F796817A272D2
- MD5 SHA1 SHA512 SSDEEP TLSH