Analysis
- user interaction
yes - max time kernel
898s - max time network
417s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/10/2026, 19:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
winlocker.exe
Resource
win11-20260911-en
4 signatures
900 seconds
General
- Target winlocker.exe
- Size 178KB
- Sample261026-xtqspsbg47
- SHA256 4df0a028d07d42406ff4faa6525a821307121a91cef33b04f53a51e2a1644f9d
- MD5 cd45922a62492810ad9ff4f143271785
- SHA1 2998b35d96b1acd8cc1a6d8c3c3bf69df1ebdf7f
- SHA512 94ab2f1b79aeba51098c547488abc04a6224e2f6f6e3bc6f17361cb4469bd7f0d312f8cc9f21ccb1ba27622d507d6bd428495d0f228c8562d181662d2829b017
- SSDEEP 3072:qvrGQpUYXWzzihtL83zYnb6i0FfZIXRMX5AtRNRTBdMoZyC/TfoC:qvCQp5XmiqzS0F9etRNVv
- TLSH T1A9047C1573A500F9E0B79139C9A26606F7B3781507709AEF03A447B69F636D0AD3FB21
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2768 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4784 winlocker.exe 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE 2768 EXCEL.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\winlocker.exe"C:\Users\Admin\AppData\Local\Temp\winlocker.exe"1⤵
- Suspicious use of SetWindowsHookEx
PID:4784
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\StepMerge.csv"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2768
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
- Size 338B
- SHA256 7350d9a288767c3863564644853dedda926c6960155b1be51d88a4829c0d68dc
- MD5 5fb6997c9e00585cdf9593d00b23898e
- SHA1 638708a7d6cd7f5efeb804bfa5f016dee0b32176
- SHA512 161e0795f8455df80d03069c48ce08eb2b2a18d6cf1fe7ca6eb2a31924c1e738027616cedb8d288242441cd4322335e9cb40b606cb5c604819d5676aadd0a421
- TLSH T1A3E0ECBB8760E3F2CBBE91F87675ADE88BF6844CD2F5A03519CC1DC11D60563A0AB650
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A6JS64N6XJULWMOJ27G9.temp
- Size 3KB
- SHA256 58b9916f089130f833add5277b630921e304370d9d89619ae397d19378d6caa3
- MD5 b4ff1f5595c68845dcc8e6bca2239ad1
- SHA1 63d3bc7259296fd9c738f62d00076ade44d2a799
- SHA512 cd4cd9f906ee1a6f7b6eae87f627ac579edc5f5aeaf8d2e26adba302a1f9b03bfd60c06e2bdc3c7030e391485a883c5c5aa21f62f13b9003a3cedda4ea7522a3
- TLSH T12C610013468B5F5BD810437B5B2F9B26DB203D12EB94C10D3288D16E7CB6E40D66AB5E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QF6529P2GJZ8PBM8P5NL.temp
- Size 2KB
- SHA256 f74cffd2f8bcbbc78a1f2995181e8dc8fdc96422615421ccbf4521e8c1b36b2a
- MD5 0b45f79decdf9506f69dcd126048ea39
- SHA1 d48582042a51fdcb1527306e6edffcfd17112552
- SHA512 e5b061099a62a251a58408dea31ff48fb920ba8cb6950d60c3f41d7b23985713a90ff3783b510110d1dc246228ce1c74448ea6403b7cf30d13858b57b4371a43
- TLSH T16F51EF13068B5F1BD82083775B3F9B25DB203D16EB54C50D3288D06E7C76E40D66AB5E
- MD5 SHA1 SHA512 TLSH