Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 15:36
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe
- Size 77KB
- Sample260823-s19ryahm4x
- SHA256 3ef96c994d02585b8671128eba6f8ac9752733fb1db9dfc5082996a10f6e638a
- MD5 f3fe3006361bc3fb7133293177a9c37b
- SHA1 770814725efaf3e49468ef3ed1405e44a6203402
- SHA512 bde7a07e5cdb2bcf08771f757a44d39e8bb142c966c708d31191b7912473c6833a0185160d20dac46830c6cd31faa4d840fd97f50a1eb233d410f25044aee398
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzki/:vCjsIOtEvwDpj5HGWY0RkfI
- TLSH T1E273FF396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0007000000016b3a-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0007000000016b3a-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4876 misid.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4188 wrote to memory of 4876 4188 2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_f3fe3006361bc3fb7133293177a9c37b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4876
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 77KB
- SHA256 715d5d21c4a9ee9a82c21d0ab3232becee2d12f1df943fe6744566c0668ef099
- MD5 1fec517027d98d59494be080b38fd161
- SHA1 0776f5b7b55fe55f4bfde1c4988b66553bed93ad
- SHA512 46d4672c8d849be077fb0677a153cfd2d91a1228867451c330fd0c4215c10b57e912d32b3eac219b5a89e0583912c4c30b80d73bff38b6a4acc19afde4a7f001
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkit:vCjsIOtEvwDpj5HGWY0RkfO
- TLSH T12E73FF396FD91672E37BDAB5CAF691C6BA75B4223C12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH