Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/08/2026, 15:27
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe
- Size 34KB
- Sample260822-svsapszzcx
- SHA256 e2341ddb3ed5800a95b363f4d8dd134c2d8c220e2bc660939ae991969887ab82
- MD5 4c804e06f7b90f6bbdb2ff1a4e87fd29
- SHA1 cc161859c1b807ebe2a4fd812902fb7811bf5202
- SHA512 68d8d9741c2fcf8ad6e40c5aa377ba6057595e51c70dec32d5c724631c5e5ca26b5b39bd05f1abf6db15e083cbb0998443bd66e5df0ff9d8c94505ee4a860560
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvx:bdDOw9Uiaw8fjR0STX73OBqgx
- TLSH T163F293387EE52972E377EA7185F391C6B874B8123E25890E94CF67440832F62FC6160E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000d00000001b87d-13.dat CryptoLocker_rule2 behavioral2/memory/1132-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5812 lossy.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 2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1132 wrote to memory of 5812 1132 2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_4c804e06f7b90f6bbdb2ff1a4e87fd29_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5812
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 34KB
- SHA256 730403bf7865b70c2ba26aa2729b032e84ed197ef39d7b7259b695c1280c1afe
- MD5 6d51d8a60932c9d5d2cf621ec8c1d282
- SHA1 e6d8df54167c8aaf6f907c720bc806465a8da46e
- SHA512 0a3e2fc16a31594a17f826fa819f62f3d9b3387bda689d54e29e782dd5e2ff08aedce0a84bbc7c347c182b25b5cfb2df1c5bdaf0bfca91d2b32fc2db5400b396
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvj:bdDOw9Uiaw8fjR0STX73OBqgj
- TLSH T12DF293387EE56972E377EA7185F791C6A874B8123E25890E94CF67440833F62FC6160E
- MD5 SHA1 SHA512 SSDEEP TLSH