Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/07/2026, 19:21
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe
- Size 51KB
- Sample260719-x219eacy2t
- SHA256 9c54843df53512a2203dc2f3278cc422c4cf2009d3a780dd939bcca4500227d6
- MD5 5b96406327821b38bcbeff64c583813a
- SHA1 67d7d3b72fe029fc5b76ab6e4dee0b89ab80fd9f
- SHA512 9193b70e0347f7776ee7c3eea1ae6ae95c217a2a9b272a3d5a28bcbacaa522f927c8d4ee658ccd900a10709f42c1c8632cce81e94fa74b07c4d640b8172ff001
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/x:bgGYcA/53GAGgIvF9v2ZG
- TLSH T1B73321387BE56972E37BCFB586F691C6B935B8223C16980D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/916-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0007000000016b3a-13.dat CryptoLocker_rule2 behavioral2/memory/720-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/720-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 720 hasfj.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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 916 wrote to memory of 720 916 2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:720
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 51KB
- SHA256 f88069fe5756ab8b17e23f9bd6547c84b9e0e2bd016c712e90f8c5187aff7627
- MD5 6161a971bffd1a82a99c4b9d38d3c564
- SHA1 ce633c75a33489bba9a2d926dde3b75f954476b2
- SHA512 e6733b2bb2d6a3dd88cb6de4e9f3d2880701dea54d2b08ee899bc12303cc79609fd548b7ccf42200dd9d3f6a2ff5eff13763960456a107c2cbdb59bb4a393ef5
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/g:bgGYcA/53GAGgIvF9v2Zz
- TLSH T1313321387FE56972E37BCFB586F691C6B935B8223C16980D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH