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
23/07/2026, 02:48
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe
- Size 34KB
- Sample260723-davsrsvwhy
- SHA256 0869d086394ee142fba658e9acac10df4b394e8317e798034a4a859ab858dd5e
- MD5 53f4f21deac4a1640c64e161f590e2fc
- SHA1 80940d16e9fa9d3bfb8cb3c4c83861babec528d9
- SHA512 383b5192548aae04056b6b9ac8ffda25c0a282b07ceb076f3ad3d144777045bbc719d515a41cd02de8dfc5c58728e1eee2346d6de9aa608175519f36452f505b
- SSDEEP 384:i74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDz/mRZ4yQ3Uh:i74zYcgT/Ekd0ryfjLz/mwzO
- TLSH T149F2B6386BE62972D37B9EB585F791C2B935B8223D15884E54CF23848D33B52EC9160E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1324-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d000000019cd9-13.dat CryptoLocker_rule2 behavioral2/memory/3640-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3640-20-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3640 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 2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1324 wrote to memory of 3640 1324 2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-23_53f4f21deac4a1640c64e161f590e2fc_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1324 -
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:3640
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 34KB
- SHA256 4e67792c6388ebef55415ad28975d509f4e3f6f74a08e6dcdc7f570332aec1c7
- MD5 a0b28b30388946dbb46ab1151f1be27d
- SHA1 264068e87bdaa872515e54ad55d45ed669a216ea
- SHA512 048397c00fb3c196d0f6647347901ac680e8ca0c7bf6c6f5a5de7e13d2a3077426870df6f18df9cca835c0d98d573ae722904ff232d169b75035c363ac36514a
- SSDEEP 384:i74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDz/mRZ4yQ3UB:i74zYcgT/Ekd0ryfjLz/mwz2
- TLSH T148F2B6386BE62972D37BDEB585F791C2B935B8223D15884E54CF23848D33B52EC9160E
- MD5 SHA1 SHA512 SSDEEP TLSH