Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 22:34
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe
- Size 35KB
- Sample260806-2hezaace84
- SHA256 4a8dcfd56fe1d405b3ce5a5d73fe2c384ae47f17e1ec22b722ff735fec094921
- MD5 ce7216677902441bad12e6901b7c5580
- SHA1 e130f670d4d2c0bcf06e158d3a3c2306a0d70de0
- SHA512 8245bae468348f06021a697b406da80502893897fe1be0d9ae2d3563eb04730465ba306a88bf30b0e6093d2e89a42d8173947a63e1ea41510b0c9c749bbb6824
- SSDEEP 768:df1K2exzikBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGS/YIm7wm+D:B1KhxTwtdgI2MyzNORQtOflIwoHNV2XE
- TLSH T15CF25436AEC515E6D673AA73F4F792C2E927BD653922450E108A3F0009F3781BCA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000d000000016cd6-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000d000000016cd6-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4580 hurok.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 2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 972 wrote to memory of 4580 972 2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_ce7216677902441bad12e6901b7c5580_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4580
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 35KB
- SHA256 38df2bd08ba1fb4207c41a32882181e2cb2658c9b9a9080939a1f7bd010a4dd6
- MD5 9fc4f9d6228724c47d8b90df4b51d1ca
- SHA1 00c07dc99b4122040153b876ac1696f898c8d6f1
- SHA512 e3688deeb9db50fe997d532f5350c7e04d38cf80ca669dc5c74f33c52673bdf3c57c0c8afdf5dac98cd10d6f78b44375b515d165a93b1f3a5aa0d3e1108505e1
- SSDEEP 768:df1K2exzikBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGS/YIm7wm+C:B1KhxTwtdgI2MyzNORQtOflIwoHNV2XJ
- TLSH T1DCF26436AED515E6D673AA73F4F792C2E927BD653922450E108A3F0009F3781BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH