Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 04:37
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-17_211109415ec41a55f47ca009c9082967_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-17_211109415ec41a55f47ca009c9082967_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-17_211109415ec41a55f47ca009c9082967_cryptolocker_elex.exe
- Size 38KB
- Sample260718-e8th2abx6z
- SHA256 f2b9e60089b31e0288bc398f6ebcf42cbfd7f02e139efc3ae2275729cb2fe24a
- MD5 211109415ec41a55f47ca009c9082967
- SHA1 5be838b8253baa1b178ab5dda680e1d8838cbfd2
- SHA512 e876748461150aac6ae3181f9833cccb00fa9cd62fab83b76faf13ff0c17c43486046ca0f386131563e9251658d30d7a6328f36c67dd88338eba98d9449ec295
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlUx:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XC
- TLSH T1A40353326FD515E1E7779A73F9F691C2E926BC263C22850D008A7F4409F3A91EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001136a-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001136a-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4228 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 2026-07-17_211109415ec41a55f47ca009c9082967_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 936 wrote to memory of 4228 936 2026-07-17_211109415ec41a55f47ca009c9082967_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-17_211109415ec41a55f47ca009c9082967_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-17_211109415ec41a55f47ca009c9082967_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936 -
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:4228
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 38KB
- SHA256 cd829f1f0f68bc6d329d3685b4cdc8be9e128b55ff3aa437f8e830856192a1ed
- MD5 9468e66c6ccac018442204adfb418d03
- SHA1 194d2356d9f68785955228f112b3eb046903d552
- SHA512 2561333c9c71ac4cdd052a7b9857f316c62cf36856c9f6898df872cea7284444ade2b0e0c05e9e082a9fb4baf7a82bc49f0e0a5a7f105edeb350a76bdf6be2e3
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlUE:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xr
- TLSH T10E0353326FD515E2E3779A73F9F691C2E926BC263C22850D008A7F4409F3A51EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH