Analysis
- max time kernel
148s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 12:06
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe
- Size 38KB
- Sample260720-n985jsbx6s
- SHA256 3b6781dc095d12ad93c27c257cd15875663a441b70ea58333756a77abb6f4c72
- MD5 00e7d454b0e55f54d3879bcad8821109
- SHA1 971558565e27cc0a41a0d28a00adac3583ad7245
- SHA512 7a6bc463ee92b3b49721c8a6193a08d2b26610f1b55dee683128b26051ebf714dad3aa23d4a1e29d378418b3b481a1d3800e5eacd6b464542ae6e6f6110d82df
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlUe:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xt
- TLSH T1200353326FD515E2E7779A73F9F791C2E926BC262C22850D008A7F4409F3A51EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000d0000000007e0-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000d0000000007e0-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 6080 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 2026-07-20_00e7d454b0e55f54d3879bcad8821109_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 5516 wrote to memory of 6080 5516 2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5516 -
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:6080
-
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 476c5f0299d6346543086f1a9a624b2d8573247f0b4c79ca819363fc3d528bf0
- MD5 3702c3b83a56fbca936afcce9f60eee9
- SHA1 9d2a1c8167135e6e40bc0cf4a8ad66b8e79ebd14
- SHA512 72b10606371a4c203d5213e6c69cef8d79c938f66a23155603017979368c0b6807151a30328b5ed59369295cfeebf1980a0309dfb4c4ef3e1263af3834437107
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlUO:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xl
- TLSH T1A80353326FD515E2E7779A73F9F791C2E926BC262C22850D008A7F4409F3A51EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH