Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 07:49
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe
- Size 33KB
- Sample260730-jnz8asxtbs
- SHA256 7f86f0a20e5338bfecc63a41905e0c5834d7018b9f429f57697c1dc1a90e28e7
- MD5 89ad3eea5ace64389661d7752b06b709
- SHA1 47b68219671e2668318431c9081bc41c18ef4f13
- SHA512 588d299ef3357832d4c20395a40f3b58d6086ba17d952d65f7698b8cb3a1da526a9425fd3497d863200a17079b2e115bcaf303c8efaf8720a5c44e794022bd36
- SSDEEP 768:Hf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGeNEmK/4Bd:/1KhxqwtdgI2MyzNORQtOflIwoHNV2XM
- TLSH T1F8F28572AFD515D1E773AAB3F8F792C1D627BD295922850E108A3F0446F3680ECA1D0B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000019ce0-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000019ce0-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3368 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 2026-07-30_89ad3eea5ace64389661d7752b06b709_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 5732 wrote to memory of 3368 5732 2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5732 -
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:3368
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 33KB
- SHA256 7fc6ba26c0c267323e4ff3d156b9fec6b98d16c06afa8e394b5cafcad449b142
- MD5 bd9c498ba21a3e130f579b37d620fb13
- SHA1 1d0431889f084b1ab7fa0a560bfc67811398f5c4
- SHA512 47afd083d1c27aec3cdf912d9963b9f90d6e44b3471ff2e2bfd551c41bab5b3caa23275bd1ff35824b3b1bbbd876ace41494b7b0f1a7a395418a623d6018e537
- SSDEEP 768:Hf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGeNEmK/4B/:/1KhxqwtdgI2MyzNORQtOflIwoHNV2XC
- TLSH T11BF28672AFD515D1E773AAB3F8F792C1D627BD295922850E108A3F4406F3680EDA1D0B
- MD5 SHA1 SHA512 SSDEEP TLSH