Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 02:55
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-20_80c4718ce4454285527385b22dd4a2b1_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-20_80c4718ce4454285527385b22dd4a2b1_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-07-20_80c4718ce4454285527385b22dd4a2b1_cryptolocker_elex.exe
- Size 38KB
- Sample260720-dewwmads4p
- SHA256 6d30af673a96de69025ba93a19837a950b008c66a949e535a432679bfdd8a8bc
- MD5 80c4718ce4454285527385b22dd4a2b1
- SHA1 f52d131f55093656a56d090e41f8a1cd964a581c
- SHA512 e161c82966063eb1de124cfef499e0a0a1268d2d9d05ee606d0c7770631353ec89e69e00c992a001bba422d9ffdd79bee5f23f76b17c45bd1ea3c01e652f7358
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlU4:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XX
- TLSH T17E0353326FD515E2E3779A73F9F691C2E926BD262C22850D008A7F4409F3B51EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b858-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b858-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3728 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_80c4718ce4454285527385b22dd4a2b1_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 2696 wrote to memory of 3728 2696 2026-07-20_80c4718ce4454285527385b22dd4a2b1_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_80c4718ce4454285527385b22dd4a2b1_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_80c4718ce4454285527385b22dd4a2b1_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696 -
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:3728
-
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 1d73e73e897e21c28abf1e20206e272505b334ca4730574324e6ff8d14d8b316
- MD5 ce0b18b55ae98e7d9714b61a7be97032
- SHA1 2a1d2fa1a5dc5b255ce222e032882f74f7462920
- SHA512 bf689b785a4c9f8f9bd4c9aea39ea55b7c19733772c9d0e82cdbb804075ec53ee54ee983e66d1851a63c986e7d149df791db1fcff8ae81a838959c2e4d161bac
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlUs:o1KhxqwtdgI2MyzNORQtOflIwoHNV2X7
- TLSH T1900342326FD515E2E3779A73F9F691C2E926BD262C22850D008A7F4409F3B51EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH