Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 08:50
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_410a1a0914df68b75ea92d59611b3009_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_410a1a0914df68b75ea92d59611b3009_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_410a1a0914df68b75ea92d59611b3009_cryptolocker_elex.exe
- Size 97KB
- Sample260802-krr7jayhlf
- SHA256 5a14d71e85c1a62f2003ee0f6390cb13ca4c602c2b7bc0164299780aeb5a96cb
- MD5 410a1a0914df68b75ea92d59611b3009
- SHA1 34d2f9f50e574a3ee3af9bcd1d06b48a6b0fc402
- SHA512 4e406a9fbc66327bee38889cde07744c96f4cd5ac46c63cf4ba7126e69056db5aacd74555160f9edbef3d91e8907d8cea7c2d0f6c7b1436ac4568449bb4fe78d
- SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQqU:XqntdgI2MyzNORQtOfl1qNVo7R+S+gNT
- TLSH T171A3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000b000000011377-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000b000000011377-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2228 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 2026-08-02_410a1a0914df68b75ea92d59611b3009_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 1264 wrote to memory of 2228 1264 2026-08-02_410a1a0914df68b75ea92d59611b3009_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_410a1a0914df68b75ea92d59611b3009_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_410a1a0914df68b75ea92d59611b3009_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1264 -
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:2228
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 97KB
- SHA256 42eccf0b2229f7ec33d605e3a3fb22d8ce68421165afceb52797c1e28275724b
- MD5 23ed01d9584bf78cac93a484aad47c86
- SHA1 bd9381150697c6e4b1f494ae1f9c2f472844a53f
- SHA512 b71e0030a3ab0d7c9517e1970570a246e7df0cab9efa1d250957c91c67a5a39916295b3a6809de1ed61c187f6f090bc94002c82d753f01facc954b1074d89541
- SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQqh:XqntdgI2MyzNORQtOfl1qNVo7R+S+gNK
- TLSH T10DA3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
- MD5 SHA1 SHA512 SSDEEP TLSH