Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/07/2026, 08:29
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
6 signatures
150 seconds
General
- Target 2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe
- Size 52KB
- Sample260704-kdnbeshs9k
- SHA256 6010d2656978efdd8d613df98a03f70e56ab5bb4d8a962aac4c2d04bba12c9d4
- MD5 70a0089788f38fd22e538e8a9ada9d6c
- SHA1 76363d5e492880a1fbea0ae58c0dfba1ad16c098
- SHA512 9ce4cfcee896fdce4c360b68f2f653f26b95cfc94a58990e454b648bb7de3ee0365bd36dfeb88611ecc9ffe8901525b860756db629d03104f178a89b3d6450a9
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7Zsz6Im7wmF2H70ResBdF:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7k
- TLSH T1AD33A432ABD415D6D6739673F9F752C2A922BD162A21494F20893F050EF37C1ACB2D1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0006000000016b3c-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0006000000016b3c-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2568 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 hurok.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5848 wrote to memory of 2568 5848 2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-04_70a0089788f38fd22e538e8a9ada9d6c_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5848 -
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:2568
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 52KB
- SHA256 1ce40bb304fafad08a716772b67d216eff21ed41c537e7b899d2e5e3a30754cc
- MD5 cb6b69033c4c19b8750db5483e49af4a
- SHA1 f127dbec0f4654f763d72338a141d4173ce2dbe2
- SHA512 62e3e5d7dd49124004d6c96eafbae508bd0fe4c57d642530e3c90f0b4c6157f83b1549f8c379203a726b92fe2ddb09d721827f3f713b158dfe00e486247fe732
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7Zsz6Im7wmF2H70ResBdr:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7O
- TLSH T1EE33A432ABD415D6D6739673F9F752C2A922BD162A21494F20893F050EF37C1ACB2D1E
- MD5 SHA1 SHA512 SSDEEP TLSH