Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 06:29
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-08_8609994e3846b3182ece9f0556025cdd_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_8609994e3846b3182ece9f0556025cdd_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-08_8609994e3846b3182ece9f0556025cdd_cryptolocker_elex.exe
- Size 97KB
- Sample260808-g8ytvs1hrf
- SHA256 8cefb982128935256c87e605d5df34ff6b9df198f4a272f3681bd3047a085337
- MD5 8609994e3846b3182ece9f0556025cdd
- SHA1 d141b5230ed6bcd18a00e8d05856c017f761c9a3
- SHA512 a01349255f54d0fe65c07e71974bf8646b6893baede09083720c6ea5f92bca9721802444779423e8cd547defa61e8eee547e554187276208fa09abf7e83388e6
- SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQql:XqntdgI2MyzNORQtOfl1qNVo7R+S+gNm
- TLSH T1BFA3843AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a00000001b85c-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a00000001b85c-11.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 900 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 2026-08-08_8609994e3846b3182ece9f0556025cdd_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 2716 wrote to memory of 900 2716 2026-08-08_8609994e3846b3182ece9f0556025cdd_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_8609994e3846b3182ece9f0556025cdd_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_8609994e3846b3182ece9f0556025cdd_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716 -
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:900
-
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 d7e307da5ebc314775945a82534f54005c066738174ce2f596fe5326774d0566
- MD5 7bb2564f53883fbf3fd20f79977260ce
- SHA1 b1f537905a8746f660d91a5f9c9f14266105a74c
- SHA512 6ef67a3c105a6ae4e962169e9c34edc635385442f9f24e0296c7df73f4c723f349888c3d17311f81623191c6cf8f6980ccc57bf36811f63c9dcff3996a0e5a01
- SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQq8:XqntdgI2MyzNORQtOfl1qNVo7R+S+gN7
- TLSH T1C3A3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
- MD5 SHA1 SHA512 SSDEEP TLSH