Analysis
- max time kernel
148s - max time network
153s - 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, 19:12
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_2ab28fd4a17991005f51eed612c1969f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_2ab28fd4a17991005f51eed612c1969f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_2ab28fd4a17991005f51eed612c1969f_cryptolocker_elex.exe
- Size 97KB
- Sample260802-xwxc9seq8s
- SHA256 c0e248e84e6efd15af34d6c80da795c1c8f5cd83e6a5ff780595ef30ab299eb0
- MD5 2ab28fd4a17991005f51eed612c1969f
- SHA1 dbfe70e9d82864955565c6446c12b01ba0f7e9ff
- SHA512 23609d3160917a1ab51cbbe7d1be8c77608abad07f65b7e8dd098258edec80bf002de1415c7ccdfb6193ff247ceb0cece0a92bdd232278b711090f7ecf57f5de
- SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQq+:XqntdgI2MyzNORQtOfl1qNVo7R+S+gNt
- TLSH T17EA3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000b000000016cdf-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000b000000016cdf-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 1184 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_2ab28fd4a17991005f51eed612c1969f_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 1680 wrote to memory of 1184 1680 2026-08-02_2ab28fd4a17991005f51eed612c1969f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_2ab28fd4a17991005f51eed612c1969f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_2ab28fd4a17991005f51eed612c1969f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680 -
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:1184
-
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 bb8c254edfd0f8fd3367912bce9e15b98629e6f1dc5500613643078b0fde67eb
- MD5 cb9f1ade8edbd0245bd35316eda2681d
- SHA1 8c6478cddc2dd550fa1037c5081588ce71963438
- SHA512 f095334988d75590dbf621d767e285bd6abf46324df3a0728084b2e21a8666902b5a7a8d2c2fab48c945802387004c2047ce5f25e581438e5d2c509ed77c5ad0
- SSDEEP 3072:XqntdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszNHIUZspjgCDQqF:XqntdgI2MyzNORQtOfl1qNVo7R+S+gN+
- TLSH T160A3853AAEC516F2D37386B3E5F745C3FA26B4323512890D409A5B0509B3F56ADB2D0E
- MD5 SHA1 SHA512 SSDEEP TLSH