Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 10:50
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_cryptolocker_elex.exe
- Size 53KB
- Sample260825-mxngms1apf
- SHA256 84ec68489581a4ffb6f87f3afe9761e4f8645d73a575376684eb8d7d45b04dc7
- MD5 6eb7dd8fde4c5ef2ba004dd2828e592f
- SHA1 0827ba912f3e61a97ffd48b7b3ed8a59b5b9faf7
- SHA512 a2df0ebe088677b9d6c629f82974923c68d68c1a93563a12da59f62b47fefd7931978b2aa9f01c479294b7ccbc514a6718b5455baa083671da27dc7dfd8f5184
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSv:aq7tdgI2MyzNORQtOflIwoHNV2XBFV72
- TLSH T13933DC396ED515F2D377DAB7E5F695C2F922B8223912880D40CB2F4409B3B52BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb8-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb8-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4608 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 2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_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 4900 wrote to memory of 4608 4900 2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_6eb7dd8fde4c5ef2ba004dd2828e592f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
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:4608
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 54KB
- SHA256 69478f47293109aa2637cc40c4e986b4b6413dc1bcb2e7422b605b33e8b72164
- MD5 5f647364106885bbba74215ff9918f3f
- SHA1 a21f2f803da219d59532225701dd7456b9b9d16e
- SHA512 1a3dc67645ea984ff0a379b7e3c922ed062c6148718a54c0640c5553608a4e6384b973d17895b81c065a5678f34c9ebc59d37474377693331dc703252ecb8690
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSh:aq7tdgI2MyzNORQtOflIwoHNV2XBFV78
- TLSH T18743DC396ED515F2D377DAB7E5F695C2F922B8223912880D40CB2F4409B3B52BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH