Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/06/2026, 16:18
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-06-28_11a8df1d066dfe8fba25ce84b668976d_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-28_11a8df1d066dfe8fba25ce84b668976d_cryptolocker_elex.exe
Resource
win11ltsc2024-20260630-en
6 signatures
150 seconds
General
- Target 2026-06-28_11a8df1d066dfe8fba25ce84b668976d_cryptolocker_elex.exe
- Size 36KB
- Sample260630-tr2weacz21
- SHA256 922a6c8fe49cdd17268f45e4f53a50c926257b3922bc53b309465ba598d66692
- MD5 11a8df1d066dfe8fba25ce84b668976d
- SHA1 a7cc22fb339a4d5d27dcb2a386cef60af9d19734
- SHA512 5b8f071936442d84de1c1c309a06df3a4cd9b24d0bf1e75ee6605fbc964ff2a6182edc2cac3d0e7395e91913750bb0120fc14359d7db1b2acf1d2c96a13458af
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2Vlp:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xn
- TLSH T19CF274326FD415E1D677AA73F5F791C2E926BD263C22850E008A7F4409F3A91EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00160000000115b3-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00160000000115b3-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4180 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 2026-06-28_11a8df1d066dfe8fba25ce84b668976d_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 3388 wrote to memory of 4180 3388 2026-06-28_11a8df1d066dfe8fba25ce84b668976d_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-28_11a8df1d066dfe8fba25ce84b668976d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-28_11a8df1d066dfe8fba25ce84b668976d_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3388 -
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:4180
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 36KB
- SHA256 da28f011c6e8831ede62a350cf8846cbd5f8d8b3faf8941dd66e8fc2fe666ae2
- MD5 ecd9781c5508bc5fb23c83efe6953961
- SHA1 9f4f0c1d44926500e7e1fa34d34945fbb425910a
- SHA512 012dc3e320487c05349dc2ec7ab1e0b554b2884ef4acb9e918cce643b8178ba37ead62d775d39bfdf9b8a0ba6ace38f02f6c761053c200a0e357f64ef1eb2e9e
- SSDEEP 768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2VlI:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XC
- TLSH T1A7F264326FD415E1D677AA73F9F791C2E926BD263C22850D008A7F4409F3A91EDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH