Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 07:52
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe
- Size 33KB
- Sample260730-jqgtqstdph
- SHA256 1989be235e1dc234715da6d541ab1abeda894f10ee10f82fd5a30c2afb5a6416
- MD5 6f26286d69b8bde69ad2a21499222dd7
- SHA1 ca396c7b89c02ea4df921ac9ed14882b8490cd4a
- SHA512 036f0e2fbbb5c04ea80d8b691c514c94a91ca73f0a5ced2a6f36a2869e9de5c5f42ac991185ac7267a7bb280faac3fac9f472368929867de4a34c11267b19c80
- SSDEEP 768:Hf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGeNEmK/4BT:/1KhxqwtdgI2MyzNORQtOflIwoHNV2XO
- TLSH T10BF27572AFD515D1E773AAB3F8F792C1D627BD295922850E108A3F4406F3680EDA1D0B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00160000000115f5-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00160000000115f5-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4728 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 2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2412 wrote to memory of 4728 2412 2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_6f26286d69b8bde69ad2a21499222dd7_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412 -
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:4728
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 33KB
- SHA256 fb5c563f6702d5d477569bfc90220f51e3462e314bc6587fdf8b8aebde1be607
- MD5 dcbac49b8f435cdf6fe9a43d3811b40c
- SHA1 6ace987d26c18261b1f5c6af0492da1cdd78f86a
- SHA512 8133b98c5523171eac5c3d6e8fad825ae42f50b45f57b0fa601f968552e1ef63bdab829eba39d52972dd5e37974111311ccf441f9f77a3e571aaea18d6e53397
- SSDEEP 768:Hf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGeNEmK/4Bk:/1KhxqwtdgI2MyzNORQtOflIwoHNV2X9
- TLSH T1C5F28672AFD505D1E773AAB3F8F792C1D627BD255922850D108A3F440AF3680EDA1D0B
- MD5 SHA1 SHA512 SSDEEP TLSH