Analysis
- max time kernel
148s - max time network
154s - 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, 16:26
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe
- Size 34KB
- Sample260802-txm97swgqa
- SHA256 11d068857ddada1a5fa449c0c4b97d3361f0619d0ca79d6f40584a44262c99fb
- MD5 e428066f45add2bde51a8077c9c261b2
- SHA1 c4c7f6c871fb4ef85de58df113fe59bf4ce70985
- SHA512 e7810262c1e6d204680739610cc060bf7005459fc0200f4e9f243b9daa3930879926f397a1e435e989c59b732c25c134ce9514a2ce3268ba0d1c26ca9859432d
- SSDEEP 384:b30V/YPvnr801TRoUGPh4TKt6ATt1DqgPg3tcS/zzoJUMnEOAT5Uv:b3o/2n1TCraU6GD1gdcKXwUMnRATav
- TLSH T16DF2B639BFE55962D377867414F3E0C1BA2B7C123D16591EA6CBB388093770ABC50A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x0010000000019cbf-13.dat CryptoLocker_rule2 behavioral2/memory/3660-20-0x0000000000400000-0x000000000040C000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3660-22-0x0000000000400000-0x000000000040C000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3660 rewok.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 rewok.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4664 wrote to memory of 3660 4664 2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_e428066f45add2bde51a8077c9c261b2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3660
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\rewok.exe
- Size 34KB
- SHA256 a4d15588ef1bb45f8f8f720bcc1a347f7867afbbe402f0cab53fa80248a7f34e
- MD5 9c6918cc1d55c65d79d3059930654637
- SHA1 6108b92c393c75f01da2ce47aeaa4cc7f6129723
- SHA512 e52350ee73b2416efea426d1ad9c96ec275feea37aa1c1b57667e34c7dc075864df98d4d9e9e8de8d41b869eba52fbd37095069641ed2a5df9cd832cd2f76dc2
- SSDEEP 384:b30V/YPvnr801TRoUGPh4TKt6ATt1DqgPg3tcS/zzoJUMnEOAT5UO:b3o/2n1TCraU6GD1gdcKXwUMnRATaO
- TLSH T1A2F2B539BFE55962D377867414F3E0C1BA2B7C523D06591EA6CBB3880937B0ABC50A1D
- MD5 SHA1 SHA512 SSDEEP TLSH