Analysis
- max time kernel
150s - 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
31/07/2026, 06:41
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe
- Size 36KB
- Sample260731-hf269aweph
- SHA256 02ae094cf12420e3f81fc614356fc1e9fe664548b3586fba0aa1f637645f737f
- MD5 fcd7feae019031c4fb817bdcd366c38f
- SHA1 2544a3f9446837fa5c99b5e0016e58b40747cdaf
- SHA512 0c3691f72760ad1fb3f97c774d07caf9e958611426f9e94a40ce74a73b5d1843fcef0a056623002e563eff6efa82231772ea801b722a3f7894841460552c94ee
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4Wmj3NpA:vj+jsMQMOtEvwDpj5HWkc
- TLSH T164F2C6325FD50A76E3778BB694F7C282A622FD657D32890D908E37054933742E9A1E0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b884-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b884-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 700 misid.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 2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3340 wrote to memory of 700 3340 2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_fcd7feae019031c4fb817bdcd366c38f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:700
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 36KB
- SHA256 364d5a67e4cdd7c60e50c402f0ad60f6a8935ac4b60f0cd94bf3e709a08779d9
- MD5 afd1a69a1c44bf54f4c35a9fcfb34d58
- SHA1 f08165d6806237646840509442eff0028b879912
- SHA512 aefd8bdfa4008a6d52281fd866d50f0d2beddc138ff1c8e011fe93d30997623856d84d817af5c273b8e2fdd05a4e0a1e3c2c71ef2561ecccf894d5720f290671
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4Wmj3Npt:vj+jsMQMOtEvwDpj5HWkR
- TLSH T19E03C6325FD50A76E3778AB698F7C2C2A622FD657D32890D908E37054933742D9A1E0F
- MD5 SHA1 SHA512 SSDEEP TLSH