Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 06:45
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe
- Size 53KB
- Sample260910-hh2nhasvcz
- SHA256 d6440e14d64e6440dcb6d4f2e75358ed60471cb31ecaddd880647213293151ce
- MD5 2c3d8d12588cdf112c3b65bef7ddddd5
- SHA1 df90403d69617d8256bb19e97dd8870c639d3105
- SHA512 ed7435239da1bd9d5494769a424cf15b9063e31d6c2d837ce0e75b5f742f23a4596d5f253c85f7e34a4e782694086b01fb7f41288b1cf362a85823138e3a0f6d
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/xXzqQ:bgGYcA/53GAGgIvF9v2ZKqQ
- TLSH T10A3312387BE56972E37BCFB586F691C6B93578223C16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5732-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000016cdf-12.dat CryptoLocker_rule2 behavioral2/memory/4432-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4432-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4432 hasfj.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 2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5732 wrote to memory of 4432 5732 2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_2c3d8d12588cdf112c3b65bef7ddddd5_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5732 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4432
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 53KB
- SHA256 3911188c5df0d9731cd313614b3f061a5f48b673c2200e5286058f9c6f0e6d56
- MD5 3f65f74ca6f89e6a5f6ee78696292d92
- SHA1 c6fea0bdbc4b5e328afc3a660852d9b3f378e7f1
- SHA512 e110f17c5b843f42cc1cfbd8f0e8292215def05c539dca576f465028ec1135f450e3ad15877b1d05e178cb68421ce65935e685cd419f2d01e28d093060b9f6bc
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/xXzq4:bgGYcA/53GAGgIvF9v2ZKq4
- TLSH T1083312387BE56972E37BCFB586F691C6B935B8223C16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH