Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/07/2026, 06:44
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-14_760688e41124a499d52d8a8762d1df4f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-14_760688e41124a499d52d8a8762d1df4f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-07-14_760688e41124a499d52d8a8762d1df4f_cryptolocker_elex.exe
- Size 41KB
- Sample260714-hhgy4aat21
- SHA256 f0ca713ffa3c89cf5bb75bdc82be6e7b3c4db5ccab33b1bccf2ac5c279e0beec
- MD5 760688e41124a499d52d8a8762d1df4f
- SHA1 6872eb0e37e7a201e7e24bb555ed86f84c5a4826
- SHA512 8324c090d6b7459ac4f126694ebf83f1acebc64e497c00b7b9478c76fb8985eeee08baff9e7492732aa44cbf23e7ef270864a5aeb4f3339eb8f0d3ef44744cf7
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCL:bgGYcA/53GAGgIvFK
- TLSH T16D1375387BE62972E37BDFB586F691C27975B8223D16880D44CA53844833F66DC91A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3400-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001100000001122a-13.dat CryptoLocker_rule2 behavioral2/memory/3368-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3368-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3368 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 2026-07-14_760688e41124a499d52d8a8762d1df4f_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 3400 wrote to memory of 3368 3400 2026-07-14_760688e41124a499d52d8a8762d1df4f_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-14_760688e41124a499d52d8a8762d1df4f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-14_760688e41124a499d52d8a8762d1df4f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400 -
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:3368
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 41KB
- SHA256 8f943771843da3d6f6625bb555419547d1b11dd84340aefb12f2d18ac5ab0aa3
- MD5 3d704cc1d4b568c820feff0607470984
- SHA1 881be44eb11c0ca18419056661ff5f537efa0cea
- SHA512 41828bf30b9afcc00474beb85d970616e60569afe3e683edf631b762f4dca20d60ba4b1207550921e17ad53962de82cef3b677d15730ff592355ad797f89d9d9
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCS:bgGYcA/53GAGgIvFr
- TLSH T1971375387FE62972E37BDFB586F691C27975B8223D16880D44CA53844833F62EC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH