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
25/08/2026, 15:00
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe
- Size 42KB
- Sample260825-sdctpahf32
- SHA256 782ff6f4cd817fcf1ac8a8183337948d3d49319c393353eaae3fcbf57f7f0719
- MD5 3d94191e76faf65d0d61248d1bf700ae
- SHA1 a3fc87936ceb2d841510a09953e87c891b781648
- SHA512 db7d741c9b596d70614b9c5442ce061a13281838f8266df0c13fdbe0178694ce016cae91ab34e025f459f29452d272424654aa7e926ea7427e875ae355d80e39
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCPEYva:bgGYcA/53GAGgIvFuEOa
- TLSH T18D1376387FD62972E37BDFB586F691C67935B8223D16880D44CA53844833F66EC91A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4312-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001b85f-13.dat CryptoLocker_rule2 behavioral2/memory/3012-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3012-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3012 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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4312 wrote to memory of 3012 4312 2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_3d94191e76faf65d0d61248d1bf700ae_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312 -
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:3012
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 470af4936dc32532b921d4c2159c46f8fafcfc32acb192c42d80813a2d998bc4
- MD5 93bf858f049f898a61bc91cbb650fe3d
- SHA1 888ff704f7633d48eae3c4cb1684359e9a5f4025
- SHA512 65dee9d00bff30407a97141e68cf9411100fef23f49a296eea53a348d1d75156e0a52f5d05541be55e76ddd80bbb914b970582e38d3e072f5220a4d474309fe6
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCPEYvy:bgGYcA/53GAGgIvFuEOy
- TLSH T1611365387FE62972E37BDFB586F691C67935B8223D16880D44CA53844833F66EC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH