Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 23:42
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-09_e070c489bed4f5815c28f75d1fbf3884_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_e070c489bed4f5815c28f75d1fbf3884_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-09_e070c489bed4f5815c28f75d1fbf3884_cryptolocker_elex.exe
- Size 42KB
- Sample260809-3qeh6axdrd
- SHA256 16398589cc753db60dc4aef329c05e7919fa479201cb99d007c065c7719556de
- MD5 e070c489bed4f5815c28f75d1fbf3884
- SHA1 003e7ac3fc3fd46a524e3a4de6365c0c69e17dae
- SHA512 3e3b1987c37b1b521a7b908389c75e0d0e280a094bd5e484eaff2e57e767e6fb4cc83236f50c888be7bf86bb7bfac14fcc61e49c9c03c1472dd19ab35f29b0b5
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCXV:bgGYcA/53GAGgIvFg
- TLSH T1B01373387BE62972E37BDFB586F691C67975B8223D16880D40CE53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/6012-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000011377-13.dat CryptoLocker_rule2 behavioral2/memory/3120-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3120-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3120 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 2026-08-09_e070c489bed4f5815c28f75d1fbf3884_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 6012 wrote to memory of 3120 6012 2026-08-09_e070c489bed4f5815c28f75d1fbf3884_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_e070c489bed4f5815c28f75d1fbf3884_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_e070c489bed4f5815c28f75d1fbf3884_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6012 -
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:3120
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 2a7df0821ccff8c0ba662281dd96f4bdfea169ce583b9464df79f812a1cf00f1
- MD5 a8d44c125b94d43f9f7325bc4707b4c3
- SHA1 1a84fe78abf833eff81bb2d2d174d13ebd0e8a34
- SHA512 b0707e4f1464aca7fb43ee7aabbbd508da0fdafe54d6c32aa8199a91e0a4122e07e6d831d4b8d8b943fea1626ec6ad5f86d0e0b8c0b8b631c243a2a4e74b94e4
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCXV:bgGYcA/53GAGgIvFo
- TLSH T1141373387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F61DC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH