Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/07/2026, 09:21
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-15_ca29158fef796713198d83294d59c590_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-15_ca29158fef796713198d83294d59c590_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-15_ca29158fef796713198d83294d59c590_cryptolocker_elex.exe
- Size 1.0MB
- Sample260715-lbbqaagt4m
- SHA256 1c91dd640f390b02e14b6f95d5076f30cec03b639a2eed2836cf1623d9b25452
- MD5 ca29158fef796713198d83294d59c590
- SHA1 5de5919ef936b47f38ae728a26e3aab756fe824a
- SHA512 45d378e58e686fa6c2598be4e3566f041243699e20f1d327aeed48e2f3587b93e0b7c900a235d3afd9d57429ba35edb5cc13239cae2c64e1e44199ad7c626d68
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPq3e:bGbvflT/ZFIjBzhxwOgXKarY1iBb
- TLSH T13A2519BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3168-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000011390-13.dat CryptoLocker_rule2 behavioral2/memory/980-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/980-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 980 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 2026-07-15_ca29158fef796713198d83294d59c590_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 3168 wrote to memory of 980 3168 2026-07-15_ca29158fef796713198d83294d59c590_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-15_ca29158fef796713198d83294d59c590_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-15_ca29158fef796713198d83294d59c590_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3168 -
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:980
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 1.0MB
- SHA256 2beab68d6c446af0a70ca7de77e9fd8b7a5c3267d1b59c9c9a054f657169503c
- MD5 f4d1d1f30d882a8db4fc7ed50edd0ab7
- SHA1 16d019fbbce1324a30057ba5e59a5beb34eccd8b
- SHA512 e7365259ed02dc8e533dd00d31dff7dfbe97f3d66fcd9bcd45f44f0e0dc83a7dd3c7e04f8f0a87fe4c6fca26f507aabd86fcbf6814543708935b805b1cee67bf
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPq3x:bGbvflT/ZFIjBzhxwOgXKarY1iBQ
- TLSH T1202509BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH