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
24/08/2026, 12:36
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_cryptolocker_elex.exe
- Size 44KB
- Sample260824-ps8ywstvbw
- SHA256 ca96afae4c14e5f27b81f511496e1d02a2fe7fa68b7be9004009446e984eeb74
- MD5 48aba26bd59f1c5d850569bb4d8649c5
- SHA1 af490d6444f82cd1d59805938c076e618c7bfd9d
- SHA512 d7629d5647c0d41b7783115ece34a5022cf8a16c007946ba1f6432d586fd600a89b2f08f731f580bda1e6bcfdab2bd03e5fe240b3948681195b9b8a0f8d62365
- SSDEEP 768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3x3:bA6YcA/X6G/zVinyUug3
- TLSH T162131C3C6AD62972D3BBDAB585F751C2BD35B8233A158C0E44CB13844C23F62BD9261E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3564-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000011390-13.dat CryptoLocker_rule2 behavioral2/memory/2500-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2500-20-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2500 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 2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_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 3564 wrote to memory of 2500 3564 2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_48aba26bd59f1c5d850569bb4d8649c5_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564 -
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:2500
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 44KB
- SHA256 e1193c3269ff99f39277bf98ab4891d1e0e5bfcf17b46822782bea628b841534
- MD5 1e664b4ab388721ef5b6a686339090b9
- SHA1 b41a6fb36ddf315aaf75a1135ac38b62982fbdd1
- SHA512 a444161a214be76e0a95e984f7af06f7aefe128e7436ec4ba8643b9651c3d809ee89cc0f77d24e6a64c01270fde556a9ff93b782c7e10d99c647dbd34062828c
- SSDEEP 768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3xB:bA6YcA/X6G/zVinyUugB
- TLSH T11F231C3C6AD62972D3BBDAB585F751C2BD35B8233A158C0E44CB13844C23F62BD9261E
- MD5 SHA1 SHA512 SSDEEP TLSH