Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 01:09
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe
- Size 54KB
- Sample260802-bhtjkabj8x
- SHA256 4f7e3aabde58dacfd5dd8acf9c074476e5423c5c53fdfb696adc6f0401645b64
- MD5 24fc3e075835d465c2ab50ebef3042b5
- SHA1 6d1b87ae61e5f9d01db4f4fcb7443423e2f8b83a
- SHA512 5ce17ba6e4958480a50a0f74698bdfb23992ca52f82bf7a5d732508067564e586203c2c7195cb31bf8de8e2bc4ae6e13567511b732030789e281f4f45ce61772
- SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8b:Z6a+pOtEvwDpjv9w
- TLSH T1DF431E386FD51A72E377CAB585F682C3B936B8237822990D50CE17414C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000f00000001b664-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000f00000001b664-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2256 asih.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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5804 wrote to memory of 2256 5804 2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_24fc3e075835d465c2ab50ebef3042b5_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5804 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2256
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 54KB
- SHA256 6afa90f06f7707be9298ceafc1ca6f68da59ee875ae8b346bcfd788622350948
- MD5 543d3bbd69eecb32c5b66b60b7e8a241
- SHA1 1777bfd87c5ae31ae70b69444df36ad3834a556e
- SHA512 7dc91842da3d51897aaeaf18bde7184eed7d60ec09590e545c9c3a7c9655fb19ac8691fd44dbd782fbd7f18a6f0f52eba40c587624982402439bb08614116a72
- SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8R:Z6a+pOtEvwDpjv9e
- TLSH T1EA431E386FD51A72E377CAB585F682C3B936B8237822990D50CE17414C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH