Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 09:26
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe
- Size 54KB
- Sample260804-leew4swgpf
- SHA256 0b952ad5f20f553af2c03c397e28754d5559f5df1dd3ebd5c67f95e48e043935
- MD5 d9302bfa595f75006df1c2bc5a53bb69
- SHA1 842d4020547cfb5a3baa7eb48f62c586b92a87b6
- SHA512 672f23bc1984183673674b2e75200e192cc71ea2d1b2bede3486734b1f9bbed12acde9ff515206b021611e53cbd61dd860c12da541a1b5e964158aacee3d7f04
- SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8G:Z6a+pOtEvwDpjv9B
- TLSH T125430E386FD51A72E377CAB585F686C3B936B8237822990D50CE17410C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000800000001b85f-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000800000001b85f-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2404 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 2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4072 wrote to memory of 2404 4072 2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_d9302bfa595f75006df1c2bc5a53bb69_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072 -
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:2404
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 54KB
- SHA256 3e9183b995e36d9ca57a5336c21e3e62893c280292daf807dfd6f9c22bbc9710
- MD5 cf17ebd2a5bd940e8e28cb94378a0fd6
- SHA1 3b670c8af4b2ca6d581557e1eb0a950f22267892
- SHA512 ac34ef70e384a296b689093f45623f7ec4a8e3bbfb97aba659a1794c366f2819d28e4c2e2e78160e5c57d58d7274b229acb326a97ae3b1dc160ced2524ed18d6
- SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8H:Z6a+pOtEvwDpjv9k
- TLSH T185430E386FD51A72E377CAB585F686C3B936B8223C22990D50CE17410C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH