Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 07:53
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_da7e5e48bade518f77247b20f633ea16_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_da7e5e48bade518f77247b20f633ea16_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_da7e5e48bade518f77247b20f633ea16_cryptolocker_elex.exe
- Size 50KB
- Sample260802-jrd48ser6t
- SHA256 858035d1bfe50007785d047523d97225a999e6e3ac91333d5174f82d666f70ff
- MD5 da7e5e48bade518f77247b20f633ea16
- SHA1 3ce99b735270ca86310438c4a1081e95b594bd09
- SHA512 61b9a688bd193405d517f5a6dd0cc20252cd997efdb3ec6c79ab3ce2848c6a95e61492eb149b95aa9124d859da481f0cf1796d3aab33a98e426d63d4d088b36a
- SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCX:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5RX
- TLSH T1AA331E395ED51A72E3B7CAB6C5F681C3B922B8233922990D50CE27414D33B52FDA1D1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000800000001b1d0-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000800000001b1d0-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 5488 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 2026-08-02_da7e5e48bade518f77247b20f633ea16_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 2660 wrote to memory of 5488 2660 2026-08-02_da7e5e48bade518f77247b20f633ea16_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_da7e5e48bade518f77247b20f633ea16_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_da7e5e48bade518f77247b20f633ea16_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
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:5488
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 50KB
- SHA256 a73807339212c6f3591e752d73adff1ed14a45fd13f2cd2444a864590652df40
- MD5 cadbf5d50892799f07822519a9960396
- SHA1 10576fb434b54e9a713f68544f462ae9c290db3f
- SHA512 09aac70d42625753e3f9c8b219f768e61e5a193ef3ac4950afe3d7ea54adca0e820adaca45c9be31f43b967652ed2ef6046a775614082c614c63c0f357eb5c8d
- SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCi:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5Ri
- TLSH T1E3331E395ED51A72E3B7CAB6C5F681C3B922B8233922990D50CE27414D33B52FDA1D1E
- MD5 SHA1 SHA512 SSDEEP TLSH