Analysis
- max time kernel
148s - max time network
150s - 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, 13:24
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_f27d04fb4cac624e92b9cb4ab993cf66_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_f27d04fb4cac624e92b9cb4ab993cf66_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_f27d04fb4cac624e92b9cb4ab993cf66_cryptolocker_elex.exe
- Size 50KB
- Sample260802-qnckkatdpf
- SHA256 80e5cb1dd2451e4704082d2f0ac62894946265cf88084a3b2d2bc8aa1227f6e8
- MD5 f27d04fb4cac624e92b9cb4ab993cf66
- SHA1 a83bb2ba4fb23f457a2452eceac8324e6e001d8e
- SHA512 6be077b9432783d43e5665a053890beccce11a7d6831ec8c51d90867e63b9ed4e3dbf8cdf50832451af3625528b416dd966d80e9b25962c686875176515f9b1d
- SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCC:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5RC
- TLSH T1E4331E395ED51A73E3B7CAB685F681C3B922B8233922990D50CE27414D33B52FDA1D1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000600000001b6f0-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000600000001b6f0-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3856 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_f27d04fb4cac624e92b9cb4ab993cf66_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 4380 wrote to memory of 3856 4380 2026-08-02_f27d04fb4cac624e92b9cb4ab993cf66_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_f27d04fb4cac624e92b9cb4ab993cf66_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_f27d04fb4cac624e92b9cb4ab993cf66_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4380 -
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:3856
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 50KB
- SHA256 68a33075de202a1a85b9466b47d0b07a2db538313adab28bb828f0ffdcf89ae8
- MD5 939d7a5d97f015df75b99406927bb439
- SHA1 831321e8f312697ba9d73b8fe033758230163012
- SHA512 d44fa530fa1570e7efaebdcd047998715a2e9b84623da00587671dd2042ff9bea758cea1b1d0f0ca7497d883681e0e14b6e775a1c7f1c84f9b1138ed5d147620
- SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCpX:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5RZ
- TLSH T187331E395ED51A73E3B7CAB685F681C3B922B8233922990D50CE27414D33B52FDA1D1E
- MD5 SHA1 SHA512 SSDEEP TLSH