Analysis
- max time kernel
150s - 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
10/09/2026, 03:29
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_cryptolocker_elex.exe
- Size 42KB
- Sample260910-d191dax1ax
- SHA256 f656f285410af277b1a2ca4a921d9288257d2e0038aa81e699e6a7ad5201b38c
- MD5 ae56a50d9ed6e3fa693ff9743feebe6b
- SHA1 bdca100842a7f66c9fef420173a42cc2c6a87dce
- SHA512 ce2e70741c92aab288be19def4ffc7fae58b19a36d245a8a2edb3d5ec25b8569f27cc84b70a27275d8b0573949493dc3c4b9b1ddcd905a678051091d31439327
- SSDEEP 768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3xu:bA6YcA/X6G/zVinyUugu
- TLSH T1CC133D3C6AD62972D3BBDAB585F751C2BD75B8233A158C0E54CB13844C23F62BC9261E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4384-9-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000500000000053e-11.dat CryptoLocker_rule2 behavioral2/memory/1960-19-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1960-26-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1960 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 2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_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 4384 wrote to memory of 1960 4384 2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_ae56a50d9ed6e3fa693ff9743feebe6b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4384 -
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:1960
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 745180e6672c66bee34384532468d6371b47c2fc6d301f7e7aede35b04046892
- MD5 8a1dcaab714b23e9bf9a8077fc09aa33
- SHA1 f927ab58a24f0c86ef8bf03badeb17bce5425603
- SHA512 38eb284120d958ce0b3f34e6d2b759e090fe27922fe7009554b6d5d7ce54ba69eadf3e20c772c2af8e00f6d72ed6a21c9a987e4230b292989e77c7f2a9fe8936
- SSDEEP 768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3xp:bA6YcA/X6G/zVinyUugp
- TLSH T1D4133D3C6AD62972D3BBDAB585F751C2BD75B8233A118C0E54CB13844C23F62BC9261E
- MD5 SHA1 SHA512 SSDEEP TLSH