Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/08/2026, 02:24
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_cryptolocker_elex.exe
- Size 48KB
- Sample260811-cvw1wstdjf
- SHA256 160a3db3593bbd72dba102be80a76bd2e5f754e6633f610ca196ced566a71955
- MD5 c68a5936efb23f8ed9757f0ed9b421a3
- SHA1 2a174baf34837464b50e8743f69df9adb2fc7208
- SHA512 e0f5d104e31b99e9928b316428273fb908bec9b9d6a6580cd69e7ddb212a49fe0d16a2e82d7fb2cd8f218f9d07a2b2e59a2dc1d42b9b249f0cf747ceb2505cb0
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIKJTAd:bgGYcA/53GAGgIvF9v2ZZd
- TLSH T1E83333387FE66972E37BCFB586F651C2B935B8223D16980D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3948-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a00000001b315-13.dat CryptoLocker_rule2 behavioral2/memory/3392-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3392-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3392 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 2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_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 3948 wrote to memory of 3392 3948 2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-11_c68a5936efb23f8ed9757f0ed9b421a3_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948 -
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:3392
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 49KB
- SHA256 f1ef36d2e69c68593d4408bff299c88a6759e552aff0423db0381db1ae10f5fb
- MD5 10cdac824a437c729839760c04b5fdff
- SHA1 4fd849d43d4eb2e1bd76119d1199dfc7aed91ed0
- SHA512 84582083c1dafa9cf412bb81f93e53d4c6d6e63927fb327d6a83c24ec107fa2fcd6a4606c73aba873731f7d28ffd24dccca743823656503307f2540e2af30449
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIKJTAQ:bgGYcA/53GAGgIvF9v2ZZQ
- TLSH T1A53333387FE66972E37BCFB586F651C2B935B8223D16980D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH