Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 22:24
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe
- Size 47KB
- Sample260824-2bs8bszwdz
- SHA256 81bcda0d8628a539924e1e50decc250949edd96a6410da0ea4c7a040591e7d2b
- MD5 e08e4448b6c69ec56c36c51efd44ee1e
- SHA1 bc7811c6a6d825d99765296a527e70c5cad32399
- SHA512 ad274e1f2cc57ce4185dadf6ac361810c977deb3c00a57c1e36728f673e426e70038b72441f2f7c72d8a28d55b1ef43005d13d22be1d3c7f1af4f2214824770b
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhuR:bgGYcA/53GAGgIvF7EkR
- TLSH T1D82322387FE62932E37BDFB586F691C6B975B8223D16980D40CA43444833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4168-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001200000001b664-13.dat CryptoLocker_rule2 behavioral2/memory/1148-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1148-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1148 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 2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_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 4168 wrote to memory of 1148 4168 2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4168 -
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:1148
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 47KB
- SHA256 f4893c2d56bac5b4d36759238c1f6fa8142df1e90d4b61a742eb62522f9358f4
- MD5 b6d435c30091364f406a0178b067ace8
- SHA1 484416f1c4d7209c174155c51d5a3f0311864d05
- SHA512 75f3ce02e7ac18982b1c3408315da97285ae0cacb1f55cdeb3d2b29fa81f3370a89ec9ee035e41f13b3c904a42373c1b8a3da4cf39088fe235baf1d4617ae043
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhuC:bgGYcA/53GAGgIvF7EkC
- TLSH T1582322387FE52932E37BDFB586F691C6B975B8223D16980D40CA43444833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH