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
19/08/2026, 07:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_cryptolocker_elex.exe
- Size 41KB
- Sample260819-jpp4qadh22
- SHA256 6eec45227bbb73d1001d5b6c04f518652730594c18708ced2441ade32b18d561
- MD5 d2b8217c612617408cd6dcd6a5b8c337
- SHA1 33675b5436eb7765b62f5ba71df331fcb67947b1
- SHA512 fc47c314a961871119e555b1113bd72fbd79690fca977e1607b7a7a56becb77bb2851995c67c6af670c98bfac6639f8cc069d329def9c6cd6d31917fb75801b9
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXC7cI:bgGYcA/53GAGgIvFfI
- TLSH T1D41375387FE62972E37BDFB586F691C6B935B8223D16880D44CA53844833F62DC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2324-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001b83c-13.dat CryptoLocker_rule2 behavioral2/memory/3080-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3080-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3080 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 2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_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 2324 wrote to memory of 3080 2324 2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_d2b8217c612617408cd6dcd6a5b8c337_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324 -
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:3080
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5652
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 41KB
- SHA256 c2a9a1185422e670abe5c90f77b0a132f4da492a7ecb39e9f99e0192071cb280
- MD5 b6043fa638a948c5a7779abd82e72576
- SHA1 b7bbf0845964c0ab5b2193023f819640b65d1101
- SHA512 3547e2663ae3990bcefa21f3ba72eaf50eafefc7e6e0c775860e1778747665ed5290de7fa52ab8f5e65e69def8cdecf106f279c21861ba7e7cd7f1699ad73eb1
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXC7cE:bgGYcA/53GAGgIvFfE
- TLSH T1B81375387FE62972E37BDFB586F691C67975B8223D16880D44CA53844833F62EC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH