Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 22:42
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-02_82a14ea176087776bd625fc51ce2902a_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-02_82a14ea176087776bd625fc51ce2902a_cryptolocker_elex.exe
Resource
win11ltsc2024-20260630-en
5 signatures
150 seconds
General
- Target 2026-07-02_82a14ea176087776bd625fc51ce2902a_cryptolocker_elex.exe
- Size 50KB
- Sample260702-2ml86acx6n
- SHA256 417bcb37bfede0b593d419280e9d1a9eb8a24456c086dc8fccdc9be9af42ddb9
- MD5 82a14ea176087776bd625fc51ce2902a
- SHA1 5b19a6781c435607fc4048f356922af7f004baa9
- SHA512 778dde8c1cc0b160a31e301e3d13c571ce3e35d7ddde78a7b6975673b9b1809696e5bf6fd8c791c246c20ad2fd189f72b370924b9ceff000c2a593a77c3548cd
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXZwkX7e:bgGYcA/53GAGgIvFb2
- TLSH T16B3332387FE62972E37BDFB586F651C6B97578223D16980D40CA43844833F66DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3520-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0006000000016b43-13.dat CryptoLocker_rule2 behavioral2/memory/5560-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5560-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5560 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 2026-07-02_82a14ea176087776bd625fc51ce2902a_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 3520 wrote to memory of 5560 3520 2026-07-02_82a14ea176087776bd625fc51ce2902a_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_82a14ea176087776bd625fc51ce2902a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_82a14ea176087776bd625fc51ce2902a_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520 -
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:5560
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 50KB
- SHA256 c8d156fa4230a09eeea80be8e61c9c8bd84a9ef1cc9b155523868ad6d16722a8
- MD5 8948c5d1adfcbafbddaf22eb1c8c2bc4
- SHA1 55f11c68fb0c93d94e797aebdf07d76831664236
- SHA512 7277284022fd7454edc01decc28644f84a8b1c46a7caf90b08df21ecff14f896e196100430177e2ae058a5f42c8c0fb9dd29cd99f539c68fa4905fa04d871e41
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXZwkX7k:bgGYcA/53GAGgIvFbM
- TLSH T1BD3322387FE52972E37BDFB586F651C6B97578223D16980D40CA43844833F66DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH