Analysis
- max time kernel
150s - max time network
148s - 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, 02:00
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-08_e844a6077c5429f7385ddf5efb3ce665_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_e844a6077c5429f7385ddf5efb3ce665_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-08_e844a6077c5429f7385ddf5efb3ce665_cryptolocker_elex.exe
- Size 47KB
- Sample260910-ce2w7scn2w
- SHA256 13ae4769aa5353ac8d9ac870652b0b929348d6ecc0f7c1533a6e77bd062b567c
- MD5 e844a6077c5429f7385ddf5efb3ce665
- SHA1 1af30ed2f73c12a02452d8818980a1a53c7acc8d
- SHA512 2d4cb114754b8d38204f4f2f7991277c9ee1e260cde1205fd0655285f8e1a5a1167662ee945579ac753705496d7333090f1d5222bbf0cebc33336faf5281f168
- SSDEEP 768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3x4GArUa:bA6YcA/X6G/zVinyUug2rUa
- TLSH T1BC23EA3C6ED52972D3BBDAB685F751C6BD35B8233A158C0E44CB13840C23F66AD9261E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/800-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001b85f-13.dat CryptoLocker_rule2 behavioral2/memory/2572-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2572-26-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2572 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_e844a6077c5429f7385ddf5efb3ce665_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 800 wrote to memory of 2572 800 2026-09-08_e844a6077c5429f7385ddf5efb3ce665_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_e844a6077c5429f7385ddf5efb3ce665_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_e844a6077c5429f7385ddf5efb3ce665_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800 -
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:2572
-
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 86b80bdfd9cdbdf6927046cdf874d8460fb14b1f2c2b1cc4a28b47761fbd0fd4
- MD5 5a90f73ac6347c24be39dde92199a3a1
- SHA1 29291c1d43f46430e51da97f1a38f2019c49ad65
- SHA512 08b224d6137540a42942397ef135927e28eedb830ce7b5011b4a021e30336e70cb0684a40ee81954eb13379a9ec1cef43eed30b299bdc083e9b38b44d5d696f1
- SSDEEP 768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3x4GArUD:bA6YcA/X6G/zVinyUug2rUD
- TLSH T19B23EA3C6EE52972D3BBDAB685F751C6BD35B4233A158C0E44CB13840C23F66AD9261E
- MD5 SHA1 SHA512 SSDEEP TLSH