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, 00:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe
- Size 29KB
- Sample260910-a6xqfsvxew
- SHA256 9189e6ba32f711135218a405fa4448e199777d5f740517fd6b76663744b1834c
- MD5 06294c60d1bd53d2dc2c517c7e57ad71
- SHA1 e19b09ace75ef5abdc03cf4c19c33162cb20929a
- SHA512 c026567789ebf27d3d740c3c6915d0a31c375c4d7068f5e3007cb35a51452da3bb93cfb5ec7a55fd4751d63bfb8d9f4650b39b0cac38906340939c77344d2174
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDz/3yIlk9o1Z:bA74zYcgT/Ekd0ryfjLz/blk9oT
- TLSH T14ED20A387BD73C72D2779EB455FBA182787A7C223E25484E68CF3388C932751E84254A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3632-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001b1d0-13.dat CryptoLocker_rule2 behavioral2/memory/3392-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3392-26-0x0000000008000000-0x0000000008009000-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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3632 wrote to memory of 3392 3632 2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-09_06294c60d1bd53d2dc2c517c7e57ad71_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3632 -
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 29KB
- SHA256 7d6781ea4b1f1523ae9f974110c2dc236f148a21f0d940855f2702434c12eb46
- MD5 5bd244ccb6fd364fc714d0a518858ae4
- SHA1 8856d158d6669888395a713e45acc9022325fa42
- SHA512 42e0e3331d7a27e292fdfdd6c65a898a66f7ede6bd4ae1bb1b01637ada867e62f69c5240d9aad0fb15d602a73c7e241ee8f8b335618b7b6be537ee37ac97f6b5
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDz/3yIlk9o1oq:bA74zYcgT/Ekd0ryfjLz/blk9oR
- TLSH T111D2FA387BE72C72D2779EB455F7A182787A7C223E25484E68CF73888932751E84254E
- MD5 SHA1 SHA512 SSDEEP TLSH