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
22/08/2026, 09:20
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-21_9e95d302fbbbc7fad70e7d8029435451_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-21_9e95d302fbbbc7fad70e7d8029435451_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-21_9e95d302fbbbc7fad70e7d8029435451_cryptolocker_elex.exe
- Size 27KB
- Sample260822-la9wpashmd
- SHA256 9fc0f5106ee6d98b5e11b16cd0e6da932529cad138b699e600de2b6f017bba5b
- MD5 9e95d302fbbbc7fad70e7d8029435451
- SHA1 bc032e053db221e9843311992687c0651d88b86a
- SHA512 5ab0f99661435eae36bbd843b945d76633bbd85f77dd0922e1fe240bab6d5b9e5b812e771b342fe22f76df6a28383c8d493387b64457bda8251a628683f7313c
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHjF:b674zYcgT/Ekd0cqfjzZ
- TLSH T105D23C357BD73C61E27B5EB055FBA042B97BBC223E35484E58CF7348C972791A44244A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000e000000016cb6-12.dat CryptoLocker_rule2 behavioral2/memory/4768-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1828 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 2026-08-21_9e95d302fbbbc7fad70e7d8029435451_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 4768 wrote to memory of 1828 4768 2026-08-21_9e95d302fbbbc7fad70e7d8029435451_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-21_9e95d302fbbbc7fad70e7d8029435451_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_9e95d302fbbbc7fad70e7d8029435451_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4768 -
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:1828
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 27KB
- SHA256 1a7f2c3fbb9b4f925598a1bf97f9eb8bb049c94b89684473298829d218458ab4
- MD5 81367ea2e62d44486bbc9f072dfb0e4e
- SHA1 7c72f7b6ab6f289458bbca600ce45a233bb8b8bc
- SHA512 bdb8b85d9468b0d2aa7c4110c9623c7ef62136887a63ed3dbcdb1773c878d5a1c595c05f9a54203df2a078d89d1e97b5dfbe2aee80140dedfa3a3463d784f0b7
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHj2:b674zYcgT/Ekd0cqfjzC
- TLSH T12CD23C347BE73C71E27B9EB055FB9042B97BBC223E25484E58CF7348C972751A84254A
- MD5 SHA1 SHA512 SSDEEP TLSH