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, 03:23
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe
- Size 30KB
- Sample260822-dxm2faea94
- SHA256 a7535237862c27a703584745881b4de4980f82d678e342c8322537100ead0061
- MD5 deba597f34143fd76bbb8912bcc1c32e
- SHA1 a09abf8542e60e2b62d4e383b0b38dac76e97aa3
- SHA512 e7a9adcef8187c298436a05758265022f830be607b4074c61ca9a11abde847dcb0e38625717fe4164db48e5552ae6a9092660cfdd2b055580a94b85de97ec5a3
- SSDEEP 384:bIDl1ovmXAw9PMDREhi9OUSPlRxMc/cip7IAfjDb4H0g/X2kEz8ILf3YH:bIDOw9UiaCHfjnE0S2kEz8i2
- TLSH T1B2E2C739BEE56872E277AB7554F39182A8747D123E24494E98CF73890932F27FC5210D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/2832-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a000000011390-13.dat CryptoLocker_rule2 behavioral2/memory/4904-19-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4904 lossy.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 2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2832 wrote to memory of 4904 2832 2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_deba597f34143fd76bbb8912bcc1c32e_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4904
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 30KB
- SHA256 783ddbba39aa437130b8985ee8e5ecdc4c42e9fe66ab1af17add2a14d7a928cd
- MD5 fda46f621e0504aff35e3a78407dd0a3
- SHA1 e004885192cf965f9722c4d412b4d8f84fc89518
- SHA512 8a461e4898b50af3c05fddb558704368ddfd5c0b5d69f418ff090c5bd7f20aeb925ac91decfbdcd48a9cc207fa6410db44690760d958c45e912f5357905b22e4
- SSDEEP 384:bIDl1ovmXAw9PMDREhi9OUSPlRxMc/cip7IAfjDb4H0g/X2kEz8ILf3YU:bIDOw9UiaCHfjnE0S2kEz8ih
- TLSH T10BE2C739BEE56872E2B7AB7454F391C2A8747D123E24494E98CF73890932F26FC5110D
- MD5 SHA1 SHA512 SSDEEP TLSH