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, 04:36
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-22_1db369e1dc38ce59b4ab69db56022a03_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-22_1db369e1dc38ce59b4ab69db56022a03_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-22_1db369e1dc38ce59b4ab69db56022a03_cryptolocker_elex.exe
- Size 44KB
- Sample260822-e8lhes1clf
- SHA256 6bc27bd47a249204d17eee6faa1abf1815a782a8b80d90aa8fd72a451bcefe20
- MD5 1db369e1dc38ce59b4ab69db56022a03
- SHA1 5f63dc63702bd81968174b51919376a6489099b3
- SHA512 ffb4e5946bd88ca65215489381f5502fb5056cdf03c649aabf0e1ad4e8a041f928e684f943fd7046df2fbde56c17a86dcd9996898191100ac24722d8d2b964c9
- SSDEEP 768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4Uu6EIEIDKo+v:bIDOw9a0DwitDwIzDKx
- TLSH T19923FB3C6EE56872D3BB9AB599F351C2BD74B4123A159C0E44CB53850C22F17FDA260E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/4300-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000019cb8-13.dat CryptoLocker_rule2 behavioral2/memory/5860-25-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5860 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_1db369e1dc38ce59b4ab69db56022a03_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 4300 wrote to memory of 5860 4300 2026-08-22_1db369e1dc38ce59b4ab69db56022a03_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_1db369e1dc38ce59b4ab69db56022a03_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_1db369e1dc38ce59b4ab69db56022a03_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300 -
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:5860
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 45KB
- SHA256 3aff0be84b153ed3a559dc6e933c51a03fa8b35f9d879d333fed7c70bb616ba0
- MD5 d698cd42a4d79c9b0813246b3a313961
- SHA1 ace7a4fd362c8d219b7ea8543d9cb96822ecddcb
- SHA512 91744cd4524a745d71b6da3381509a8d18929b48cfd18bd21229e25cfdba0c757c5f80e8d4b3896588a18fe9e9d89330cfdc37f3fa58a282663d03b34bea6f4d
- SSDEEP 768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4Uu6EIEIDKo+T:bIDOw9a0DwitDwIzDKt
- TLSH T17723EB3C6EE56872D3BBAAB599F351C2BD74B4123A159C0E44CB53850C22F17FDA260E
- MD5 SHA1 SHA512 SSDEEP TLSH