Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 11:05
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe
- Size 90KB
- Sample260809-m6ynzawfre
- SHA256 54b134fe4b814d32a3058cc1bfbd13a880ab257066be99cc5819e28efd81e7e7
- MD5 97c4a13721b14e44a4ea555790830e4a
- SHA1 8df5424fe075bc139ffe09ec1b95610411828b9b
- SHA512 63b5fb6193d15cd7dbb18e12e5101a0dfcd39e3afadc5a5f4a84249fdea919f8ebde5589ab73dfc1228e229ae6390b7d9e4d03b5bfdb3a2ae5f5f091f3f3c65c
- SSDEEP 1536:bivJCF+Ro7NC2DHCxrxVWsgRb6VQcxULsbM569xAieMU2DVisziZY1F:bi4EYCsCxbuRbexUYEoxAiH3ziin
- TLSH T163931C3F7BC51772C36303B115B791C2BB2ABD353626D9AC545D920D0373F29AAB2A48
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000c00000001b87d-11.dat CryptoLocker_rule2 behavioral2/memory/1392-20-0x0000000000400000-0x0000000000410000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1392 demka.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 2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language demka.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1196 wrote to memory of 1392 1196 2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_97c4a13721b14e44a4ea555790830e4a_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1392
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\demka.exe
- Size 90KB
- SHA256 a71ec877efb9ee6c7553777cfdfad161c0c3443104bb73d47f7bcb43fea32d12
- MD5 e5b3cb49e68e4255599d5e394427ac08
- SHA1 92fec81a15da5d88726502af8ae9f27a971bf08c
- SHA512 24c4e6824d737d9598449c3bea2359647af57fc854eae405763fbd80039e476e119af3132e5d1bda62d91793748864ed9c11e6614f1ad372fcf581ab80f3c712
- SSDEEP 1536:bivJCF+Ro7NC2DHCxrxVWsgRb6VQcxULsbM569xAieMU2DVisziZY1h:bi4EYCsCxbuRbexUYEoxAiH3ziij
- TLSH T128931C3F7BC51772C36303B115B791C2BB2ABD353626D9AC545D920D0273F29AAB2A48
- MD5 SHA1 SHA512 SSDEEP TLSH