Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 11:22
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-08_f0b29e2946e777f923b1b047e1a4820f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_f0b29e2946e777f923b1b047e1a4820f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-08_f0b29e2946e777f923b1b047e1a4820f_cryptolocker_elex.exe
- Size 90KB
- Sample260808-ngvfpawapc
- SHA256 e84caa42c56860ea44161b131c06b4d46c7dc5ba2d316cda0d3946cc722fe525
- MD5 f0b29e2946e777f923b1b047e1a4820f
- SHA1 03196cdcee3180768ce72f498b53431b347b269a
- SHA512 5bd4149db3723ddd2210be65c58dea7a6c943a31b9d37b3a0584b6d9129b2df746c5e020d4d21b815784ce937822493faf1877e19cb9bdd11aa83ba4ce3a2376
- SSDEEP 1536:bivJCF+Ro7NC2DHCxrxVWsgRb6VQcxULsbM569xAieMU2DVisziZY16:bi4EYCsCxbuRbexUYEoxAiH3zii8
- TLSH T1B9931C3F7BC51772C36303B115B791C2BB2ABD353626D9AC545D920D0373F29AAB2A48
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000500000000053e-13.dat CryptoLocker_rule2 behavioral2/memory/2336-20-0x0000000000400000-0x0000000000410000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2336 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 2026-08-08_f0b29e2946e777f923b1b047e1a4820f_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 1188 wrote to memory of 2336 1188 2026-08-08_f0b29e2946e777f923b1b047e1a4820f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_f0b29e2946e777f923b1b047e1a4820f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_f0b29e2946e777f923b1b047e1a4820f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188 -
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:2336
-
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 a23b1385a629d13ef4085631686097be4735dce1248158992879cac086782bde
- MD5 29b28045ea4def06216f75bc84b99c10
- SHA1 119d02458129a59116c91cc2c7ec4d2cffa53d22
- SHA512 1d6a764c3a98357c9dc525f5b33a7c4498550420f600b677f9ee2d652c2a7861ddf3dcb8d6d000c7fb02bd02c82cd1d6783596f0ca687d5604d03e764e3de915
- SSDEEP 1536:bivJCF+Ro7NC2DHCxrxVWsgRb6VQcxULsbM569xAieMU2DVisziZY1K:bi4EYCsCxbuRbexUYEoxAiH3ziic
- TLSH T112931C3F7BC51772C36303B115B791C2BB2ABD353526D9AC545D920D0373F29AAB2A48
- MD5 SHA1 SHA512 SSDEEP TLSH