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, 17:45
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-08_7133e453903bbfd17c5e452de20f68b5_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_7133e453903bbfd17c5e452de20f68b5_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-08_7133e453903bbfd17c5e452de20f68b5_cryptolocker_elex.exe
- Size 68KB
- Sample260808-wbrrls1hph
- SHA256 29d3574f80991d048913fe52ea51626338731ac025d88cc724ceda38304608af
- MD5 7133e453903bbfd17c5e452de20f68b5
- SHA1 813c8c3e05f7912b05989d63fefcd5d973524f21
- SHA512 ccd237e924830df2881307fd718f4ad6f87dcb46e6a91ff12844b6fe5811772ed00f5ba6322429c2117220d1e63f994b94c31e80174dc08b0068e99bcad6dfb0
- SSDEEP 768:blvJCYOOvbRPD0ugXRNBi+IZz9E/5kn17AQu5ct3lUBqxE16b+zFBik:blvJCF+RNgBjRIw/vT/egRT
- TLSH T1B1630A3ABBC50B72D37303B115B7A1C2B63ABD213926D45D688DB34C0673F55E9B2A09
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000c000000019cc9-13.dat CryptoLocker_rule2 behavioral2/memory/5468-20-0x0000000000400000-0x000000000040E000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5468 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_7133e453903bbfd17c5e452de20f68b5_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 5256 wrote to memory of 5468 5256 2026-08-08_7133e453903bbfd17c5e452de20f68b5_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_7133e453903bbfd17c5e452de20f68b5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_7133e453903bbfd17c5e452de20f68b5_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5256 -
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:5468
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\demka.exe
- Size 68KB
- SHA256 6b606204d05970c23db6bda4186f9a3877b93d24320b65489666f706b711b879
- MD5 c9b37353e83828214249f086c38d3bde
- SHA1 45a44a5ec1425d5f04de03152f2b3383fc10339f
- SHA512 b2f3652fe7cad57d5db75c93d65179aa598d578892e6af9910c97a281df1e0aba842240f261e33dd050baa44f5b8a7f2b29cb0a1bc42400018fd88e69caf561e
- SSDEEP 768:blvJCYOOvbRPD0ugXRNBi+IZz9E/5kn17AQu5ct3lUBqxE16b+zFBiN:blvJCF+RNgBjRIw/vT/egRu
- TLSH T1E7630B3ABBC50B72D37343B115B7A1C2BA3ABD213926D45D648DB34C0633F55E9B2A09
- MD5 SHA1 SHA512 SSDEEP TLSH