Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/08/2026, 15:58
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-14_5c22e4a070ba8464620de9e4aed395fe_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-14_5c22e4a070ba8464620de9e4aed395fe_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-14_5c22e4a070ba8464620de9e4aed395fe_cryptolocker_elex.exe
- Size 86KB
- Sample260814-tegdyaaf83
- SHA256 3a6b774a66d9e41df098d45f709dabc7a925876e4d5f6cdc8bd596ff5913d789
- MD5 5c22e4a070ba8464620de9e4aed395fe
- SHA1 225e0b9c46ed94a5b47ea15f6a473fb84955701e
- SHA512 0c0bf42b8132150722d1e551cdff980de6c22414dd6ffe19388bd655f0e0f63e3f0561371a88b6c1a098e71b4265d504e742616ac618b3f2c6150ebc68d1b76b
- SSDEEP 1536:bNvJCF+RbCGLFa8aLnWKgM7B2vPo+XGpO:bN4ENDa8aLX7BcPBv
- TLSH T19C830A3ABFC50B72C37343B115BBA1C1BB3AB9353626D55C649DA30C0533F18A9B2A49
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/5824-0-0x0000000000400000-0x0000000000414000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0007000000016b61-14.dat CryptoLocker_rule2 behavioral2/memory/4220-21-0x0000000000400000-0x0000000000414000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4220 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 2026-08-14_5c22e4a070ba8464620de9e4aed395fe_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 5824 wrote to memory of 4220 5824 2026-08-14_5c22e4a070ba8464620de9e4aed395fe_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_5c22e4a070ba8464620de9e4aed395fe_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_5c22e4a070ba8464620de9e4aed395fe_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5824 -
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:4220
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\demka.exe
- Size 86KB
- SHA256 d8954610607301a2b77a377c40436009afa61a5f36e1f335019c2c56450160cd
- MD5 f1714dbfa2cfe5c9ec00c29e98200554
- SHA1 09760b3c787e9182c367dde74d91c59e2dcc0b87
- SHA512 7205dbf100dd8d6ac78a03d523b71bb1683436f284532557880b24ec171450ffd5f9dfd3df53f0761158156ad2efc0f569c9672c29ada7e8a7a630cc20c00d99
- SSDEEP 1536:bNvJCF+RbCGLFa8aLnWKgM7B2vPo+XGpG:bN4ENDa8aLX7BcPBf
- TLSH T190830A3ABFC50B72D37343B115BBA1C1BB3AB9353626D55C649DA30C0533F18A9B2A49
- MD5 SHA1 SHA512 SSDEEP TLSH