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
10/08/2026, 06:39
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_cryptolocker_elex.exe
- Size 45KB
- Sample260810-herdcsshpd
- SHA256 5b9eb58068c710ce09da4a72f3d846312ad731239f478dcdef49f17ebc02a623
- MD5 32733accfc8e24b3087d3f849e7c6fcc
- SHA1 8afee59e6f47f93f6ee5e300d33be0d6f6c2dc36
- SHA512 cf2a45b3a3bdcfc7c29c6e2347a0e84ede449aec5957434137da134654d45db0b6a4cb475948834b86d3d4f24fcc518ffe2c94c33194a301cd1178722cdc743d
- SSDEEP 768:bAvJCYOOvbRPDEgXRc+BA/b35vSse4gEyVGCC/:bAvJCF+RQgBa56suxVlY
- TLSH T18723E6367FD51A72D33782B105F7A1C2BE36BD223916D82D248AB3480933F55ADA1A0D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x000d00000001b1d0-13.dat CryptoLocker_rule2 behavioral2/memory/4384-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4384-22-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4384 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 2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_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 5012 wrote to memory of 4384 5012 2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_32733accfc8e24b3087d3f849e7c6fcc_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5012 -
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:4384
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\demka.exe
- Size 45KB
- SHA256 b2cb224559fe027e10a84cd7d847d8d6c14c0076303b4b4934e07b78cdf3e617
- MD5 1295ce2d4c3d09e0ca057ad3bdba6837
- SHA1 57bc3859f287c231b0c160a0b08a9001ab12f2f3
- SHA512 c5e7b38cd318bd60fbc6e5b64506fce84b8b861aa96ba5e97bcde077f2a0989fb7c27619bfb01e9caa640b9bd5a55b718c91ebb5f415a9ad5eb70bfccc6b6f58
- SSDEEP 768:bAvJCYOOvbRPDEgXRc+BA/b35vSse4gEyVGCCi:bAvJCF+RQgBa56suxVlZ
- TLSH T15423D6367ED51A32D33786B105F7A1C2BE36BD223916D82D248AB3480933F55EDA1A0D
- MD5 SHA1 SHA512 SSDEEP TLSH