Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/05/2026, 15:01
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe
Resource
win11-20260130-en
6 signatures
150 seconds
General
- Target 2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe
- Size 33KB
- Sample260505-sd558saw6w
- SHA256 2441167c77200ccfcaabdc11bf45cdf3400bb6e722dce95e5171519fb53201f1
- MD5 a5b9502fd06f5557f324e112779df075
- SHA1 dc16f038c1316b34218d76167a0f287bab09a43f
- SHA512 b67ef6d535753df3ff4a95671d0af024b941e1d6af3392090e1fc904de40776c7da0c9d84c85131793e70c4979c277a38901b895361c7fa6a38d84fb697decf6
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ajuma:vj+jsMQMOtEvwDpj5HsuL
- TLSH T148F2F9336FC51E76D2339BB295FBC682B623FD956831854D90CA37064933742A9A1D0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0009000000021698-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0009000000021698-12.dat CryptoLocker_set1 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation 2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 4936 misid.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 2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4884 wrote to memory of 4936 4884 2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_a5b9502fd06f5557f324e112779df075_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4936
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 33KB
- SHA256 dd8f0d93435e4724cdafff3b17cc5bb1aee1b958eb884d982638f0a679fc5c16
- MD5 d834c50cd5a6a844ef702a0f4bc2ab42
- SHA1 09f3050680258f9e1436045847b1d1e9f2a70b2e
- SHA512 d18ab3c259f5c1e2ad832624b0f66fe40e784ab27841d4a458317c61d1ca047db9283fa9984eb9362f745c01eadbe063878d64495d08ced8c454348263ed2eab
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ajumJ:vj+jsMQMOtEvwDpj5Hsu0
- TLSH T180F2F8336FC51E76D2339BB295FBC682B623FD956831894D90CA37064933742A9A1D0F
- MD5 SHA1 SHA512 SSDEEP TLSH