Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/05/2026, 04:16
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe
Resource
win11-20260130-en
6 signatures
150 seconds
General
- Target 2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe
- Size 76KB
- Sample260504-ev1eesb18y
- SHA256 2c3a7122a32840438aa6cb535409e3462b886aeab675cb9fd5b2730a2178583e
- MD5 995ea395033b16e5cc89e36df30f0a23
- SHA1 820799bcd6a74b9cc68aeb3927efa93973b9beee
- SHA512 79cebbb8d42ebb4aba795958e28a4f33d4bab27a93cbb8590c42edf933a11ffdaa705daa2e782fe75cef7cc09089a798a2bd2b4fccfe5b9401ad598163015202
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkik:vCjsIOtEvwDpj5HGWY0Rkfj
- TLSH T1E273FE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00070000000232df-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00070000000232df-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-1-5-21-721190819-434563495-2007910846-1000\Control Panel\International\Geo\Nation 2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 3188 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 misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 704 wrote to memory of 3188 704 2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_995ea395033b16e5cc89e36df30f0a23_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:704 -
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:3188
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 76KB
- SHA256 5acb55ff252f0438de9e1beda43c61108334d673b62e290889849dd8d45a46f6
- MD5 4388fe5f9858d20cbd6a483b0dd1c4fc
- SHA1 c3f7a2b19fadcbcce813ad34059f12c0aa985b0a
- SHA512 6677baf8c5becbb48a84adbf5971838f9a38394d37ac69aa44e6e0f5399ddb7560ae1b29016f3db4abb88ef89973d7efd9efcb2fdb73fa5dc11f529bf9459fe8
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkiw:vCjsIOtEvwDpj5HGWY0RkfP
- TLSH T1D073FE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH