Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 14:26
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-10-01_55cbd8b7ebb47e2319d94837a748a703_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-01_55cbd8b7ebb47e2319d94837a748a703_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-10-01_55cbd8b7ebb47e2319d94837a748a703_cryptolocker_elex.exe
- Size 35KB
- Sample261002-rsbdqsca87
- SHA256 07702a6538890d48d9b1671f0c4b6fe303fd70a3de415105c4e532e53bc8a599
- MD5 55cbd8b7ebb47e2319d94837a748a703
- SHA1 8b27580c94363854c17b6ed078ec1f6afd8ea646
- SHA512 0299876241c92c464680f790b06b922c7928802347726742a21c810a06503f78ac13e1b171cfad3e735d5e369db19c56825602651491ce7c80e4ebb8db88d489
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4abyG:vj+jsMQMOtEvwDpj5HtG
- TLSH T128F2E8326FC51A76D3379BB195FBC682B623FDA53831990D90CA37054933B42ADA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00160000000115bd-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00160000000115bd-11.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 5848 misid.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname misid.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain misid.exe - 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 2026-10-01_55cbd8b7ebb47e2319d94837a748a703_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 2632 wrote to memory of 5848 2632 2026-10-01_55cbd8b7ebb47e2319d94837a748a703_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-01_55cbd8b7ebb47e2319d94837a748a703_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-01_55cbd8b7ebb47e2319d94837a748a703_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:5848
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 35KB
- SHA256 992bc6c946c848b238b4dfa6e792210b02c9b8611be154695b7126783c3e975b
- MD5 0319e6e35b636cf295dfcea1307ea9af
- SHA1 b0067ed0e329d380c921394f62efdfc1f34b5fb4
- SHA512 0a4c764a3f96f6929c83477848a9a02ca32802880c37818d5c3709cce174b4dd3cf190157c28161c22a35b198f536a8ceeba15f89b4927538ca732fffa144c7a
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4aby2:vj+jsMQMOtEvwDpj5Ht2
- TLSH T1BAF2E8326FC51A72D3379BB195F7C682B627FD653831990D90CA37054933B42ADA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH