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
12/10/2026, 23:12
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-10-11_43631105db795014c0786a2d2a490d38_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-11_43631105db795014c0786a2d2a490d38_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-10-11_43631105db795014c0786a2d2a490d38_cryptolocker_elex.exe
- Size 77KB
- Sample261012-27b9payv2k
- SHA256 2410c2a4e9df0304dd4c61f5e7108d32c69481f3d4f3320710f06ac84405a135
- MD5 43631105db795014c0786a2d2a490d38
- SHA1 fd451ee7d1c3c393d4b04cdd51d9be357061e4f9
- SHA512 249f613963cc0597cc80f9ebb1149a7c5879a5a8016888f2c42e0cfeffd34147ab213170b6e0176770a74859ce9851de01daaf2fb987c09041af6a88bd6fffbd
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkiU:vCjsIOtEvwDpj5HGWY0RkfT
- TLSH T13173FE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x001300000001b1c0-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x001300000001b1c0-11.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2632 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 2026-10-11_43631105db795014c0786a2d2a490d38_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 1624 wrote to memory of 2632 1624 2026-10-11_43631105db795014c0786a2d2a490d38_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-11_43631105db795014c0786a2d2a490d38_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-11_43631105db795014c0786a2d2a490d38_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624 -
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:2632
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 77KB
- SHA256 d89c5c182d100fb24726c99e817bb081f93b2e71bffea45a6e999bbff09f4b82
- MD5 2a8209da1317b7ada000e1549185b5b8
- SHA1 46bd974161e7f4ad136ca30c596bcb5cce821001
- SHA512 cded87a2294b750477824ec31036a958bd5f3f50e8f6d60e11d1e249e63be3e026301f83d82d1b80d263066cb173ab2c029f9a3a99fa4c18201fcc6b99e95417
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkiK:vCjsIOtEvwDpj5HGWY0Rkfh
- TLSH T16273FE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH