Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/11/2026, 22:45
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe
- Size 77KB
- Sample261104-2pwwdady91
- SHA256 0523b7ba94afa96f57fbb6a8a38f3cc96296ef9cf84388ab52475a21b73b4818
- MD5 4026ab467070b0eb6fe97407e2e75691
- SHA1 f84523a4c5f492ce22ffa47fee71090b70986797
- SHA512 0f2add4034fc7274310737955decd65988404b5ae945a47575bd418a5388003cda8eeca9ae8734ba379e9059e9988b32703137bee44dbc1e07b3b25e4b7ee8e1
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkiv:vCjsIOtEvwDpj5HGWY0RkfY
- TLSH T11773FE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000800000001b2e2-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000800000001b2e2-11.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3320 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\Domain misid.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 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 misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3308 wrote to memory of 3320 3308 2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-03_4026ab467070b0eb6fe97407e2e75691_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3308 -
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:3320
-
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 93e3315a74e097bf069dea590063bf827ee2dc0cd19b6c0cdbd6c7a452e0b854
- MD5 63bee64e8b076c2fa7654f122d7fde29
- SHA1 ebfd7abe1b5ca7db8f0438a8679b8b72bedd0bf4
- SHA512 01fa042691c0b771a58e684e4e691996ae620247585ea3cf457fd505102c406515cc1b9a40de74b0853991d2efbddee449717eca0fc8770fe5c0dfda95f61e4e
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzki8:vCjsIOtEvwDpj5HGWY0Rkfz
- TLSH T1EF73FE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH