Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 22:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe
- Size 44KB
- Sample260819-2cxbdavcmf
- SHA256 b157e108b4b93b4fd806e6461cef9a7e6f0816ab809754c924ee5999c0a451f0
- MD5 9490cb5c1816e059d6971e1b7c0c2ef7
- SHA1 c3b995ef43470143e1b78b66c2eee4c05a17bebd
- SHA512 36b26f44ad3dbb526859af12314eff4debd59c6c8b1fd320df398b206818ba9e31cae6f7291540e3206f4741358d03258b7366b4a699dcbdb9dc212e01bd0a27
- SSDEEP 768:CjQ4h/KADZeu4luELIkFj08YBeR+ibrb:GLh/KqSlJvFfYi
- TLSH T13C13B047EBB64D66C220DD7116BF5F3E9D32B8A34911874B0B95DE8EB8327409813B0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/4584-1-0x0000000000710000-0x0000000000722000-memory.dmp UPX behavioral2/memory/4584-4-0x0000000000710000-0x0000000000722000-memory.dmp UPX behavioral2/memory/4584-7-0x0000000000710000-0x0000000000722000-memory.dmp UPX behavioral2/memory/4584-24-0x0000000000710000-0x0000000000722000-memory.dmp UPX behavioral2/memory/4584-22-0x0000000000710000-0x0000000000722000-memory.dmp UPX - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe File opened for modification C:\autorun.inf 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe File created F:\autorun.inf 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe File opened for modification F:\autorun.inf 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe -
resource yara_rule behavioral2/memory/4584-1-0x0000000000710000-0x0000000000722000-memory.dmp upx behavioral2/memory/4584-4-0x0000000000710000-0x0000000000722000-memory.dmp upx behavioral2/memory/4584-7-0x0000000000710000-0x0000000000722000-memory.dmp upx behavioral2/memory/4584-24-0x0000000000710000-0x0000000000722000-memory.dmp upx behavioral2/memory/4584-22-0x0000000000710000-0x0000000000722000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4584 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe 4584 2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_9490cb5c1816e059d6971e1b7c0c2ef7_elex_wannacry.exe"1⤵
- Drops autorun.inf file
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4584