Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/09/2026, 12:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe
- Size 44KB
- Sample260905-phzbpscj2y
- SHA256 35c25a43bffebf2df011952118d88cc07ce5ee5d662ecd9ba61372a99376b5ea
- MD5 46dd3a49e72cfb6f9bae0bb89f4e16b1
- SHA1 0ba03e143506eb39b6c207522b372a6b924344e5
- SHA512 a740b1c4b38c317b6656badd9512750e80012d491d7ae55c123c993ccda4361f4136ed0125bf11e5a6ebf20a416ac62d012a33d57e0ca85f74df431028382e43
- SSDEEP 768:sjQ4hBhjKADZeu4luELIkFj08YBeR+ibrb:gLhPKqSlJvFfYi
- TLSH T18613B047EAA54D66C230ED7226BF4B7E9D32B8674A10874F4B95DE4EBC32740492370E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4888-2-0x0000000000BA0000-0x0000000000BB2000-memory.dmp UPX behavioral2/memory/4888-4-0x0000000000BA0000-0x0000000000BB2000-memory.dmp UPX behavioral2/memory/4888-1-0x0000000000BA0000-0x0000000000BB2000-memory.dmp UPX behavioral2/memory/4888-13-0x0000000000BA0000-0x0000000000BB2000-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 opened for modification C:\autorun.inf 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe File created F:\autorun.inf 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe File opened for modification F:\autorun.inf 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe File created C:\autorun.inf 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe -
resource yara_rule behavioral2/memory/4888-2-0x0000000000BA0000-0x0000000000BB2000-memory.dmp upx behavioral2/memory/4888-4-0x0000000000BA0000-0x0000000000BB2000-memory.dmp upx behavioral2/memory/4888-1-0x0000000000BA0000-0x0000000000BB2000-memory.dmp upx behavioral2/memory/4888-13-0x0000000000BA0000-0x0000000000BB2000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_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 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4888 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe 4888 2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-04_46dd3a49e72cfb6f9bae0bb89f4e16b1_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:4888