Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 00:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe
- Size 48KB
- Sample260813-adqrfavzev
- SHA256 1965848f415199c8aea8ce59f702d03705a3c15d8fb601824d719905d2dfd46b
- MD5 cfa636f48cccc3bcb0fcde23aa459bfe
- SHA1 157abecd54dc474756d426a77478f8bf4cb14cff
- SHA512 ba77c87f96d2b9e1e21fcb87010a69d759b9615487a039d76bb067794887b7e70cef1fd733983b215020284d9193c9b280ce2e43ec3bf930b743d46a8701932d
- SSDEEP 768:LlQ4h5t3PgAP7+iv9yieKu0CC2Hy+wfURRSe:BLh5tv9yieKJ56LvRL
- TLSH T10B23CF05EEF988E5E224CA7135BF563A4D3AF9274664820B1B54EF5DF83170A4E12F0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2820-2-0x0000000000BE0000-0x0000000000BF5000-memory.dmp UPX behavioral2/memory/2820-1-0x0000000000BE0000-0x0000000000BF5000-memory.dmp UPX behavioral2/memory/2820-11-0x0000000000BE0000-0x0000000000BF5000-memory.dmp UPX behavioral2/memory/2820-5-0x0000000000BE0000-0x0000000000BF5000-memory.dmp UPX behavioral2/memory/2820-3-0x0000000000BE0000-0x0000000000BF5000-memory.dmp UPX behavioral2/memory/2820-27-0x0000000000BE0000-0x0000000000BF5000-memory.dmp UPX - 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 2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe File opened for modification C:\autorun.inf 2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe File created F:\autorun.inf 2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe File opened for modification F:\autorun.inf 2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe -
resource yara_rule behavioral2/memory/2820-2-0x0000000000BE0000-0x0000000000BF5000-memory.dmp upx behavioral2/memory/2820-1-0x0000000000BE0000-0x0000000000BF5000-memory.dmp upx behavioral2/memory/2820-11-0x0000000000BE0000-0x0000000000BF5000-memory.dmp upx behavioral2/memory/2820-5-0x0000000000BE0000-0x0000000000BF5000-memory.dmp upx behavioral2/memory/2820-3-0x0000000000BE0000-0x0000000000BF5000-memory.dmp upx behavioral2/memory/2820-27-0x0000000000BE0000-0x0000000000BF5000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 3328 2820 WerFault.exe 88 - 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 2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_cfa636f48cccc3bcb0fcde23aa459bfe_elex_wannacry.exe"1⤵
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
PID:2820 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 4842⤵
- Program crash
PID:3328
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2820 -ip 28201⤵PID:1848