Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 11:01
Behavioral task
behavioral1
Sample
2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe
- Size 35KB
- Sample260819-m4pnaaee47
- SHA256 ca70d150ff38d11dc3b52bfece1a967f659ab613e0f92c3c5796d1111ad4c878
- MD5 b4f6335f328caa01816ba10fc56187e9
- SHA1 a121777bf05471869fb89029988bfde9d34bce19
- SHA512 6e3e14c051ca865d10bb368ba7e749ab6cb5073527ad083880ee9401f197423057e2dacfc6c7cf82bfca1edcab5b95443626f8bd3a8849a3b91fe90299a22782
- SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52W/:cc3ji6kgi1Bc7sR584jfW/
- TLSH T1FBF2AE386ED91972E3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: Waski
Waski is a trojan downloader written in C++.
- Detects Waski payload 1 IoCs
resource yara_rule behavioral2/files/0x0009000000011380-4.dat family_waski - Executes dropped EXE 1 IoCs
pid Process 5656 codecsupdater.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language codecsupdater.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1184 wrote to memory of 5656 1184 2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_b4f6335f328caa01816ba10fc56187e9_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5656
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
- Size 36KB
- SHA256 96b4ef9259599a5102a1b7dcf0c24df070705b69f829c18cb403c23225a44492
- MD5 02023b7752b1b180a4539ae9e68a8cc5
- SHA1 42fe511c9554e3a1b83dc0bc726d0160a967cb62
- SHA512 7757728c89f23d23f8185817f604f3c9ca084da192f9ff2e7b4c0396b5f34835213b2331e65547037f8e1119ffc1cbbfdc4cf18f166a8d4cd41751dde13c9026
- SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wu:cc3ji6kgi1Bc7sR584jfWu
- TLSH T135F2AE386ED91972E3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
- MD5 SHA1 SHA512 SSDEEP TLSH