Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
13/08/2026, 00:47
Behavioral task
behavioral1
Sample
2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe
- Size 31KB
- Sample260813-a48pyawzbt
- SHA256 9a83dfe506ded9d28db9e2b39cd2b3def307f5d46e1c923cb0c7510e06f2742f
- MD5 81f2fc33369d663a8200d6c7a6a88bc3
- SHA1 62ca90435b9e8536784abfb2a64479d75926ba4b
- SHA512 dc96118ec78901ec425d0c94e4e7d5d3f5cb7a1b13ca741c1fa7812873c28546776bf46ea88f277b7a196898dfda09346663c0ec5c8330ad3f759b7996fc3c85
- SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIU:uTKWckBeEd6ml1pcg7eMUUz62TW
- TLSH T115E261346BE45D73E3BBDBB586F7C1C5A975B42A2E03992E80851B841833B11DCA0F9D
- 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 behavioral1/files/0x000500000002345a-4.dat family_waski - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation 2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe - Executes dropped EXE 1 IoCs
pid Process 3600 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 2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_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 4328 wrote to memory of 3600 4328 2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_81f2fc33369d663a8200d6c7a6a88bc3_elex_wannacry.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4328 -
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:3600
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
- Size 32KB
- SHA256 52ff3f6ba5c8780a51068c3c71369a1622d5224351253d312626185c578afeeb
- MD5 2653bed0a165fd52eadfe8acb094b253
- SHA1 4129c034fd0a63326e10f43c95d915248a6e56f9
- SHA512 683d315fb0cfdfeeda8aba0a99b1e421a269adad0146b63cbf608a98b7472046b411b61d888d2a0088a747c3f652e30dcba6a97dcbd084afb66c1853fabfae05
- SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIv:uTKWckBeEd6ml1pcg7eMUUz62TR
- TLSH T13DE261346BE45D73E3BBDBB586F7C1C6A975B4262E03992E80851B841833A11DCA0F9D
- MD5 SHA1 SHA512 SSDEEP TLSH