Analysis
- max time kernel
150s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 14:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe
- Size 76KB
- Sample260804-rgr74sca62
- SHA256 9674c020b276656328a0c1409d2ae6b5c9438dcb7dbcee96d87dacaeda14afe8
- MD5 caf6659f233286ac154d2fdc85301035
- SHA1 cde4126908e980115aab49c7f63ea07c77ecb67b
- SHA512 373eb0ce01342eb917cc512c54a2a470be3aa01dddc027dd557004b4a4b89ff8bcdb5e6e522a911209366b9b7ac140c0c918ded42f490b43e4268b385c7b4a09
- SSDEEP 1536:w96NXdCOKtbqsha1LViH/UWYPwYf5iI8txOMwOMQJH:y698OKBgVifvYPwYfWtxOfObH
- TLSH T1B2737D17FA0680A2FB0449F004BE61F7B737694A2B1B5B17779CDE2EFAB21919C2414D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4152 winlgon.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe" 2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe" 2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe - 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 2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlgon.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4580 2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe 4152 winlgon.exe 4152 winlgon.exe 4152 winlgon.exe 4152 winlgon.exe 4152 winlgon.exe 4152 winlgon.exe 4152 winlgon.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4580 wrote to memory of 4152 4580 2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_caf6659f233286ac154d2fdc85301035_elex_wannacry.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4580 -
\??\c:\users\admin\appdata\local\temp\winlgon.exec:\users\admin\appdata\local\temp\winlgon.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4152
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\winlgon.exe
- Size 76KB
- SHA256 557cd538a1b7febbad004b5f5b1d59a989724bc85b9b66c08dbdb1692fb39325
- MD5 7f19e2493f7e1624b30897a6714ee552
- SHA1 29137905304b2900588cc9c4db9486d818b162c4
- SHA512 7e0004aaf5f1de7d42d29490a764a6e4fdc10dae49d42ff80b241113ef8b4a3b0c8e5a908c9153fe1d331cf18f4b16ddeaa9c8f89998efb74b3802e2b818cf90
- SSDEEP 1536:w96NXdCOKtbqsha1LViH/UWYPwYf5iI8txOMwOMQJC:y698OKBgVifvYPwYfWtxOfObC
- TLSH T128737D17FA0680A2FB0449F004BE61F7A737694A2A1B5B17779CDE2EFAB21919C2414D
- MD5 SHA1 SHA512 SSDEEP TLSH