Analysis
- max time kernel
150s - max time network
127s - 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, 08:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe
- Size 14.8MB
- Sample260804-krm8ksbn2x
- SHA256 2699ecbf3f88b1d8140ea8f64f4ebce48958a73dd7235eb1cd5e84a2400103fd
- MD5 fa2d1812838c87cfefef0da4b7333e9d
- SHA1 6aff902247f71c7ed9b41607cbd6037b036e1790
- SHA512 1d198563cc8bde22980664d5b08e5c95602caf1d9200c86b708e0fadc25972045e98707a728860fb3eeef5c8ad3aeb6019780c1ef10f25a46a735f3d2168289d
- SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN0:j9
- TLSH T13AF624AD10706AB66280DD303CBE57496C4E3F8663B8D8981D4FDD3C5A6AC8F169FC94
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4092 lsass.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared R\lsass.exe 2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe File created C:\Program Files\Common Files\Microsoft Shared R\lsass.exe 2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe - Program crash 1 IoCs
pid pid_target Process procid_target 5768 4092 WerFault.exe 89 - 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 2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2592 2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe 4092 lsass.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2592 wrote to memory of 4092 2592 2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_fa2d1812838c87cfefef0da4b7333e9d_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Program Files\Common Files\Microsoft Shared R\lsass.exe12⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4092 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 2803⤵
- Program crash
PID:5768
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4092 -ip 40921⤵PID:4248
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\Microsoft Shared R\lsass.exe
- Size 27.6MB
- SHA256 6448172aef767693c444592b4426867d2a4b4a689df195d882cf433a05f265be
- MD5 d691b8a551f3fa3b5491d03b9e8ab704
- SHA1 d693171f583a47efc5396ab61c7035e7ab9f691c
- SHA512 b8787c49ae337ca86942fe01dc3d13cd6c038f0e0d18284e119019f9e25c4c238bca3a0a30c1791975dbdafdf141dc6c02053ebd5ad014aeda78e58dfcdb6d85
- SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNj:jI
- TLSH T12C57A4F9097577B126088D387CBA1A4A7D8D3FD16638E0D52E59C93D9F1288E1BAFC40
- MD5 SHA1 SHA512 SSDEEP TLSH