Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/08/2026, 02:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe
- Size 16.8MB
- Sample260806-chjvssfc76
- SHA256 18cad047ec71be519f8c69631db4eca5acdd29163ef614f4ad3d7915d4e0d69e
- MD5 d839c9bc33f939dd9e02e8f317d9a25c
- SHA1 466b7450db020c43c3e9ce43de7df20aa01e0c9e
- SHA512 2a23de0a7aa83228a815d09c04606e40e54de4be4b60b146ef9b3776a55212a6ad7e5a843ced3a71b828071853bbbcbd1e1b7ac48dab0fe5104505ca1095c98b
- SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZe:e
- TLSH T1F7077745345FAB2DD0E30A32670AEF871971778C5311D93E264A8D82AB3D11C9BB91FB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4128 lsass.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared I\lsass.exe 2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared I\lsass.exe 2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3168 4128 WerFault.exe 86 - 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 2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2644 2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe 4128 lsass.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2644 wrote to memory of 4128 2644 2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_d839c9bc33f939dd9e02e8f317d9a25c_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:2644 -
C:\Program Files\Common Files\Microsoft Shared I\lsass.exe12⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4128 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 4203⤵
- Program crash
PID:3168
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4128 -ip 41281⤵PID:1996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\Microsoft Shared I\lsass.exe
- Size 28.9MB
- SHA256 3e3822f0ef9ccbf93a986f189df483832f5b92f9c0f0d9b52b22b5bc7605a181
- MD5 0516ee043b6006d4a84d5aa1d86e4c67
- SHA1 5353aa995947c17838bcd581fa18829d9a9aeace
- SHA512 fe8de70512edef8b046054e7d3e326984a5fe612125dec536be55c6799201100f543d49330f341628455ccd1a0dafdf8ae86114bb8f401a6164e6b2a6e03a84e
- SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ5:5
- TLSH T19A67B594304F8B4E34F31E30E716A7442DB0BB0D1291DAA937169ED29EBD36491BD8F9
- MD5 SHA1 SHA512 SSDEEP TLSH