Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 04:06
Behavioral task
behavioral1
Sample
2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe
Resource
win10v2004-20260130-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe
Resource
win11-20260130-en
11 signatures
150 seconds
General
- Target 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe
- Size 85KB
- Sample260421-eph8ysbv2y
- SHA256 68c149e4f03311eaabb1ea5f7d18b4a325ee963e153bddc69306c2250eb2e56a
- MD5 8f4d9cebcd718566e0def94b1f7fba5e
- SHA1 bcefd7ceea8708b45c7666f27bc7e1406721fc2b
- SHA512 8522e2496ed62701c630e098f5b41c7a367949d652f4e904ac56e34c68aeb6ea4327bc1d7185a08b99e123ba705d26f84619279b69f515c47c48293c12ba178f
- SSDEEP 768:JgO5xRYi+SQvvG5bnl/NqNwsKVDsBYDjaXKynF0vm:eshQvoLqNwDDhOem
- TLSH T192833A9F75D584BDF924527414AB17B0857BEA80127A9BCB3F90CD79883B12A5B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
qqpass
C2
-
http://www.zigui.org/article.php?id=103822
Attributes
-
user_agent
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3140 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\¢«.exe 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe File created C:\Windows\system\rundll32.exe 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3184 3140 WerFault.exe 80 - 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 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Modifies registry class 19 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1776744414" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1776744414" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 3140 rundll32.exe 3140 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1180 wrote to memory of 3140 1180 2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3140 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 13963⤵
- Program crash
PID:3184
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3140 -ip 31401⤵PID:3748
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 86KB
- SHA256 bf53c7e493eb1bba071ba4dc4598808da4717f9d0e33f07726e6cbe992930230
- MD5 014e1a20e2cfd1c3218e552a17f4b60f
- SHA1 9713d648520447868de305879492103980c69696
- SHA512 cf54820c52d1eed601f1cd5ba6b1e550d71b2afdb326e88e1e71e7051de1904254d353ce3cb9a4aa9baad136b6713f5e7fbde2b61915fabfa6bfe745b6d26042
- SSDEEP 768:JgO5xRYi+SQvvG5bnl/NqNwsKVDsBYDjaXKynF0vm:eshQvoLqNwDDhOem
- TLSH T1B6833A9F75D584BDFD2452B414AB17B0857BE980127A9BCB3F90CD79843B12A5B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\rundll32.exe
- Size 95KB
- SHA256 317c897bf09290e0653246dde1a2eb386a1ce8594cd207b50513d6ee60147b1c
- MD5 18088090a43bad58364b2719f964a4c6
- SHA1 eff1330019750f43277ed629978966c49de9bdc9
- SHA512 2ee1a83da39cba5866bb05ae50350db66262eafd375d69dd5a4087c5d0df148de9f7209c26de2f91eec1278c9e20cf924042587ce2978b5725e7a6931f7ea473
- SSDEEP 768:JgO5xRYi+SQvvG5bnl/NqNwsKVDsBYDjaXKynF0vmx:eshQvoLqNwDDhOemx
- TLSH T1DDA34A9F65D484BDFD1412B414AB17B0827BA984127A5BCB3F95CD79883B12B5B3C283
- MD5 SHA1 SHA512 SSDEEP TLSH