Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
21/08/2026, 01:36
General
- Target 2026-08-21_a6da7c25a44aab017396f695a51da35b_elex_poison-ivy_wannacry.exe
- Size 76KB
- Sample260821-b1bfpsel91
- SHA256 95907a18b056a653202f14770aeee10d57c7862eb9f63265253de5bfd20e24b1
Score
8/10
Malware Config
Signatures
- Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
- Loads dropped DLL 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-21_a6da7c25a44aab017396f695a51da35b_elex_poison-ivy_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_a6da7c25a44aab017396f695a51da35b_elex_poison-ivy_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Program Files (x86)\Common Files\system\mtvasvc.dll",Install RmFzdFVzZXJTd2l0Y2hpbmdDb21wYXRpYmlsaXR5fFNlcnZpY2VfRGlzcGxheXxTZXJ2aWNlX0Rpc2NyaXB0aW9ufA==2⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5196 -s 5242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 240 -p 5196 -ip 51961⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
mtvasvc.dll
memory/3892-0-0x0000000002220000-0x000000000222E000-memory.dmp
memory/3892-1-0x0000000002220000-0x000000000222E000-memory.dmp
memory/3892-2-0x0000000010000000-0x000000001000F000-memory.dmp
memory/3892-10-0x0000000000400000-0x0000000000413000-memory.dmp