Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
12/09/2026, 08:03
General
- Target 2026-09-11_8773fdb5485fdc1a8512d4822a0ad6d2_elex_ramnit_wannacry.exe
- Size 539KB
- Sample260912-jxxtjafg66
- SHA256 8df065c19c76eeada3399c41c3a8177ce47713a5205519cdeea9f7f8e2429d9c
Score
10/10
Malware Config
Signatures
- Family: Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
- UPX dump on OEP (original entry point) 4 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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.
- Modifies registry class 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-11_8773fdb5485fdc1a8512d4822a0ad6d2_elex_ramnit_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-11_8773fdb5485fdc1a8512d4822a0ad6d2_elex_ramnit_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2026-09-11_8773fdb5485fdc1a8512d4822a0ad6d2_elex_ramnit_wannacrySrv.exeC:\Users\Admin\AppData\Local\Temp\2026-09-11_8773fdb5485fdc1a8512d4822a0ad6d2_elex_ramnit_wannacrySrv.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 3323⤵
- Program crash
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-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4788 -ip 47881⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-09-11_8773fdb5485fdc1a8512d4822a0ad6d2_elex_ramnit_wannacrySrv.exe
memory/4788-5-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4788-6-0x0000000002060000-0x000000000206F000-memory.dmp
memory/4788-7-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4880-0-0x0000000000400000-0x000000000048C000-memory.dmp
memory/4880-9-0x0000000000400000-0x000000000048C000-memory.dmp