Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/07/2026, 13:29
General
- Target 2026-07-27_21a7d76eaaebfdbd1d7ef4a11a781b73_elex_wannacry.exe
- Size 24KB
- Sample260727-qq99lsbb74
- SHA256 c72f866a3ed1ff91b8714742eaf27d64e2946fda823e202ee1b469073716535f
Malware Config
Signatures
- Family: Stormser, StormDDoS, StormAttack, Stormer
Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.
- Detects Stormser aka Storm DDoS and StormAttack 6 IoCs
- UPX dump on OEP (original entry point) 6 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 1 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-27_21a7d76eaaebfdbd1d7ef4a11a781b73_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_21a7d76eaaebfdbd1d7ef4a11a781b73_elex_wannacry.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\{CF86AA09-9ABF-4188-9E0F-63EBCCA00769}.exeC:\Windows\{CF86AA09-9ABF-4188-9E0F-63EBCCA00769}.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
{CF86AA09-9ABF-4188-9E0F-63EBCCA00769}.exe
memory/3200-0-0x0000000000400000-0x0000000000413000-memory.dmp
memory/3200-1-0x0000000000400000-0x0000000000413000-memory.dmp
memory/3200-6-0x0000000000400000-0x0000000000413000-memory.dmp
memory/4032-5-0x0000000000400000-0x0000000000413000-memory.dmp
memory/4032-8-0x0000000000400000-0x0000000000413000-memory.dmp