Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
30/07/2026, 15:25
General
- Target 2026-07-30_719dcb73cb2bca62ac1a44720eb1a314_elex_wannacry.exe
- Size 64KB
- Sample260730-stzy6abe95
- SHA256 c4c6ebdce4bd88510ee4f5271e92d2beb5b7cdfbeedd8e040dea90610499c207
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 7 IoCs
- Detects Windows executables referencing non-Windows User-Agents 7 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 2 IoCs
- Drops file in Windows directory 2 IoCs
- Executes a command shell one-liner 1 TTPs 2 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 5 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 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_719dcb73cb2bca62ac1a44720eb1a314_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_719dcb73cb2bca62ac1a44720eb1a314_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\{FF9B3ACE-97FA-41f4-80D0-E72B57CB3765}.exeC:\Windows\{FF9B3ACE-97FA-41f4-80D0-E72B57CB3765}.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\{749F5DA2-47B3-48e7-AA4D-A3937B42E686}.exeC:\Windows\{749F5DA2-47B3-48e7-AA4D-A3937B42E686}.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{FF9B3~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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-
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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
{749F5DA2-47B3-48e7-AA4D-A3937B42E686}.exe
{FF9B3ACE-97FA-41f4-80D0-E72B57CB3765}.exe
memory/768-11-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4116-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4116-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4116-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4504-9-0x0000000000400000-0x0000000000410000-memory.dmp