Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/08/2026, 02:58
General
- Target 2026-08-10_1a936b5b4f412f553af0df5d0194bd3a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 748KB
- Sample260810-dgb91azend
- SHA256 a314ab40b4a833c7994b0e9e9fdb887270620f86d8ae5191785e3d5a1b716433
Malware Config
Signatures
- Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.
- Drops file in Drivers directory 1 IoCs
- Disables service(s) 3 TTPs
- Executes dropped EXE 1 IoCs
- Network Share Discovery 1 TTPs
Attempt to gather information on host network.
- Drops file in System32 directory 5 IoCs
- Drops file in Program Files directory 64 IoCs
- Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 8 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
- System Location Discovery: System Language Discovery 1 TTPs 30 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Runs net.exe
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of WriteProcessMemory 30 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-10_1a936b5b4f412f553af0df5d0194bd3a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_1a936b5b4f412f553af0df5d0194bd3a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\UpdatAuto.exeC:\Windows\system32\UpdatAuto.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Windows\system32\drivers\2026-08-10_1a936b5b4f412f553af0df5d0194bd3a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry~1.xls"2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\cmd.execmd.exe /c net stop sharedaccess2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop sharedaccess3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c net stop wuauserv2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop wuauserv3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c net stop wscsvc2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop wscsvc3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c net stop srservice2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop srservice3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c net start TlntSvr2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet start TlntSvr3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start TlntSvr4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c net user helpassistant 1234562⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet user helpassistant 1234563⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 user helpassistant 1234564⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c net localgroup administrators helpassistant /add2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet localgroup administrators helpassistant /add3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 localgroup administrators helpassistant /add4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\sc.exesc config srservice start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\sc.exesc config SharedAccess start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\sc.exesc config wuauserv start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\sc.exesc config wscsvc start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\sc.exesc config srservice start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1System Services
1Service Execution
1Persistence
Account Manipulation
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Account Manipulation
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
7z.exe
7zFM.exe
7zG.exe
Uninstall.exe
ComparePublish.exe
DebugBlock.exe
chrmstp.exe
chrome_pwa_launcher.exe
elevated_tracing_service.exe
elevation_service.exe
os_update_handler.exe
chrome.exe
chrome_proxy.exe
appletviewer.exe
extcheck.exe
idlj.exe
jabswitch.exe
jar.exe
dotnet.exe
createdump.exe
createdump.exe
createdump.exe
2026-08-10_1a936b5b4f412f553af0df5d0194bd3a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry~1.xls
Option.bat
UpdatAuto.exe
ntldr~6
ntldr~6
ntldr~6
ntldr~6
ntldr~6
ntldr~6
ntldr~6
ntldr~6
ntldr~6
memory/1228-43-0x00007FF7DEC70000-0x00007FF7DEC80000-memory.dmp
memory/1228-38-0x00007FF7E1880000-0x00007FF7E1890000-memory.dmp
memory/1228-41-0x00007FF7E1880000-0x00007FF7E1890000-memory.dmp
memory/1228-39-0x00007FF7E1880000-0x00007FF7E1890000-memory.dmp
memory/1228-42-0x00007FF7DEC70000-0x00007FF7DEC80000-memory.dmp
memory/1228-40-0x00007FF7E1880000-0x00007FF7E1890000-memory.dmp
memory/1228-37-0x00007FF7E1880000-0x00007FF7E1890000-memory.dmp