Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
08/09/2026, 10:56
General
- Target Locker/Stub/Stub.exe
- Size 215KB
- Sample260908-m16gmaydrb
- SHA256 19b6c1905f4435815f6d79b7eb0aee50ccc6d4ccde4dca9b973e3589e15fc00d
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 10 IoCs
- 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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 64 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Locker\Stub\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Locker\Stub\Stub.exe"1⤵
- Adds Run key to start application
-
C:\Users\Admin\AppData\Local\Temp\Locker\Stub\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Locker\Stub\Stub.exe"1⤵
-
C:\Users\Admin\AppData\Local\Temp\Locker\Stub\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Locker\Stub\Stub.exe" -startup1⤵
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\GetImport.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
index.dat
b8ab77100df80ab2.customDestinations-ms
b8ab77100df80ab2.customDestinations-ms
memory/3116-19-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-21-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-6-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-7-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-8-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-9-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-10-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-11-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-12-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-13-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-22-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-1-0x00000000009B0000-0x00000000009EC000-memory.dmp
memory/3116-2-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-3-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-14-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-0-0x00007FFAC4E4F000-0x00007FFAC4E50000-memory.dmp
memory/3116-4-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/3116-20-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/4776-30-0x00007FFAA58D0000-0x00007FFAA58E0000-memory.dmp
memory/4776-29-0x00007FFAA58D0000-0x00007FFAA58E0000-memory.dmp
memory/4776-24-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-27-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-28-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-26-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-77-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-25-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-78-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-79-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/4776-80-0x00007FFAA7BC0000-0x00007FFAA7BD0000-memory.dmp
memory/5200-15-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/5200-16-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/5200-18-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/5200-17-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/5200-23-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp