Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
25/09/2026, 19:34
General
- Target jaffacakes118_7aca3898f887affda9a9b1c7ae1120399db86ed0a119bc3c97d4132a86928526.exe
- Size 444KB
- Sample260925-x97fdsx1bs
- SHA256 7aca3898f887affda9a9b1c7ae1120399db86ed0a119bc3c97d4132a86928526
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 4 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.
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Modifies WinLogon 2 TTPs 1 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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.
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_7aca3898f887affda9a9b1c7ae1120399db86ed0a119bc3c97d4132a86928526.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_7aca3898f887affda9a9b1c7ae1120399db86ed0a119bc3c97d4132a86928526.exe"1⤵
- Modifies WinLogon for persistence
- Boot or Logon Autostart Execution: Active Setup
- Disables RegEdit via registry modification
- Adds Run key to start application
- Modifies WinLogon
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Roaming\ram_reserver64.exeC:\Users\Admin\AppData\Roaming\ram_reserver64.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
NewErrorPageTemplate[1]
dnserrordiagoff[2]
errorPageStrings[1]
httpErrorPagesScripts[1]
ram_reserver64.exe
memory/1524-47-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-69-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-20-0x0000000000BE0000-0x0000000000BE1000-memory.dmp
memory/1524-166-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-157-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-0-0x0000000000BE0000-0x0000000000BE1000-memory.dmp
memory/1524-38-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-1-0x0000000000462000-0x0000000000463000-memory.dmp
memory/1524-60-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-25-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-82-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-91-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-104-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-113-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-122-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-135-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1524-144-0x0000000000400000-0x0000000000475000-memory.dmp
memory/5116-8-0x0000000000400000-0x0000000000475000-memory.dmp
memory/5116-6-0x0000000000400000-0x0000000000475000-memory.dmp