Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/10/2026, 03:30
General
- Target jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe
- Size 241KB
- Sample261014-d2tpsaxyht
- SHA256 7ee8d4fdd0d6e646c102b9f66419593e89e77d2e9a049e910dcdc6b4efa75470
Malware Config
Signatures
- Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.AdWare.Win32.ScreenSaver.i.exe"1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
7B8944BA8AD0EFDF0E01A43EF62BECD0_E5BAFA780D24C246E9F81B665CB8210C
memory/5560-0-0x0000000000400000-0x0000000000489000-memory.dmp
memory/5560-1-0x0000000000488000-0x0000000000489000-memory.dmp
memory/5560-20-0x0000000000400000-0x0000000000489000-memory.dmp
memory/5560-22-0x0000000000400000-0x0000000000489000-memory.dmp
memory/5560-27-0x0000000000400000-0x0000000000489000-memory.dmp
memory/5560-30-0x0000000000400000-0x0000000000489000-memory.dmp