Analysis
- max time kernel
43s - max time network
48s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
15/09/2026, 02:49
Errors
General
- Target BEASTY.exe
- Size 24KB
- Sample260915-da8dvsbn8z
- SHA256 fca5992f7d3ec6da4095bd4d02da097d8ac3372f298a26e736b88567f6244e72
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Modifies data under HKEY_USERS 15 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BEASTY.exe"C:\Users\Admin\AppData\Local\Temp\BEASTY.exe"1⤵
- Creates a file in the Startup directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa38e0855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
setup.bat
memory/5408-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5408-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5408-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5408-15-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5408-18-0x0000000000400000-0x0000000000414000-memory.dmp