Analysis
- max time kernel
149s - max time network
98s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 04:46
General
- Target hotro.exe
- Size 114KB
- Sample260415-fd62baas9x
- SHA256 aa375954fa09adbcb9ea7f76eb9312783f47e59c2781a5451ccc7c3692d4f503
Malware Config
Signatures
- Family: VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
- Vanilla Rat payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\hotro.exe"C:\Users\Admin\AppData\Local\Temp\hotro.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\hotro.exe"C:\Users\Admin\AppData\Roaming\hotro.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Roaming\hotro.exeC:\Users\Admin\AppData\Roaming\hotro.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
hotro.exe
memory/2584-16-0x0000000005460000-0x0000000005470000-memory.dmp
memory/2584-17-0x0000000008B40000-0x0000000008BA6000-memory.dmp
memory/2584-19-0x0000000005460000-0x0000000005470000-memory.dmp
memory/3832-0-0x00000000001A0000-0x00000000001C2000-memory.dmp
memory/3832-1-0x0000000005310000-0x00000000058B6000-memory.dmp
memory/3832-2-0x0000000004C70000-0x0000000004D02000-memory.dmp
memory/3832-3-0x0000000004F40000-0x0000000004F50000-memory.dmp
memory/3832-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp