Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
29/04/2026, 03:26
General
- Target hotro.exe
- Size 114KB
- Sample260429-dzdwjsf16x
- SHA256 55916643813fde944a61a1cc932448ff7daddd2bf1ece487fddcad00c90bc263
Malware Config
Signatures
- Family: VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
- Vanilla Rat payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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⤵
- Checks computer location settings
- 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
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Downloads
hotro.exe
memory/1640-22-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/1640-19-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/4540-16-0x00000000085B0000-0x000000000862E000-memory.dmp
memory/4540-4-0x0000000005890000-0x000000000589A000-memory.dmp
memory/4540-3-0x0000000005650000-0x0000000005660000-memory.dmp
memory/4540-0-0x0000000000CB0000-0x0000000000CD2000-memory.dmp
memory/4540-2-0x00000000056B0000-0x0000000005742000-memory.dmp
memory/4540-1-0x0000000005D10000-0x00000000062B4000-memory.dmp
memory/5792-17-0x0000000004BA0000-0x0000000004BB0000-memory.dmp
memory/5792-20-0x0000000004BA0000-0x0000000004BB0000-memory.dmp
memory/5792-21-0x00000000080A0000-0x000000000811E000-memory.dmp
memory/5792-26-0x0000000008620000-0x0000000008686000-memory.dmp