Analysis
- max time kernel
140s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
12/07/2023, 09:20
General
- Target Bat_To_Exe_Converter.exe
- Size 267KB
- Sample230712-la9wpacf55
- SHA256 99cb2f3bcdecd478de5ac0bd47297fc73356a094baa1d9ad806ae1e684cd4096
Score
10/10
Malware Config
Signatures
- VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
- Vanilla Rat payload 7 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\svchost.exe"C:\Users\Admin\svchost.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
memory/1424-133-0x0000000000880000-0x00000000008CA000-memory.dmp
memory/1424-134-0x00000000052A0000-0x000000000533C000-memory.dmp
memory/4940-181-0x000000000A510000-0x000000000A576000-memory.dmp
memory/5024-166-0x0000000000CB0000-0x0000000000CD2000-memory.dmp
memory/5024-167-0x00000000061B0000-0x0000000006754000-memory.dmp
memory/5024-168-0x0000000005CA0000-0x0000000005D32000-memory.dmp
memory/5024-169-0x0000000005C40000-0x0000000005C4A000-memory.dmp