Analysis
- max time kernel
44s - max time network
44s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/08/2026, 22:25
General
- Target MrsMajor3.0.exe
- Size 381KB
- Sample260822-2b8ysazerg
- SHA256 4a75f2db1dbd3c1218bb9994b7e1c690c4edd4e0c1a675de8d2a127611173e69
Malware Config
Signatures
- UAC bypass 3 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- System policy modification 1 TTPs 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MrsMajor3.0.exe"C:\Users\Admin\AppData\Local\Temp\MrsMajor3.0.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\wscript.exe"C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\9E98.tmp\9E99.tmp\9E9A.vbs //Nologo2⤵
- UAC bypass
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Users\Admin\AppData\Local\Temp\9E98.tmp\eulascr.exe"C:\Users\Admin\AppData\Local\Temp\9E98.tmp\eulascr.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
AgileDotNetRT64.dll
9E9A.vbs
eulascr.exe
memory/2924-17-0x00007FFC722F0000-0x00007FFC7241F000-memory.dmp
memory/2924-9-0x0000000000BF0000-0x0000000000C1A000-memory.dmp
memory/2924-16-0x00007FFC6D520000-0x00007FFC6DEC4000-memory.dmp
memory/2924-8-0x00007FFC6D6AF000-0x00007FFC6D6B0000-memory.dmp
memory/2924-18-0x00007FFC6D520000-0x00007FFC6DEC4000-memory.dmp
memory/2924-19-0x00007FFC6D520000-0x00007FFC6DEC4000-memory.dmp
memory/2924-20-0x00007FFC6D520000-0x00007FFC6DEC4000-memory.dmp
memory/2924-21-0x00007FFC6D520000-0x00007FFC6DEC4000-memory.dmp
memory/2924-22-0x000000001E930000-0x000000001EAF2000-memory.dmp
memory/2924-23-0x000000001F030000-0x000000001F558000-memory.dmp
memory/2924-24-0x00007FFC6D520000-0x00007FFC6DEC4000-memory.dmp