Analysis
- user interaction
yes - max time kernel
19s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
- submitted
20/06/2026, 17:22
General
- Target MrsMajor3.0.exe
- Size 381KB
- Sample260620-vxvvqaf18m
- 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.
- 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\BBAA.tmp\BBAB.tmp\BBAC.vbs //Nologo2⤵
- UAC bypass
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Users\Admin\AppData\Local\Temp\BBAA.tmp\eulascr.exe"C:\Users\Admin\AppData\Local\Temp\BBAA.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
BBAC.vbs
eulascr.exe
memory/2900-18-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-9-0x0000000000E10000-0x0000000000E3A000-memory.dmp
memory/2900-16-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-17-0x00007FF906BC0000-0x00007FF906CEF000-memory.dmp
memory/2900-19-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-8-0x00007FF905B2F000-0x00007FF905B30000-memory.dmp
memory/2900-20-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-21-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-22-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-23-0x00007FF9059A0000-0x00007FF906344000-memory.dmp
memory/2900-24-0x000000001EB10000-0x000000001ECD2000-memory.dmp
memory/2900-25-0x000000001F210000-0x000000001F738000-memory.dmp
memory/2900-26-0x00007FF9059A0000-0x00007FF906344000-memory.dmp