Legitimate forensic tools or LLVM components are typically found in C:\Program Files\ . If it is in a temporary folder ( %TEMP% ) or C:\Users\...\AppData\ , it is highly suspicious.
Upload the file to the VirusTotal analysis platform to check it against multiple antivirus engines. Introducing Arsenal Image Mounter v3.3.134 and DPAPI Bypass Arsenal Opt.exe
"Arsenal" is the name of the open-source tool showcase at Black Hat . Legitimate forensic tools or LLVM components are typically
Some threat actors, such as Secret Blizzard (Storm-0156), use a tool with filenames like ArsenalV2%.exe for command-and-control (C2) operations. Introducing Arsenal Image Mounter v3
If you are using professional digital forensics tools, "Arsenal" most likely refers to Arsenal Recon .
The "Opt" part of the filename may refer to opt.exe , the modular .
A widely used tool for mounting disk images in Windows. It includes various executables and agents (like the AIM Remote Agent).