Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/10/2026, 11:15
General
- Target MainInstaller.exe
- Size 531KB
- Sample261014-nc2zza1s3l
- SHA256 3dbc5aff076ef9c86a90ad30e963581f7cb22f8e212aa38db29d82cf45b73f80
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 9 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 13 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- NSIS installer 4 IoCs
- Modifies registry class 5 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe"C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Setup.exeC:\Users\Admin\AppData\Local\Temp\Setup.exe /PID=0 /NOTIFY=0 /FFR=1 /FFP=12⤵
- Executes dropped EXE
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\PingMe.exe"C:\Users\Admin\AppData\Local\Temp\PingMe.exe" http://www.outbrowse.com/install.php?publisher=0&bundle=2YourFace&product=2YourFace&status=02⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
uninst.exe
PingMe.exe
Setup.exe
InstallOptions.dll
KillProc.dll
System.dll
ioSpecial.ini
memory/4368-147-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-150-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-153-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-152-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-151-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-149-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-143-0x00007FFA3EAFA000-0x00007FFA3EAFB000-memory.dmp
memory/4368-144-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-145-0x000000001BCB0000-0x000000001C17E000-memory.dmp
memory/4368-146-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4368-148-0x00007FFA3E800000-0x00007FFA3F238000-memory.dmp
memory/4592-119-0x00000000059E0000-0x00000000059F4000-memory.dmp
memory/4592-126-0x00000000059E0000-0x00000000059F4000-memory.dmp
memory/4592-118-0x00000000059E0000-0x00000000059F4000-memory.dmp
memory/4592-127-0x00000000059E0000-0x00000000059F4000-memory.dmp
memory/4592-110-0x00000000059E0000-0x00000000059F4000-memory.dmp
memory/4592-111-0x00000000059E0000-0x00000000059F4000-memory.dmp