Analysis
- user interaction
yes - max time kernel
149s - max time network
149s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
21/08/2026, 18:46
General
- Target utorrent_installer.exe
- Size 3.7MB
- Sample260821-xeszhsch93
- SHA256 e2837e13d80e4602b0c2d711c6d6c17217f4a80c8ff0b33dd90df219f025f3b7
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 4 IoCs
- UPX packed file 13 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\nsm3D05.tmp\utorrent.exe"C:\Users\Admin\AppData\Local\Temp\nsm3D05.tmp\utorrent.exe"2⤵
- Executes dropped EXE
- Identifies Wine through registry keys
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
INetC.dll
System.dll
nsisFirewall.dll
utorrent.exe
settings.dat.old
toolbar.benc.new
memory/4064-48-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-47-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-46-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-49-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-50-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-29-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-57-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-58-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-59-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-60-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-61-0x0000000000400000-0x0000000000D17000-memory.dmp
memory/4064-62-0x0000000000400000-0x0000000000D17000-memory.dmp