Analysis
- max time kernel
149s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
02/05/2026, 15:24
General
- Target PortamentoLoader-v1.3.exe
- Size 18.9MB
- Sample260502-ss6ejsft5m
- SHA256 afbd78dca29d1dcfc1be9226347a10ab2a2fc7867ef1834596eb1bb476fd1827
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 IoCs
- 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.
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PortamentoLoader-v1.3.exe"C:\Users\Admin\AppData\Local\Temp\PortamentoLoader-v1.3.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\nsj8142.tmp\nsA238.tmp"C:\Users\Admin\AppData\Local\Temp\nsj8142.tmp\nsA238.tmp" "C:\Users\Admin\AppData\Roaming\Portamento Loader\check.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Portamento Loader\check.exe"C:\Users\Admin\AppData\Roaming\Portamento Loader\check.exe"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
InstallOptions.dll
ioSpecial.ini
ioSpecial.ini
nsA238.tmp
nsExec.dll
check.exe
memory/552-96-0x00007FF7FC760000-0x00007FF7FC799000-memory.dmp
memory/4560-89-0x0000000010003000-0x0000000010004000-memory.dmp
memory/4560-166-0x0000000010003000-0x0000000010004000-memory.dmp