Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/06/2026, 20:02
General
- Target tmpupqlkrfi.exe
- Size 4.1MB
- Sample260601-ysejqaev5x
- SHA256 65af1a9718f5cf882f79e082f3ac8121df3e21d135372dceabe434efeb3882a5
Malware Config
Extracted
-
netwire
-
sefb.hopto.org:2035
-
activex_autorun
false
-
copy_executable
true
-
delete_original
false
-
host_id
flit
-
install_path
%AppData%\flit\flit.exe
-
keylogger_dir
%AppData%\flit\
-
lock_executable
true
-
mutex
EwlohRSK
-
offline_keylogger
true
-
password
Password
-
registry_autorun
true
-
startup_name
flit
-
use_mutex
true
Signatures
- Family: Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
- NetWire RAT payload 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmpupqlkrfi.exe"C:\Users\Admin\AppData\Local\Temp\tmpupqlkrfi.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\flit\flit.exe"C:\Users\Admin\AppData\Roaming\flit\flit.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Roaming\flit\flit.exeC:\Users\Admin\AppData\Roaming\flit\flit.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
flit.exe
memory/1876-18-0x0000000000AC0000-0x0000000000AE5000-memory.dmp
memory/1876-20-0x0000000000AC0000-0x0000000000AE5000-memory.dmp
memory/1876-19-0x0000000001000000-0x000000000140F000-memory.dmp
memory/3988-14-0x0000000001000000-0x000000000140F000-memory.dmp
memory/3988-16-0x0000000000AD0000-0x0000000000AF5000-memory.dmp
memory/3988-21-0x0000000000AD0000-0x0000000000AF5000-memory.dmp
memory/3988-22-0x0000000001000000-0x000000000140F000-memory.dmp
memory/4652-0-0x0000000001000000-0x000000000140F000-memory.dmp
memory/4652-1-0x0000000000A90000-0x0000000000AAB000-memory.dmp
memory/4652-2-0x0000000000AB0000-0x0000000000AD5000-memory.dmp
memory/4652-15-0x0000000001000000-0x000000000140F000-memory.dmp