Analysis
- max time kernel
140s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
15/03/2024, 13:25
General
- Target cb8689a8c6988aa80c7a79c6353158eb.exe
- Size 4.3MB
- Sample240315-qpfnlsbe29
- SHA256 c58771ee917e04657e83a23e53305b8c311a143791bf16e8542fb692665c5047
Malware Config
Extracted
-
netwire
-
clients.enigmasolutions.xyz:54573
-
activex_autorun
false
-
copy_executable
true
-
delete_original
false
-
host_id
Cleint-%Rand%
-
install_path
%AppData%\Microsoft\Crypto\fers.exe
-
keylogger_dir
%AppData%\msr\
-
lock_executable
false
-
offline_keylogger
true
-
password
\tx>N(6H`Om2k/cWJBp,""bUbAd1-0Mg
-
registry_autorun
true
-
startup_name
fers
-
use_mutex
false
Signatures
- NetWire RAT payload 12 IoCs
- Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
- 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
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb8689a8c6988aa80c7a79c6353158eb.exe"C:\Users\Admin\AppData\Local\Temp\cb8689a8c6988aa80c7a79c6353158eb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cb8689a8c6988aa80c7a79c6353158eb.exeC:\Users\Admin\AppData\Local\Temp\cb8689a8c6988aa80c7a79c6353158eb.exe2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\fers.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\fers.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\fers.exeC:\Users\Admin\AppData\Roaming\Microsoft\Crypto\fers.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
aut3AC7.tmp
fers.exe
memory/1192-20-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1192-7-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1192-8-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1192-9-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1192-10-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1192-11-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1192-13-0x00000000776F8000-0x00000000776F9000-memory.dmp
memory/1192-12-0x0000000003FC0000-0x0000000004026000-memory.dmp
memory/1940-19-0x0000000000C60000-0x0000000000C90000-memory.dmp
memory/1940-16-0x0000000000C60000-0x0000000000C90000-memory.dmp
memory/1940-14-0x0000000000C60000-0x0000000000C90000-memory.dmp
memory/2504-45-0x0000000000BC0000-0x0000000000BF0000-memory.dmp
memory/2504-48-0x0000000000BC0000-0x0000000000BF0000-memory.dmp
memory/2504-50-0x0000000000BC0000-0x0000000000BF0000-memory.dmp
memory/2504-52-0x0000000000BC0000-0x0000000000BF0000-memory.dmp
memory/4648-44-0x00000000021E0000-0x0000000002246000-memory.dmp
memory/4648-51-0x00000000021E0000-0x0000000002246000-memory.dmp