Analysis
- max time kernel
144s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/09/2022, 15:49
General
- Target SecuriteInfo.com.Win32.PWSX-gen.9061.exe
- Size 666KB
- Sample220906-s9blhacfcm
- SHA256 fdf3f859ee5b8be0d6cda53c88e94d6b75b676e055102b828fc8106826f446ce
Malware Config
Extracted
-
netwire
-
37.0.14.206:3384
-
activex_autorun
false
-
copy_executable
true
-
delete_original
false
-
host_id
HostId-%Rand%
-
install_path
%AppData%\Install\Host.exe
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
true
-
offline_keylogger
true
-
password
Password234
-
registry_autorun
false
-
use_mutex
false
Signatures
- NetWire RAT payload 6 IoCs
- Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
- Executes dropped EXE 2 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 31 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9061.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9061.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UNyTzXTTIG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A7.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9061.exe"{path}"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UNyTzXTTIG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8944.tmp"4⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\Install\Host.exe"{path}"4⤵
- Executes dropped EXE
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp6A7.tmp
tmp8944.tmp
Host.exe
Host.exe
Host.exe
memory/3392-155-0x0000000000400000-0x0000000000433000-memory.dmp
memory/3392-154-0x0000000000400000-0x0000000000433000-memory.dmp
memory/3392-153-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4404-134-0x0000000004FA0000-0x0000000005032000-memory.dmp
memory/4404-135-0x00000000051E0000-0x000000000527C000-memory.dmp
memory/4404-136-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/4404-132-0x0000000000560000-0x000000000060C000-memory.dmp
memory/4404-133-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/4432-146-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4432-142-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4432-140-0x0000000000400000-0x0000000000433000-memory.dmp