Analysis
- max time kernel
61s - max time network
64s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
27/02/2022, 10:43
General
- Target Kasim Fatura kopyasi II.exe
- Size 604KB
- Sample220227-msc54scad6
- SHA256 c734e33c043aae3ebf3e0b80416b3575c30aadcc836ee8444783130352db0040
Malware Config
Extracted
-
netwire
-
zlantan1234.duckdns.org:32141
-
activex_autorun
true
-
activex_key
{7BQ7E2JF-5M67-4K34-HOJY-OD7U3GOU5A0N}
-
copy_executable
true
-
delete_original
false
-
host_id
zlantan
-
install_path
%AppData%\Install\Host.exe
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
false
- mutex
-
offline_keylogger
true
-
password
goodwork1985
-
registry_autorun
true
-
startup_name
NetWire
-
use_mutex
false
Signatures
- NetWire RAT payload 2 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
- Modifies Installed Components in the registry 2 TTPs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Kasim Fatura kopyasi II.exe"C:\Users\Admin\AppData\Local\Temp\Kasim Fatura kopyasi II.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Kasim Fatura kopyasi II.exe"C:\Users\Admin\AppData\Local\Temp\Kasim Fatura kopyasi II.exe"2⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
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-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2364-132-0x0000000002300000-0x000000000230E000-memory.dmp
memory/2364-133-0x00007FFF57D91000-0x00007FFF57EAA000-memory.dmp
memory/2364-134-0x0000000077201000-0x0000000077321000-memory.dmp
memory/5016-135-0x0000000000400000-0x0000000000498000-memory.dmp
memory/5016-137-0x0000000000400000-0x0000000000425000-memory.dmp
memory/5016-140-0x0000000000401000-0x0000000000417000-memory.dmp