Analysis Overview
SHA256
5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20
Threat Level: Known bad
The file 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 was found to be: Known bad.
Malicious Activity Summary
NetWire RAT payload
Netwire family
Netwire
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-17 02:45
Signatures
NetWire RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Netwire family
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-17 02:45
Reported
2022-02-17 03:06
Platform
win7-en-20211208
Max time kernel
126s
Max time network
152s
Command Line
Signatures
NetWire RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Netwire
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\windowsupdate.exe" | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe
"C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe"
C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
"C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | kingshakes.linkpc.net | udp |
| NG | 105.112.187.191:2017 | kingshakes.linkpc.net | tcp |
| NG | 105.112.187.191:2017 | kingshakes.linkpc.net | tcp |
Files
memory/1588-54-0x0000000076151000-0x0000000076153000-memory.dmp
\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-17 02:45
Reported
2022-02-17 03:06
Platform
win10v2004-en-20220113
Max time kernel
139s
Max time network
168s
Command Line
Signatures
NetWire RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Netwire
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\windowsupdate.exe" | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\Logs\CBS\CBS.log | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\WinSxS\pending.xml | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2696 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe |
| PID 2696 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe |
| PID 2696 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe | C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe
"C:\Users\Admin\AppData\Local\Temp\5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20.exe"
C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
"C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| NL | 88.221.144.170:80 | tcp | |
| NL | 88.221.144.170:80 | tcp | |
| US | 8.8.8.8:53 | kingshakes.linkpc.net | udp |
| NG | 105.112.187.191:2017 | kingshakes.linkpc.net | tcp |
| NG | 105.112.187.191:2017 | kingshakes.linkpc.net | tcp |
Files
C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe
| MD5 | ea930dacbcdccf4d29416392cdab6a36 |
| SHA1 | b9f7505a3b100d524edae9488e3818080d338dfa |
| SHA256 | 5f88b8a047553a717d2674304233b5f3fce063f46b22b33b272a4296af2b6f20 |
| SHA512 | fea4ff24f3090be851113a98915d418d489184c1b421a38ebe8252f4905be2edf77018a4062351c0cbf27404feb1d25bc72fdc0478e09336e6c244b7d146094f |
memory/2008-132-0x000002D831C20000-0x000002D831C30000-memory.dmp
memory/2008-133-0x000002D831C80000-0x000002D831C90000-memory.dmp
memory/2008-134-0x000002D834340000-0x000002D834344000-memory.dmp