Analysis Overview
SHA256
8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8
Threat Level: Known bad
The file 8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8 was found to be: Known bad.
Malicious Activity Summary
Netwire family
NetWire RAT payload
Netwire
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
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 00:10
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 00:10
Reported
2022-02-17 00:25
Platform
win7-en-20211208
Max time kernel
117s
Max time network
137s
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 |
Netwire
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1212 wrote to memory of 764 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
| PID 1212 wrote to memory of 764 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
| PID 1212 wrote to memory of 764 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
| PID 1212 wrote to memory of 764 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe
"C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe"
C:\Users\Admin\AppData\Roaming\Install\Hostes.exe
"C:\Users\Admin\AppData\Roaming\Install\Hostes.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | uploadp2p.publicvm.com | udp |
| MA | 102.53.176.107:3362 | uploadp2p.publicvm.com | tcp |
| MA | 102.53.176.107:3362 | uploadp2p.publicvm.com | tcp |
Files
memory/1212-55-0x0000000075D61000-0x0000000075D63000-memory.dmp
\Users\Admin\AppData\Roaming\Install\Hostes.exe
| MD5 | 63ac5ce1a0da946394ef90e06492927c |
| SHA1 | 9553cddd84dd3e9db5b22594ec9f50bb18cb14b0 |
| SHA256 | 8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8 |
| SHA512 | 16cc8fb53e8a23dcca49187c847b90b5fc8a63958d83337a1ce45e30da448935405c456b3390003322d389bea6022d762650cb5083f348df7556dc0e9b8548d6 |
\Users\Admin\AppData\Roaming\Install\Hostes.exe
| MD5 | 63ac5ce1a0da946394ef90e06492927c |
| SHA1 | 9553cddd84dd3e9db5b22594ec9f50bb18cb14b0 |
| SHA256 | 8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8 |
| SHA512 | 16cc8fb53e8a23dcca49187c847b90b5fc8a63958d83337a1ce45e30da448935405c456b3390003322d389bea6022d762650cb5083f348df7556dc0e9b8548d6 |
C:\Users\Admin\AppData\Roaming\Install\Hostes.exe
| MD5 | 63ac5ce1a0da946394ef90e06492927c |
| SHA1 | 9553cddd84dd3e9db5b22594ec9f50bb18cb14b0 |
| SHA256 | 8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8 |
| SHA512 | 16cc8fb53e8a23dcca49187c847b90b5fc8a63958d83337a1ce45e30da448935405c456b3390003322d389bea6022d762650cb5083f348df7556dc0e9b8548d6 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-17 00:10
Reported
2022-02-17 00:25
Platform
win10v2004-en-20220113
Max time kernel
133s
Max time network
167s
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\Install\Hostes.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\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| 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 |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4852 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
| PID 4852 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
| PID 4852 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe | C:\Users\Admin\AppData\Roaming\Install\Hostes.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe
"C:\Users\Admin\AppData\Local\Temp\8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8.exe"
C:\Users\Admin\AppData\Roaming\Install\Hostes.exe
"C:\Users\Admin\AppData\Roaming\Install\Hostes.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 |
| US | 8.8.8.8:53 | uploadp2p.publicvm.com | udp |
| MA | 102.53.176.107:3362 | uploadp2p.publicvm.com | tcp |
| NL | 88.221.144.170:80 | tcp | |
| NL | 88.221.144.170:80 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| MA | 102.53.176.107:3362 | uploadp2p.publicvm.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
Files
C:\Users\Admin\AppData\Roaming\Install\Hostes.exe
| MD5 | 63ac5ce1a0da946394ef90e06492927c |
| SHA1 | 9553cddd84dd3e9db5b22594ec9f50bb18cb14b0 |
| SHA256 | 8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8 |
| SHA512 | 16cc8fb53e8a23dcca49187c847b90b5fc8a63958d83337a1ce45e30da448935405c456b3390003322d389bea6022d762650cb5083f348df7556dc0e9b8548d6 |
C:\Users\Admin\AppData\Roaming\Install\Hostes.exe
| MD5 | 63ac5ce1a0da946394ef90e06492927c |
| SHA1 | 9553cddd84dd3e9db5b22594ec9f50bb18cb14b0 |
| SHA256 | 8077ab4eb763f47987ff28098272fc86a364cca3acf5831d0a3aac450dcba1f8 |
| SHA512 | 16cc8fb53e8a23dcca49187c847b90b5fc8a63958d83337a1ce45e30da448935405c456b3390003322d389bea6022d762650cb5083f348df7556dc0e9b8548d6 |
memory/3124-132-0x0000024323960000-0x0000024323970000-memory.dmp
memory/3124-133-0x0000024323F20000-0x0000024323F30000-memory.dmp
memory/3124-134-0x0000024326590000-0x0000024326594000-memory.dmp