Analysis Overview
SHA256
5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397
Threat Level: Known bad
The file 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397 was found to be: Known bad.
Malicious Activity Summary
NetWire RAT payload
Netwire family
Netwire
Executes dropped EXE
Modifies Installed Components in the registry
Loads dropped DLL
Adds Run key to start application
Drops file in Windows directory
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-17 02:48
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 02:48
Reported
2022-02-17 03:10
Platform
win7-en-20211208
Max time kernel
125s
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 |
Netwire
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Install\Host.exe | N/A |
Modifies Installed Components in the registry
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ | C:\Users\Admin\AppData\Roaming\Install\Host.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" | C:\Users\Admin\AppData\Roaming\Install\Host.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 288 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 288 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 288 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 288 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe
"C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe"
C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe"
Network
| Country | Destination | Domain | Proto |
| US | 74.125.34.46:80 | tcp | |
| NL | 213.152.162.89:8747 | tcp | |
| NL | 213.152.162.89:8733 | tcp |
Files
memory/288-55-0x0000000076921000-0x0000000076923000-memory.dmp
\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | ef27e69c697d6b8767abadeb2bc32ea8 |
| SHA1 | eb9b3a37df4cc57dd56d589cb2c6053e1826b23a |
| SHA256 | 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397 |
| SHA512 | 1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b |
\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | ef27e69c697d6b8767abadeb2bc32ea8 |
| SHA1 | eb9b3a37df4cc57dd56d589cb2c6053e1826b23a |
| SHA256 | 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397 |
| SHA512 | 1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b |
C:\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | ef27e69c697d6b8767abadeb2bc32ea8 |
| SHA1 | eb9b3a37df4cc57dd56d589cb2c6053e1826b23a |
| SHA256 | 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397 |
| SHA512 | 1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-17 02:48
Reported
2022-02-17 03:10
Platform
win10v2004-en-20220113
Max time kernel
127s
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\Install\Host.exe | N/A |
Modifies Installed Components in the registry
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\Install\Host.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" | C:\Users\Admin\AppData\Roaming\Install\Host.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 |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 408 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 408 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 408 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe
"C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe"
C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.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 | 74.125.34.46:80 | tcp | |
| NL | 213.152.162.89:8747 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| NL | 213.152.162.89:8733 | tcp |
Files
C:\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | ef27e69c697d6b8767abadeb2bc32ea8 |
| SHA1 | eb9b3a37df4cc57dd56d589cb2c6053e1826b23a |
| SHA256 | 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397 |
| SHA512 | 1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b |
C:\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | ef27e69c697d6b8767abadeb2bc32ea8 |
| SHA1 | eb9b3a37df4cc57dd56d589cb2c6053e1826b23a |
| SHA256 | 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397 |
| SHA512 | 1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b |
memory/992-132-0x000002753B160000-0x000002753B170000-memory.dmp
memory/992-133-0x000002753B720000-0x000002753B730000-memory.dmp
memory/992-134-0x000002753DDE0000-0x000002753DDE4000-memory.dmp