Analysis Overview
SHA256
5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860
Threat Level: Known bad
The file 5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860 was found to be: Known bad.
Malicious Activity Summary
Netwire family
NetWire RAT payload
Netwire
Executes dropped EXE
Loads dropped DLL
Drops file in Windows directory
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-17 02:54
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 02:54
Reported
2022-02-17 03:10
Platform
win7-en-20211208
Max time kernel
118s
Max time network
141s
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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1100 wrote to memory of 1840 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 1100 wrote to memory of 1840 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 1100 wrote to memory of 1840 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 1100 wrote to memory of 1840 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe
"C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe"
C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sgteyor.ddns.net | udp |
Files
memory/1100-55-0x0000000075421000-0x0000000075423000-memory.dmp
\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | 3c5b1f0eb1444a37bf8a7f21d9d7f985 |
| SHA1 | b3f5ba2fc4e02f6ab79fb2fa719901eec29ee7bc |
| SHA256 | 5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860 |
| SHA512 | 06b8b05d7e5dcc4d44a10fd56a2c1280390b0c646bd550baad901499cb675cbf17b2d340c02954057c422059642f9447ac2cce72a52cd31afc1d5971278382bb |
\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | 3c5b1f0eb1444a37bf8a7f21d9d7f985 |
| SHA1 | b3f5ba2fc4e02f6ab79fb2fa719901eec29ee7bc |
| SHA256 | 5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860 |
| SHA512 | 06b8b05d7e5dcc4d44a10fd56a2c1280390b0c646bd550baad901499cb675cbf17b2d340c02954057c422059642f9447ac2cce72a52cd31afc1d5971278382bb |
C:\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | 3c5b1f0eb1444a37bf8a7f21d9d7f985 |
| SHA1 | b3f5ba2fc4e02f6ab79fb2fa719901eec29ee7bc |
| SHA256 | 5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860 |
| SHA512 | 06b8b05d7e5dcc4d44a10fd56a2c1280390b0c646bd550baad901499cb675cbf17b2d340c02954057c422059642f9447ac2cce72a52cd31afc1d5971278382bb |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-17 02:54
Reported
2022-02-17 03:10
Platform
win10v2004-en-20220112
Max time kernel
166s
Max time network
177s
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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| 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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat | C:\Windows\System32\svchost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotifyIcon.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotifyIcon.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.215144" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.040982" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132897173148193999" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.250430" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1676 wrote to memory of 1204 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 1676 wrote to memory of 1204 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
| PID 1676 wrote to memory of 1204 | N/A | C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe | C:\Users\Admin\AppData\Roaming\Install\Host.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe
"C:\Users\Admin\AppData\Local\Temp\5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860.exe"
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
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 NetworkService -p
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 | 104.80.224.57:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | sgteyor.ddns.net | udp |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.184.216.174:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | sgteyor.ddns.net | udp |
Files
C:\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | 3c5b1f0eb1444a37bf8a7f21d9d7f985 |
| SHA1 | b3f5ba2fc4e02f6ab79fb2fa719901eec29ee7bc |
| SHA256 | 5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860 |
| SHA512 | 06b8b05d7e5dcc4d44a10fd56a2c1280390b0c646bd550baad901499cb675cbf17b2d340c02954057c422059642f9447ac2cce72a52cd31afc1d5971278382bb |
C:\Users\Admin\AppData\Roaming\Install\Host.exe
| MD5 | 3c5b1f0eb1444a37bf8a7f21d9d7f985 |
| SHA1 | b3f5ba2fc4e02f6ab79fb2fa719901eec29ee7bc |
| SHA256 | 5e3bdf77c3b1b40c7e2219aa82fe6b0f30989bd58a27978a8a352a7ba5934860 |
| SHA512 | 06b8b05d7e5dcc4d44a10fd56a2c1280390b0c646bd550baad901499cb675cbf17b2d340c02954057c422059642f9447ac2cce72a52cd31afc1d5971278382bb |