Analysis Overview
SHA256
f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9
Threat Level: Known bad
The file f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9 was found to be: Known bad.
Malicious Activity Summary
Trickbot
Sets service image path in registry
Dave packer
Drops file in Windows directory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-05 07:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-05 07:50
Reported
2022-02-05 07:53
Platform
win7-en-20211208
Max time kernel
142s
Max time network
126s
Command Line
Signatures
Trickbot
Dave packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wermgr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wermgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe
"C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe"
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
Network
Files
memory/1396-53-0x0000000074F01000-0x0000000074F03000-memory.dmp
memory/1396-54-0x00000000002F0000-0x000000000031E000-memory.dmp
memory/1396-57-0x0000000000390000-0x00000000003BB000-memory.dmp
memory/1396-58-0x0000000000240000-0x000000000026C000-memory.dmp
memory/1396-59-0x0000000000360000-0x000000000038A000-memory.dmp
memory/1396-61-0x0000000010000000-0x0000000010003000-memory.dmp
memory/1396-60-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/972-62-0x00000000000F0000-0x0000000000230000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-05 07:50
Reported
2022-02-05 07:53
Platform
win10v2004-en-20220112
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Trickbot
Dave packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Sets service image path in registry
Drops file in Windows directory
| Description | Indicator | Process | Target |
| 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 |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople | C:\Windows\System32\WaaSMedicAgent.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\DownloadMonthlyLinkLocalBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople | C:\Windows\System32\WaaSMedicAgent.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\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\LANConnectionCount = "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 |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs | C:\Windows\System32\WaaSMedicAgent.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\PeerInfoCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Windows\System32\WaaSMedicAgent.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\CDNConnectionCount = "0" | 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\NormalDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs | C:\Windows\System32\WaaSMedicAgent.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\PriorityDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3920" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs | C:\Windows\System32\WaaSMedicAgent.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 (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\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\PriorityDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA | C:\Windows\System32\WaaSMedicAgent.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 (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\InternetConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Windows\System32\WaaSMedicAgent.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\DownlinkUsageBps = "0" | 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\DownloadMonthlyRateFrBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| 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 |
| 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\DownloadMonthlyCdnBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132886974530208954" | 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\UploadRatePct = "100" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Windows\System32\WaaSMedicAgent.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\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 = "0.000000" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot | C:\Windows\System32\WaaSMedicAgent.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\UploadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" | C:\Windows\System32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wermgr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wermgr.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 816 wrote to memory of 3260 | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | C:\Windows\system32\wermgr.exe |
| PID 816 wrote to memory of 3260 | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | C:\Windows\system32\wermgr.exe |
| PID 816 wrote to memory of 3260 | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | C:\Windows\system32\wermgr.exe |
| PID 816 wrote to memory of 3260 | N/A | C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe | C:\Windows\system32\wermgr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe
"C:\Users\Admin\AppData\Local\Temp\f750671ee53265e7e39795944aeb09b5e081871bfe0005627729ab91825ddbb9.exe"
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 1683ddec8a6b703fa4b8ab0338aca571 56J+OO/JnEWglzfMAQ6rcg.0.1.0.0.0
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| NL | 104.110.191.140:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.137.102.105:443 | 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 | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 93.184.221.240:80 | tcp |
Files
memory/816-130-0x0000000000620000-0x000000000064E000-memory.dmp
memory/816-133-0x0000000002230000-0x000000000225B000-memory.dmp
memory/816-134-0x00000000005F0000-0x000000000061C000-memory.dmp
memory/816-135-0x0000000002200000-0x000000000222A000-memory.dmp
memory/816-138-0x0000000002270000-0x0000000002271000-memory.dmp
memory/816-139-0x0000000010000000-0x0000000010003000-memory.dmp
memory/3260-140-0x000001DD87A10000-0x000001DD87C50000-memory.dmp