Analysis Overview
SHA256
98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7
Threat Level: Known bad
The file 98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7 was found to be: Known bad.
Malicious Activity Summary
Trickbot
Dave packer
Drops file in Windows directory
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-05 12:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-05 12:30
Reported
2022-02-05 12:32
Platform
win7-en-20211208
Max time kernel
149s
Max time network
154s
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\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.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\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe
"C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe"
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
Network
Files
memory/1492-55-0x00000000769D1000-0x00000000769D3000-memory.dmp
memory/1492-56-0x0000000000270000-0x000000000029E000-memory.dmp
memory/1492-59-0x00000000004C0000-0x00000000004EB000-memory.dmp
memory/1492-61-0x00000000003B0000-0x00000000003DA000-memory.dmp
memory/1492-60-0x00000000001C0000-0x00000000001EC000-memory.dmp
memory/1492-62-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/1492-64-0x0000000010000000-0x0000000010003000-memory.dmp
memory/1680-63-0x0000000000060000-0x0000000000080000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-05 12:30
Reported
2022-02-05 12:32
Platform
win10v2004-en-20220112
Max time kernel
154s
Max time network
162s
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 |
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 |
| 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\BkDownloadRatePct = "45" | 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\DownloadMonthlyLanBytes = "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\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\UploadRatePct = "100" | 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 |
| 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\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 = "3948" | 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\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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 |
| 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\CacheSizeBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.146610" | 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\UplinkBps = "0" | 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\DownloadMonthlyInternetBytes = "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 (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\CDNConnectionCount = "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\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 = "4084" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013129" | 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\MonthlyUploadRestriction = "0" | 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\UploadMonthlyInternetBytes = "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 (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 (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\DownloadMonthlyCdnBytes = "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\Config\KVFileExpirationTime = "132887142432576246" | 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\NormalDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.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 220 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe | C:\Windows\system32\wermgr.exe |
| PID 220 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe | C:\Windows\system32\wermgr.exe |
| PID 220 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe | C:\Windows\system32\wermgr.exe |
| PID 220 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe | C:\Windows\system32\wermgr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe
"C:\Users\Admin\AppData\Local\Temp\98c4b212b55a706153eea5a1c5405eb7d2659de200d2c67c72f556c1982c07b7.exe"
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
Network
| Country | Destination | Domain | Proto |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 40.91.80.89:443 | 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 | settings-win.data.microsoft.com | udp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 67.199.248.16:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 104.23.99.190:443 | tcp |
Files
memory/220-130-0x00000000021E0000-0x000000000220E000-memory.dmp
memory/220-133-0x0000000002240000-0x000000000226B000-memory.dmp
memory/220-134-0x00000000005F0000-0x000000000061C000-memory.dmp
memory/220-135-0x0000000002210000-0x000000000223A000-memory.dmp
memory/220-139-0x0000000010000000-0x0000000010003000-memory.dmp
memory/220-138-0x0000000000630000-0x0000000000631000-memory.dmp
memory/3952-140-0x0000026B6D490000-0x0000026B6D770000-memory.dmp