Analysis
- max time kernel
166s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/02/2022, 09:24
Static task
static1
Behavioral task
behavioral1
Sample
e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe
- Size 284KB
- Sample220219-lc6xtaach7
- SHA256 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6
- MD5 1dba6d5755c0c727a32c087740bda524
- SHA1 59e59b582a3997eedbbd5fd3509b188cbe809c37
- SHA512 f7a339b361bcac89ba860228486117073538df57d80e25ddee193a1f689b96f394f8c2e3ace6de8c8963da194be6d4b1a498159fb303faaf27d2d37bbd458853
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- NetWire RAT payload 3 IoCs
resource yara_rule behavioral2/memory/2744-133-0x0000000000400000-0x000000000041E000-memory.dmp netwire behavioral2/memory/2744-135-0x0000000000401000-0x000000000041E000-memory.dmp netwire behavioral2/memory/2744-137-0x0000000000401000-0x000000000041E000-memory.dmp netwire - Modifies Installed Components in the registry 2 TTPs
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AcroRd32.vbs e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4072 set thread context of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe - Modifies data under HKEY_USERS 49 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.347490" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe 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" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019569" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe 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" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132899129714920482" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe Token: SeRestorePrivilege 3748 TiWorker.exe Token: SeSecurityPrivilege 3748 TiWorker.exe Token: SeBackupPrivilege 3748 TiWorker.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69 PID 4072 wrote to memory of 2744 4072 e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe"C:\Users\Admin\AppData\Local\Temp\e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Users\Admin\AppData\Local\Temp\e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe"C:\Users\Admin\AppData\Local\Temp\e45b917d7b153fa59545b2cbb3c6437d5820aa80b5718946df1bd10401ea39b6.exe"2⤵PID:2744
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1924
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2204
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3748