Resubmissions
13/02/2022, 03:51
220213-eetlyafdbq1001/02/2022, 14:04
220201-rdsdpsfder1030/01/2022, 23:37
220130-3l5jsacben3Analysis
- max time kernel
163s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
13/02/2022, 03:51
Static task
static1
Behavioral task
behavioral1
Sample
95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe
- Size 397KB
- Sample220213-eetlyafdbq
- SHA256 95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81
- MD5 060d27d25844b408e0d5d6d42684b669
- SHA1 5105db84660209f5481880e09145536254c6995b
- SHA512 1bbd305e1e003390f9b74b553d30650e8580a5c642b403584b67993d243d6676448ccfb3db31d1c2e62852dd21ceb16e1087bc25d5c19593e03b50281728c5b0
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 3680 created 388 3680 WerFault.exe 57 - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Program crash 2 IoCs
pid pid_target Process procid_target 2196 388 WerFault.exe 57 2592 388 WerFault.exe 57 - Checks processor information in registry 2 TTPs 5 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe - Modifies data under HKEY_USERS 54 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\PeerInfoCount = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.114075" 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\DownloadMonthlyLinkLocalBytes = "0" 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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyLanBytes = "0" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\Config 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 (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\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" 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\FrDownloadRatePct = "90" 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\PriorityDownloadCount = "0" svchost.exe 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.045548" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\LinkLocalConnectionCount = "0" 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\Usage\DownloadMonthlyInternetBytes = "0" 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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893743769223287" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4240" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.526702" svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2196 WerFault.exe 2196 WerFault.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 2196 WerFault.exe Token: SeBackupPrivilege 2196 WerFault.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe Token: SeSecurityPrivilege 3908 TiWorker.exe Token: SeBackupPrivilege 3908 TiWorker.exe Token: SeRestorePrivilege 3908 TiWorker.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 388 wrote to memory of 2196 388 95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe 72 PID 388 wrote to memory of 2196 388 95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe 72 PID 388 wrote to memory of 2196 388 95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe 72 PID 3680 wrote to memory of 388 3680 WerFault.exe 57 PID 3680 wrote to memory of 388 3680 WerFault.exe 57
Processes
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C:\Users\Admin\AppData\Local\Temp\95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe"C:\Users\Admin\AppData\Local\Temp\95202fe13309a9b1651766298c833b21494a92f0b210fc6469d79d3fa444db81.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 5482⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 5482⤵
- Program crash
PID:2592
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3828
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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:3172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 388 -ip 3881⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3680
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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:3908