Analysis
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max time kernel
159s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
13-02-2022 12:21
Static task
static1
Behavioral task
behavioral1
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win10v2004-en-20220112
Behavioral task
behavioral3
Sample
unpacked.exe
Resource
win7-en-20211208
Behavioral task
behavioral4
Sample
unpacked.exe
Resource
win10v2004-en-20220113
General
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Target
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
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Size
49KB
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MD5
46bfd4f1d581d7c0121d2b19a005d3df
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SHA1
5b063298bbd1670b4d39e1baef67f854b8dcba9d
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SHA256
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
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SHA512
b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 1968 created 1760 1968 WerFault.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exedescription pid process target process PID 2424 set thread context of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.exedescription ioc process 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
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1724 1760 WerFault.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 1848 1760 WerFault.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe -
Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WerFault.exeMusNotifyIcon.exedescription ioc process 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 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 -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
WerFault.exedescription 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 51 IoCs
Processes:
svchost.exedescription ioc process 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\DownlinkBps = "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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe 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\MonthID = "1" 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\UploadRatePct = "100" 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\Config\DODownloadMode = "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\UploadMonthlyLanBytes = "0" 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\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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\MemoryUsageKB = "4004" 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.925922" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204" 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\MonthID = "2" 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\SwarmCount = "1" 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\GroupConnectionCount = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\DownloadMonthlyCdnBytes = "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\PriorityDownloadCount = "0" 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\Config\KVFileExpirationTime = "132894050133259724" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.082754" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
WerFault.exepid process 1724 WerFault.exe 1724 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
Processes:
WerFault.exeTiWorker.exedescription pid process Token: SeRestorePrivilege 1724 WerFault.exe Token: SeBackupPrivilege 1724 WerFault.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe Token: SeBackupPrivilege 3208 TiWorker.exe Token: SeRestorePrivilege 3208 TiWorker.exe Token: SeSecurityPrivilege 3208 TiWorker.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exeWerFault.exedescription pid process target process PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 2424 wrote to memory of 1760 2424 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 1760 wrote to memory of 1724 1760 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe WerFault.exe PID 1760 wrote to memory of 1724 1760 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe WerFault.exe PID 1760 wrote to memory of 1724 1760 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe WerFault.exe PID 1968 wrote to memory of 1760 1968 WerFault.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe PID 1968 wrote to memory of 1760 1968 WerFault.exe 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 3443⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 3443⤵
- Program crash
PID:1848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1760 -ip 17601⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1968
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3304
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:1324
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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:3208