Analysis
- max time kernel
166s - max time network
175s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
17/02/2022, 18:24
Static task
static1
Behavioral task
behavioral1
Sample
1fd18d12f95ae72da27cab03c5136f86.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target 1fd18d12f95ae72da27cab03c5136f86.exe
- Size 764KB
- Sample220217-w129msebbj
- SHA256 a6fc3d54528af98d4e971543db7f11f891d08269e288ad6822959c0a47665609
- MD5 1fd18d12f95ae72da27cab03c5136f86
- SHA1 f8c231644d814b1bb2121c6b7b739733aef39ee8
- SHA512 d0efbe68650c2fdaf1dd6baf9f234aa6e6dcef085e23a88d511e48c5a034b88197494577540299eb252ff01b770bd5dd7c9c3ed95b30c8c61119808c0d28e0d6
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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formbook
Version
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4.1
Campaign
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p0t9
Decoy
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marketplacewins.com
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boymeetsmilf.com
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ruhuplus.com
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adultescortnft.com
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app683.icu
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viade.store
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businesscardadvertiser.com
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5649tk.com
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daoguo456.com
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digitalservice.pro
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muabannothienuy.com
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geneseeampwyoming.com
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olliejay00.com
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pristineintegrity.info
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jimdeyux0kopgnhsldig.club
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eadsscale.club
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iwelim.space
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s29x.club
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brysonhajee.com
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trainership.com
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buildingwealthwisely.com
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clientes-numero-ayuda.site
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crearesiteweb.net
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digitalwlletparbuu.com
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qlik-active-intelligence.com
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lovingvera.com
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angy.one
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pennabilliebiketrail.com
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mlclending.com
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craftypagan.com
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jantech.info
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doorkid.com
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dedc8.com
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cafedelmundo.coffee
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nagi-dormitory.com
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scxwhb.icu
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ebiketraders.com
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turnkeygrouprealty.com
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firesprinklersarizona.com
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massage-wellness-touch.com
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prettymallus.com
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halyazal.com
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cmagothyconsulting.com
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littlelovesmarket.com
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shelstclair.net
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easyspectro.com
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wawachongqi.com
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medikatequisquiapan.com
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snapshot22.com
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salaso039brien.com
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collabproducts.com
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forndek.xyz
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yuzu-svvap.com
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lightyearcars.com
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yebb-whybbb.com
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daggerandpearls.com
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liaonei.icu
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escortlarnazilli.com
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dwefikingdoms.com
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brittanymays.com
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marcellaeulisses.com
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thatcameraguy.photography
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getthete.com
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micrento.com
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tre4x4usa.com
Signatures
- Formbook Payload 2 IoCs
resource yara_rule behavioral2/memory/3900-135-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/744-144-0x00000000001D0000-0x00000000001FF000-memory.dmp formbook - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4072 set thread context of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 3900 set thread context of 2440 3900 vbc.exe 46 PID 744 set thread context of 2440 744 cmstp.exe 46 - 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 - 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 50 IoCs
description ioc Process 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\BkDownloadRatePct = "45" 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 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\UploadCount = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324" 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\MemoryUsageKB = "4120" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "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\DownlinkUsageBps = "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 = "0.000000" 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\Usage\DownloadMonthlyInternetBytes = "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\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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328" 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\DownloadMonthlyLinkLocalBytes = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.162813" 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\UploadMonthlyLanBytes = "0" 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\DownloadMonthlyRateFrCnt = "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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132897723783673455" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.684096" 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\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 = "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\UplinkUsageBps = "0" svchost.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3900 vbc.exe 3900 vbc.exe 3900 vbc.exe 3900 vbc.exe 744 cmstp.exe 744 cmstp.exe 744 cmstp.exe 744 cmstp.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3900 vbc.exe 3900 vbc.exe 3900 vbc.exe 744 cmstp.exe 744 cmstp.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4072 wrote to memory of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 4072 wrote to memory of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 4072 wrote to memory of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 4072 wrote to memory of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 4072 wrote to memory of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 4072 wrote to memory of 3900 4072 1fd18d12f95ae72da27cab03c5136f86.exe 83 PID 2440 wrote to memory of 744 2440 Explorer.EXE 86 PID 2440 wrote to memory of 744 2440 Explorer.EXE 86 PID 2440 wrote to memory of 744 2440 Explorer.EXE 86 PID 744 wrote to memory of 2136 744 cmstp.exe 87 PID 744 wrote to memory of 2136 744 cmstp.exe 87 PID 744 wrote to memory of 2136 744 cmstp.exe 87
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Users\Admin\AppData\Local\Temp\1fd18d12f95ae72da27cab03c5136f86.exe"C:\Users\Admin\AppData\Local\Temp\1fd18d12f95ae72da27cab03c5136f86.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3900
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-
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵PID:2136
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2552
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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:4076
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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:872