Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
07-02-2024 14:37
Static task
static1
Behavioral task
behavioral1
Sample
Fast.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Fast.exe
Resource
win10v2004-20231215-en
General
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Target
Fast.exe
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Size
55KB
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MD5
ea6d3083f8c1c506fbff457bf09a7ed8
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SHA1
f159c4fc7d13571e725f0ae9e0749c77cf859b4e
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SHA256
000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46
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SHA512
1167b9ebe03c399c5915394592f97ce60bd07e92f589a4a0d794255c7a9c46423dd28efbf96b45aab6a67763a20676627f35683cc6790bf1383c7f07b6e28405
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SSDEEP
1536:ENeRBl5PT/rx1mzwRMSTdLpJVIVAxN/0nVS12:EQRrmzwR5JiWxNIJ
Malware Config
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
Processes:
bcdedit.exebcdedit.exebcdedit.exebcdedit.exepid process 1008 bcdedit.exe 852 bcdedit.exe 644 bcdedit.exe 872 bcdedit.exe -
Renames multiple (310) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Processes:
wbadmin.exewbadmin.exepid process 1764 wbadmin.exe 1272 wbadmin.exe -
Modifies Windows Firewall 2 TTPs 2 IoCs
Processes:
netsh.exenetsh.exepid process 2092 netsh.exe 2736 netsh.exe -
Drops startup file 3 IoCs
Processes:
Fast.exedescription ioc process File created \??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\Fast.exe Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Fast.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Fast.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fast = "C:\\Users\\Admin\\AppData\\Local\\Fast.exe" Fast.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fast = "C:\\Users\\Admin\\AppData\\Local\\Fast.exe" Fast.exe -
Drops desktop.ini file(s) 64 IoCs
Processes:
Fast.exedescription ioc process File opened for modification C:\Program Files\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Ringtones\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Links\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Music\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini Fast.exe File opened for modification C:\Users\Public\Pictures\desktop.ini Fast.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini Fast.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\MAOUTFV0\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\52FOIFWV\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini Fast.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini Fast.exe File opened for modification C:\Users\Public\Downloads\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini Fast.exe File opened for modification C:\Users\Public\desktop.ini Fast.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini Fast.exe File opened for modification C:\Users\Public\Videos\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini Fast.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini Fast.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3601492379-692465709-652514833-1000\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\Searches\desktop.ini Fast.exe File opened for modification C:\Users\Public\Desktop\desktop.ini Fast.exe File opened for modification C:\Users\Public\Music\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\MO0EVTEO\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\P78YEUVS\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\F3BH80GA\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Fast.exe File opened for modification C:\Users\Public\Documents\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TQO7542V\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini Fast.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-3601492379-692465709-652514833-1000\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\OZ66ZEGB\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini Fast.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\2WD6IYSB\desktop.ini Fast.exe -
Drops file in Program Files directory 64 IoCs
Processes:
Fast.exedescription ioc process File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.nl_ja_4.4.0.v20140623020002.jar.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0341738.JPG.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR30F.GIF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FieldTypePreview\Attachments.jpg Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\MARQUEE.POC.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\sqlceqp35.dll.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\VideoLAN\VLC\plugins\services_discovery\libpodcast_plugin.dll.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\Providers\Proximity\11.00\can.hyp.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\ja-JP\msaddsr.dll.mui Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH00260_.WMF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_choosecolor.gif.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\Microsoft Games\Solitaire\fr-FR\Solitaire.exe.mui.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\bg_Earthy.gif Fast.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-full_partly-cloudy.png Fast.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\de-DE\js\service.js Fast.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\graph_down.png Fast.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-io_zh_CN.jar.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\VideoLAN\VLC\VideoLAN Website.url.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BLENDS\PREVIEW.GIF Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00439_.WMF Fast.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Horizon.xml.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\jfluid-server.jar.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\Java\jre7\lib\zi\America\Ojinaga.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\Java\jre7\lib\zi\SystemV\CST6CDT.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0341554.JPG Fast.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\es-ES\PhotoViewer.dll.mui Fast.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\sentinel Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN04326_.WMF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Slipstream.xml.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD21390_.GIF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\it\Microsoft.Build.Engine.resources.dll Fast.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\META-INF\MANIFEST.MF Fast.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\EDGE\PREVIEW.GIF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382968.JPG.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\settings.html Fast.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-profiler_ja.jar Fast.exe File created C:\Program Files\Java\jre7\lib\zi\Etc\GMT+6.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR5F.GIF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaBrightItalic.ttf.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-settings_ja.jar.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0205466.WMF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\1033\ACT3R.SAM Fast.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.nl_ja_4.4.0.v20140623020002.jar Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099198.GIF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR2B.GIF Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\PUBBA\MSPUB11.BDR.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\PresentationBuildTasks.resources.dll Fast.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0305257.WMF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.COM.TW.XML Fast.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\en-US\js\library.js Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\PROOF\MSSP7EN.DLL.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\es\System.RunTime.Serialization.Resources.dll Fast.exe File created C:\Program Files\Microsoft Games\Mahjong\fr-FR\Mahjong.exe.mui.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Browser\nppdf32.dll Fast.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD21340_.GIF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR18F.GIF Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\Sounds\People\COUGH.WAV.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\ENVELOPE.XML Fast.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\gadget.xml Fast.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Windows.Presentation.resources.dll Fast.exe File created C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\MS.EPS.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0148757.JPG.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00466_.WMF.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME49.CSS.id[F7DAF2DD-2803].[[email protected]].eight Fast.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 2844 vssadmin.exe 2760 vssadmin.exe -
Processes:
mshta.exemshta.exemshta.exemshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Fast.exepid process 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe 3016 Fast.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Fast.exevssvc.exeWMIC.exewbengine.exeWMIC.exedescription pid process Token: SeDebugPrivilege 3016 Fast.exe Token: SeBackupPrivilege 1880 vssvc.exe Token: SeRestorePrivilege 1880 vssvc.exe Token: SeAuditPrivilege 1880 vssvc.exe Token: SeIncreaseQuotaPrivilege 2444 WMIC.exe Token: SeSecurityPrivilege 2444 WMIC.exe Token: SeTakeOwnershipPrivilege 2444 WMIC.exe Token: SeLoadDriverPrivilege 2444 WMIC.exe Token: SeSystemProfilePrivilege 2444 WMIC.exe Token: SeSystemtimePrivilege 2444 WMIC.exe Token: SeProfSingleProcessPrivilege 2444 WMIC.exe Token: SeIncBasePriorityPrivilege 2444 WMIC.exe Token: SeCreatePagefilePrivilege 2444 WMIC.exe Token: SeBackupPrivilege 2444 WMIC.exe Token: SeRestorePrivilege 2444 WMIC.exe Token: SeShutdownPrivilege 2444 WMIC.exe Token: SeDebugPrivilege 2444 WMIC.exe Token: SeSystemEnvironmentPrivilege 2444 WMIC.exe Token: SeRemoteShutdownPrivilege 2444 WMIC.exe Token: SeUndockPrivilege 2444 WMIC.exe Token: SeManageVolumePrivilege 2444 WMIC.exe Token: 33 2444 WMIC.exe Token: 34 2444 WMIC.exe Token: 35 2444 WMIC.exe Token: SeIncreaseQuotaPrivilege 2444 WMIC.exe Token: SeSecurityPrivilege 2444 WMIC.exe Token: SeTakeOwnershipPrivilege 2444 WMIC.exe Token: SeLoadDriverPrivilege 2444 WMIC.exe Token: SeSystemProfilePrivilege 2444 WMIC.exe Token: SeSystemtimePrivilege 2444 WMIC.exe Token: SeProfSingleProcessPrivilege 2444 WMIC.exe Token: SeIncBasePriorityPrivilege 2444 WMIC.exe Token: SeCreatePagefilePrivilege 2444 WMIC.exe Token: SeBackupPrivilege 2444 WMIC.exe Token: SeRestorePrivilege 2444 WMIC.exe Token: SeShutdownPrivilege 2444 WMIC.exe Token: SeDebugPrivilege 2444 WMIC.exe Token: SeSystemEnvironmentPrivilege 2444 WMIC.exe Token: SeRemoteShutdownPrivilege 2444 WMIC.exe Token: SeUndockPrivilege 2444 WMIC.exe Token: SeManageVolumePrivilege 2444 WMIC.exe Token: 33 2444 WMIC.exe Token: 34 2444 WMIC.exe Token: 35 2444 WMIC.exe Token: SeBackupPrivilege 600 wbengine.exe Token: SeRestorePrivilege 600 wbengine.exe Token: SeSecurityPrivilege 600 wbengine.exe Token: SeIncreaseQuotaPrivilege 2820 WMIC.exe Token: SeSecurityPrivilege 2820 WMIC.exe Token: SeTakeOwnershipPrivilege 2820 WMIC.exe Token: SeLoadDriverPrivilege 2820 WMIC.exe Token: SeSystemProfilePrivilege 2820 WMIC.exe Token: SeSystemtimePrivilege 2820 WMIC.exe Token: SeProfSingleProcessPrivilege 2820 WMIC.exe Token: SeIncBasePriorityPrivilege 2820 WMIC.exe Token: SeCreatePagefilePrivilege 2820 WMIC.exe Token: SeBackupPrivilege 2820 WMIC.exe Token: SeRestorePrivilege 2820 WMIC.exe Token: SeShutdownPrivilege 2820 WMIC.exe Token: SeDebugPrivilege 2820 WMIC.exe Token: SeSystemEnvironmentPrivilege 2820 WMIC.exe Token: SeRemoteShutdownPrivilege 2820 WMIC.exe Token: SeUndockPrivilege 2820 WMIC.exe Token: SeManageVolumePrivilege 2820 WMIC.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
Fast.execmd.execmd.execmd.exedescription pid process target process PID 3016 wrote to memory of 2792 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2792 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2792 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2792 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2724 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2724 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2724 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2724 3016 Fast.exe cmd.exe PID 2792 wrote to memory of 2736 2792 cmd.exe netsh.exe PID 2792 wrote to memory of 2736 2792 cmd.exe netsh.exe PID 2792 wrote to memory of 2736 2792 cmd.exe netsh.exe PID 2724 wrote to memory of 2844 2724 cmd.exe vssadmin.exe PID 2724 wrote to memory of 2844 2724 cmd.exe vssadmin.exe PID 2724 wrote to memory of 2844 2724 cmd.exe vssadmin.exe PID 2792 wrote to memory of 2092 2792 cmd.exe netsh.exe PID 2792 wrote to memory of 2092 2792 cmd.exe netsh.exe PID 2792 wrote to memory of 2092 2792 cmd.exe netsh.exe PID 2724 wrote to memory of 2444 2724 cmd.exe WMIC.exe PID 2724 wrote to memory of 2444 2724 cmd.exe WMIC.exe PID 2724 wrote to memory of 2444 2724 cmd.exe WMIC.exe PID 2724 wrote to memory of 1008 2724 cmd.exe bcdedit.exe PID 2724 wrote to memory of 1008 2724 cmd.exe bcdedit.exe PID 2724 wrote to memory of 1008 2724 cmd.exe bcdedit.exe PID 2724 wrote to memory of 852 2724 cmd.exe bcdedit.exe PID 2724 wrote to memory of 852 2724 cmd.exe bcdedit.exe PID 2724 wrote to memory of 852 2724 cmd.exe bcdedit.exe PID 2724 wrote to memory of 1764 2724 cmd.exe wbadmin.exe PID 2724 wrote to memory of 1764 2724 cmd.exe wbadmin.exe PID 2724 wrote to memory of 1764 2724 cmd.exe wbadmin.exe PID 3016 wrote to memory of 1368 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 1368 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 1368 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 1368 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 2008 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 2008 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 2008 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 2008 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 204 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 204 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 204 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 204 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 216 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 216 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 216 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 216 3016 Fast.exe mshta.exe PID 3016 wrote to memory of 2188 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2188 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2188 3016 Fast.exe cmd.exe PID 3016 wrote to memory of 2188 3016 Fast.exe cmd.exe PID 2188 wrote to memory of 2760 2188 cmd.exe vssadmin.exe PID 2188 wrote to memory of 2760 2188 cmd.exe vssadmin.exe PID 2188 wrote to memory of 2760 2188 cmd.exe vssadmin.exe PID 2188 wrote to memory of 2820 2188 cmd.exe WMIC.exe PID 2188 wrote to memory of 2820 2188 cmd.exe WMIC.exe PID 2188 wrote to memory of 2820 2188 cmd.exe WMIC.exe PID 2188 wrote to memory of 644 2188 cmd.exe bcdedit.exe PID 2188 wrote to memory of 644 2188 cmd.exe bcdedit.exe PID 2188 wrote to memory of 644 2188 cmd.exe bcdedit.exe PID 2188 wrote to memory of 872 2188 cmd.exe bcdedit.exe PID 2188 wrote to memory of 872 2188 cmd.exe bcdedit.exe PID 2188 wrote to memory of 872 2188 cmd.exe bcdedit.exe PID 2188 wrote to memory of 1272 2188 cmd.exe wbadmin.exe PID 2188 wrote to memory of 1272 2188 cmd.exe wbadmin.exe PID 2188 wrote to memory of 1272 2188 cmd.exe wbadmin.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Fast.exe"C:\Users\Admin\AppData\Local\Temp\Fast.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Fast.exe"C:\Users\Admin\AppData\Local\Temp\Fast.exe"2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPsWW.cab.id[F7DAF2DD-2803].[[email protected]].eightFilesize
143.1MB
MD5bff6a4f028aaeedbb5b5304a985045fe
SHA1a8f0a8166ab124a821ecf117d4f55a08abb42eaf
SHA256dbb238dfd98f122147749428354044a181b99564db737cb91d546de3a57ab85b
SHA512890c3fecf2efd89088cc4d4520a4ccb32370ff67ca587cfb8e16f8d476421c21d2cbd7602938cef1863e92825f945ac60f7cd9b9835ea49a7cc40f2a26f505d5
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C:\info.htaFilesize
5KB
MD50ae3b351aef1ddb9357863ae3f880533
SHA13e55143e35cea08c0642da9418db4da23c34039c
SHA25696c1f1ffbf1d0cafbd5ffbc0b42e7ce6a4b32769b81c5ad6433e19a663880861
SHA51238048e77d37c3759272e781a7c41be9881e61861a9b6878f230099a1f3b8915c096d8d277c6051d459265050a90333d74986551f3f9e7af1ac461eb3cb4673a8