Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19-03-2024 21:18
Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20240226-en
General
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Target
a.exe
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Size
56KB
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MD5
62885d0f106569fac3985f72f0ca10cb
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SHA1
cb37b10b209ab38477d2e17f21cae12a1cb2adf0
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SHA256
58626a9bfb48cd30acd0d95debcaefd188ae794e1e0072c5bde8adae9bccafa6
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SHA512
1fdd982323e314b97dc4b6878f92e965aeefee9f89203c4ca944e8e540d5a990dcb5cbfb5455794e1ef3ad3e7d990e20b12af70f3310b1ff92c8402c43275c2a
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SSDEEP
1536:sNeRBl5PT/rx1mzwRMSTdLpJNr+eiukbsSw:sQRrmzwR5JViums
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 2388 bcdedit.exe 1520 bcdedit.exe 2492 bcdedit.exe 2056 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 2684 wbadmin.exe 2696 wbadmin.exe -
Modifies Windows Firewall 2 TTPs 2 IoCs
Processes:
netsh.exenetsh.exepid process 2580 netsh.exe 2252 netsh.exe -
Drops startup file 3 IoCs
Processes:
a.exedescription ioc process File created \??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\a.exe a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini a.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id[02E6D95B-3398].[[email protected]].Elbie a.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:
a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\a = "C:\\Users\\Admin\\AppData\\Local\\a.exe" a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a = "C:\\Users\\Admin\\AppData\\Local\\a.exe" a.exe -
Drops desktop.ini file(s) 64 IoCs
Processes:
a.exedescription ioc process File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini a.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini a.exe File opened for modification C:\Users\Admin\Searches\desktop.ini a.exe File opened for modification C:\Users\Public\Videos\desktop.ini a.exe File opened for modification C:\Program Files (x86)\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini a.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini a.exe File opened for modification C:\Users\Public\desktop.ini a.exe File opened for modification C:\Users\Public\Libraries\desktop.ini a.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini a.exe File opened for modification C:\Users\Admin\Links\desktop.ini a.exe File opened for modification C:\Users\Public\Documents\desktop.ini a.exe File opened for modification C:\Program Files\desktop.ini a.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini a.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\3J2LRC5A\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini a.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini a.exe File opened for modification C:\Users\Admin\Documents\desktop.ini a.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LGZQH3SP\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini a.exe File opened for modification C:\Users\Admin\Videos\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\108YEMNS\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini a.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\F9UL0C6O\desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Ringtones\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CYTS71XD\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini a.exe File opened for modification C:\Users\Public\Pictures\desktop.ini a.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini a.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini a.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini a.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini a.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini a.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini a.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\J3XTYXPF\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini a.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini a.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini a.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini a.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini a.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\PY5FLSJ8\desktop.ini a.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini a.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini a.exe -
Drops file in Program Files directory 64 IoCs
Processes:
a.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.dll a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00694_.WMF a.exe File opened for modification C:\Program Files\Java\jre7\bin\java_crw_demo.dll a.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\css\e4-dark_mac.css a.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00435_.WMF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGATNGET.XML a.exe File created C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_pl.jar.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO01063_.WMF a.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01295_.GIF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Swirl\TAB_OFF.GIF a.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_divider_left.png a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PSSKETSM.WMF a.exe File opened for modification C:\Program Files\Windows Sidebar\es-ES\Sidebar.exe.mui a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectToolsetIconImages.jpg a.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\timer_up.png a.exe File opened for modification C:\Program Files\Windows Journal\ja-JP\jnwdui.dll.mui a.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\CAGCAT10.DLL.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14656_.GIF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR43F.GIF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsHomePage.html.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files\VideoLAN\VLC\locale\ckb\LC_MESSAGES\vlc.mo.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\RTF_BOLD.GIF a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\DefaultBlackAndWhite.dotx a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\CERT98.POC a.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\release a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107480.WMF a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0145879.JPG a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\rtf_increaseindent.gif a.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_ja.properties.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.controlpanel.ui.ja_5.5.0.165303.jar.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files\VideoLAN\VLC\lua\http\dialogs\batch_window.html.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BLUEPRNT\BLUEPRNT.INF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VGX\VGX.dll a.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\AppInfoDocument\AddIns.store a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Perspective.xml a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL058.XML a.exe File opened for modification C:\Program Files\Common Files\System\msadc\msdaremr.dll a.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt a.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Month_Calendar.emf a.exe File created C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_is.dll.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA00394_.WMF a.exe File created C:\Program Files\7-Zip\Lang\an.txt.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeLinguistic.dll a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00145_.WMF a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD15301_.GIF a.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\Microsoft.Build.Utilities.v3.5.resources.dll a.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE02265_.WMF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Wordcnvr.dll a.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIcon.png a.exe File created C:\Program Files\Java\jre7\lib\zi\Australia\Darwin.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Pacific\Nauru a.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_sw.dll a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21434_.GIF a.exe File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\SettingsInternal.zip.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-coredump_zh_CN.jar.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\EAST_01.MID.id[02E6D95B-3398].[[email protected]].Elbie a.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD01084_.WMF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Resource.zip a.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\js\settings.js a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\SoftBlue\tab_off.gif a.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\icudt36.dll a.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0197983.WMF.id[02E6D95B-3398].[[email protected]].Elbie a.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02446_.WMF a.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14871_.GIF.id[02E6D95B-3398].[[email protected]].Elbie a.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 2588 vssadmin.exe 1768 vssadmin.exe -
Processes:
mshta.exemshta.exemshta.exemshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
a.exepid process 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe 2972 a.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
a.exevssvc.exeWMIC.exewbengine.exeWMIC.exedescription pid process Token: SeDebugPrivilege 2972 a.exe Token: SeBackupPrivilege 2460 vssvc.exe Token: SeRestorePrivilege 2460 vssvc.exe Token: SeAuditPrivilege 2460 vssvc.exe Token: SeIncreaseQuotaPrivilege 2328 WMIC.exe Token: SeSecurityPrivilege 2328 WMIC.exe Token: SeTakeOwnershipPrivilege 2328 WMIC.exe Token: SeLoadDriverPrivilege 2328 WMIC.exe Token: SeSystemProfilePrivilege 2328 WMIC.exe Token: SeSystemtimePrivilege 2328 WMIC.exe Token: SeProfSingleProcessPrivilege 2328 WMIC.exe Token: SeIncBasePriorityPrivilege 2328 WMIC.exe Token: SeCreatePagefilePrivilege 2328 WMIC.exe Token: SeBackupPrivilege 2328 WMIC.exe Token: SeRestorePrivilege 2328 WMIC.exe Token: SeShutdownPrivilege 2328 WMIC.exe Token: SeDebugPrivilege 2328 WMIC.exe Token: SeSystemEnvironmentPrivilege 2328 WMIC.exe Token: SeRemoteShutdownPrivilege 2328 WMIC.exe Token: SeUndockPrivilege 2328 WMIC.exe Token: SeManageVolumePrivilege 2328 WMIC.exe Token: 33 2328 WMIC.exe Token: 34 2328 WMIC.exe Token: 35 2328 WMIC.exe Token: SeIncreaseQuotaPrivilege 2328 WMIC.exe Token: SeSecurityPrivilege 2328 WMIC.exe Token: SeTakeOwnershipPrivilege 2328 WMIC.exe Token: SeLoadDriverPrivilege 2328 WMIC.exe Token: SeSystemProfilePrivilege 2328 WMIC.exe Token: SeSystemtimePrivilege 2328 WMIC.exe Token: SeProfSingleProcessPrivilege 2328 WMIC.exe Token: SeIncBasePriorityPrivilege 2328 WMIC.exe Token: SeCreatePagefilePrivilege 2328 WMIC.exe Token: SeBackupPrivilege 2328 WMIC.exe Token: SeRestorePrivilege 2328 WMIC.exe Token: SeShutdownPrivilege 2328 WMIC.exe Token: SeDebugPrivilege 2328 WMIC.exe Token: SeSystemEnvironmentPrivilege 2328 WMIC.exe Token: SeRemoteShutdownPrivilege 2328 WMIC.exe Token: SeUndockPrivilege 2328 WMIC.exe Token: SeManageVolumePrivilege 2328 WMIC.exe Token: 33 2328 WMIC.exe Token: 34 2328 WMIC.exe Token: 35 2328 WMIC.exe Token: SeBackupPrivilege 788 wbengine.exe Token: SeRestorePrivilege 788 wbengine.exe Token: SeSecurityPrivilege 788 wbengine.exe Token: SeIncreaseQuotaPrivilege 2224 WMIC.exe Token: SeSecurityPrivilege 2224 WMIC.exe Token: SeTakeOwnershipPrivilege 2224 WMIC.exe Token: SeLoadDriverPrivilege 2224 WMIC.exe Token: SeSystemProfilePrivilege 2224 WMIC.exe Token: SeSystemtimePrivilege 2224 WMIC.exe Token: SeProfSingleProcessPrivilege 2224 WMIC.exe Token: SeIncBasePriorityPrivilege 2224 WMIC.exe Token: SeCreatePagefilePrivilege 2224 WMIC.exe Token: SeBackupPrivilege 2224 WMIC.exe Token: SeRestorePrivilege 2224 WMIC.exe Token: SeShutdownPrivilege 2224 WMIC.exe Token: SeDebugPrivilege 2224 WMIC.exe Token: SeSystemEnvironmentPrivilege 2224 WMIC.exe Token: SeRemoteShutdownPrivilege 2224 WMIC.exe Token: SeUndockPrivilege 2224 WMIC.exe Token: SeManageVolumePrivilege 2224 WMIC.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
a.execmd.execmd.execmd.exedescription pid process target process PID 2972 wrote to memory of 2136 2972 a.exe cmd.exe PID 2972 wrote to memory of 2136 2972 a.exe cmd.exe PID 2972 wrote to memory of 2136 2972 a.exe cmd.exe PID 2972 wrote to memory of 2136 2972 a.exe cmd.exe PID 2972 wrote to memory of 1908 2972 a.exe cmd.exe PID 2972 wrote to memory of 1908 2972 a.exe cmd.exe PID 2972 wrote to memory of 1908 2972 a.exe cmd.exe PID 2972 wrote to memory of 1908 2972 a.exe cmd.exe PID 1908 wrote to memory of 2588 1908 cmd.exe vssadmin.exe PID 1908 wrote to memory of 2588 1908 cmd.exe vssadmin.exe PID 1908 wrote to memory of 2588 1908 cmd.exe vssadmin.exe PID 2136 wrote to memory of 2580 2136 cmd.exe netsh.exe PID 2136 wrote to memory of 2580 2136 cmd.exe netsh.exe PID 2136 wrote to memory of 2580 2136 cmd.exe netsh.exe PID 2136 wrote to memory of 2252 2136 cmd.exe netsh.exe PID 2136 wrote to memory of 2252 2136 cmd.exe netsh.exe PID 2136 wrote to memory of 2252 2136 cmd.exe netsh.exe PID 1908 wrote to memory of 2328 1908 cmd.exe WMIC.exe PID 1908 wrote to memory of 2328 1908 cmd.exe WMIC.exe PID 1908 wrote to memory of 2328 1908 cmd.exe WMIC.exe PID 1908 wrote to memory of 2388 1908 cmd.exe bcdedit.exe PID 1908 wrote to memory of 2388 1908 cmd.exe bcdedit.exe PID 1908 wrote to memory of 2388 1908 cmd.exe bcdedit.exe PID 1908 wrote to memory of 1520 1908 cmd.exe bcdedit.exe PID 1908 wrote to memory of 1520 1908 cmd.exe bcdedit.exe PID 1908 wrote to memory of 1520 1908 cmd.exe bcdedit.exe PID 1908 wrote to memory of 2684 1908 cmd.exe wbadmin.exe PID 1908 wrote to memory of 2684 1908 cmd.exe wbadmin.exe PID 1908 wrote to memory of 2684 1908 cmd.exe wbadmin.exe PID 2972 wrote to memory of 2328 2972 a.exe mshta.exe PID 2972 wrote to memory of 2328 2972 a.exe mshta.exe PID 2972 wrote to memory of 2328 2972 a.exe mshta.exe PID 2972 wrote to memory of 2328 2972 a.exe mshta.exe PID 2972 wrote to memory of 1060 2972 a.exe mshta.exe PID 2972 wrote to memory of 1060 2972 a.exe mshta.exe PID 2972 wrote to memory of 1060 2972 a.exe mshta.exe PID 2972 wrote to memory of 1060 2972 a.exe mshta.exe PID 2972 wrote to memory of 1716 2972 a.exe mshta.exe PID 2972 wrote to memory of 1716 2972 a.exe mshta.exe PID 2972 wrote to memory of 1716 2972 a.exe mshta.exe PID 2972 wrote to memory of 1716 2972 a.exe mshta.exe PID 2972 wrote to memory of 1072 2972 a.exe mshta.exe PID 2972 wrote to memory of 1072 2972 a.exe mshta.exe PID 2972 wrote to memory of 1072 2972 a.exe mshta.exe PID 2972 wrote to memory of 1072 2972 a.exe mshta.exe PID 2972 wrote to memory of 1556 2972 a.exe cmd.exe PID 2972 wrote to memory of 1556 2972 a.exe cmd.exe PID 2972 wrote to memory of 1556 2972 a.exe cmd.exe PID 2972 wrote to memory of 1556 2972 a.exe cmd.exe PID 1556 wrote to memory of 1768 1556 cmd.exe vssadmin.exe PID 1556 wrote to memory of 1768 1556 cmd.exe vssadmin.exe PID 1556 wrote to memory of 1768 1556 cmd.exe vssadmin.exe PID 1556 wrote to memory of 2224 1556 cmd.exe WMIC.exe PID 1556 wrote to memory of 2224 1556 cmd.exe WMIC.exe PID 1556 wrote to memory of 2224 1556 cmd.exe WMIC.exe PID 1556 wrote to memory of 2492 1556 cmd.exe bcdedit.exe PID 1556 wrote to memory of 2492 1556 cmd.exe bcdedit.exe PID 1556 wrote to memory of 2492 1556 cmd.exe bcdedit.exe PID 1556 wrote to memory of 2056 1556 cmd.exe bcdedit.exe PID 1556 wrote to memory of 2056 1556 cmd.exe bcdedit.exe PID 1556 wrote to memory of 2056 1556 cmd.exe bcdedit.exe PID 1556 wrote to memory of 2696 1556 cmd.exe wbadmin.exe PID 1556 wrote to memory of 2696 1556 cmd.exe wbadmin.exe PID 1556 wrote to memory of 2696 1556 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\a.exe"C:\Users\Admin\AppData\Local\Temp\a.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\a.exe"C:\Users\Admin\AppData\Local\Temp\a.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\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"2⤵
- Modifies Internet Explorer settings
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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\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\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\Office64WW.msi.id[02E6D95B-3398].[[email protected]].ElbieFilesize
2.8MB
MD561e64acca1cd01853fe6be727d95bf41
SHA1d234e20dc5942db22636f1f2878f29ee4a99d230
SHA256016bcb1dd6e4956d2de4cbf83f4cc35b52b30107bf370860c183dcb27babad83
SHA5120f5f55820940178c4f8ae8127e84ecf2debb30a08b0a3c64fa8454d7ff6b8bdbab3fe4b228d63f0ab66dc331659096646030f08e822735d6ead588668ef21ea7
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C:\info.htaFilesize
5KB
MD529eeb575aa0afe0ae1396951fa4c0d23
SHA1c195f101b2d7433f8d19c25c8f517145699ce000
SHA25677554467ebadf749588b47bd3dbcce946c648e48145bab773a6ea34b0fe8650a
SHA51251b4b82020b0a351d5c3638dff550505a08d1c15701575aa3336878779dc9721d25f5823a6c0387cc24a4f0da10acb8c67d65ba8e9de6100bbaf72b7df1a8d86