Analysis Overview
SHA256
eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115
Threat Level: Known bad
The file eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115 was found to be: Known bad.
Malicious Activity Summary
Avoslocker Ransomware
Modifies boot configuration data using bcdedit
Renames multiple (8461) files with added filename extension
Deletes shadow copies
Renames multiple (10387) files with added filename extension
Enumerates connected drives
Drops desktop.ini file(s)
Sets desktop wallpaper using registry
Drops file in Program Files directory
Command and Scripting Interpreter: PowerShell
Unsigned PE
Interacts with shadow copies
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Uses Volume Shadow Copy service COM API
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 07:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 07:39
Reported
2024-05-31 07:41
Platform
win7-20240221-en
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Avoslocker Ransomware
Deletes shadow copies
Modifies boot configuration data using bcdedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
Renames multiple (10387) files with added filename extension
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2114547645.png" | C:\Windows\system32\reg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\RMNSQUE\PREVIEW.GIF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\plugins\plugins.dat | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository_1.2.100.v20131209-2144.jar | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BL00252_.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BS2BARB.POC | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14790_.GIF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\ms\LC_MESSAGES\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_divider_right.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02268_.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\ARCTIC\ARCTIC.ELM | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\row_over.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Windows NT\TableTextService\TableTextServiceYi.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Games\SpiderSolitaire\de-DE\SpiderSolitaire.exe.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\TipBand.dll.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\WEBLINK.POC | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\TABON.JPG | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Americana.css | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Solstice.xml | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\it-IT\currency.html | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Tegucigalpa | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_matte2.wmv | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_divider_left.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0183172.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\TextConv\fr-FR\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Bucharest | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\STORYBB.POC | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-first-quarter.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Perspective.dotx | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME12.CSS | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0341534.JPG | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\win\CP1250.TXT | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\css\settings.css | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsIncomingImage.jpg | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD10253_.GIF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0151061.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0198377.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.core\cache\binary\com.jrockit.mc.rcp.product_root_5.5.0.165303 | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Templates\1033\Access\WSS\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0233992.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\fr-FR\js\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Mozilla Firefox\uninstall\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.extensionlocation.nl_ja_4.4.0.v20140623020002.jar | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\SUBMIT.JS | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\SUBMIT.JS | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00183_.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\RMNSQUE\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeAUM_rootCert.cer | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\it-IT\css\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Templates\1033\EquityLetter.Dotx | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FALL_01.MID | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\Etc\GMT+7 | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\NAVBARV.POC | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD15035_.GIF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH00443_.WMF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\36.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\it-IT\js\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vienna | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Media Player\en-US\wmlaunch.exe.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Media Player\it-IT\wmpnssci.dll.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe
"C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe"
C:\Windows\system32\cmd.exe
cmd /c wmic shadowcopy delete /nointeractive
C:\Windows\system32\cmd.exe
cmd /c vssadmin.exe Delete Shadows /All /Quiet
C:\Windows\system32\cmd.exe
cmd /c bcdedit /set {default} recoveryenabled No
C:\Windows\system32\cmd.exe
cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\system32\cmd.exe
cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete /nointeractive
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled No
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -Command "$a = [System.IO.File]::ReadAllText(\"C:\GET_YOUR_FILES_BACK.txt\");Add-Type -AssemblyName System.Drawing;$filename = \"$env:temp\$(Get-Random).png\";$bmp = new-object System.Drawing.Bitmap 1920,1080;$font = new-object System.Drawing.Font Consolas,10;$brushBg = [System.Drawing.Brushes]::Black;$brushFg = [System.Drawing.Brushes]::White;$format = [System.Drawing.StringFormat]::GenericDefault;$format.Alignment = [System.Drawing.StringAlignment]::Center;$format.LineAlignment = [System.Drawing.StringAlignment]::Center;$graphics = [System.Drawing.Graphics]::FromImage($bmp);$graphics.FillRectangle($brushBg,0,0,$bmp.Width,$bmp.Height);$graphics.DrawString($a,$font,$brushFg,[System.Drawing.RectangleF]::FromLTRB(0, 0, 1920, 1080),$format);$graphics.Dispose();$bmp.Save($filename);reg add \"HKEY_CURRENT_USER\Control Panel\Desktop\" /v Wallpaper /t REG_SZ /d $filename /f;Start-Sleep 1;rundll32.exe user32.dll, UpdatePerUserSystemParameters, 0, $false;"
C:\Windows\system32\reg.exe
"C:\Windows\system32\reg.exe" add "HKEY_CURRENT_USER\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\2114547645.png /f
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
Network
Files
memory/1712-0-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-3-0x00000000001D0000-0x0000000000213000-memory.dmp
memory/1712-6-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-8-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/1712-1-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-7-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-4-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-5-0x0000000000401000-0x000000000049D000-memory.dmp
memory/1712-2-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-9-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-10-0x0000000000400000-0x00000000004E5000-memory.dmp
C:\GET_YOUR_FILES_BACK.txt
| MD5 | 36d08e3dadf813cefd755ba410908b16 |
| SHA1 | 3ec7b14da6eaaf24f99be6c68301a6a7d05e6e5a |
| SHA256 | 4b38c6732593914ff892b2ed9fd337d4fa3cac8df096bae3fc532e606b3d1752 |
| SHA512 | 8828d2f7cd763dfafff76f28ed990498a241ae6abace6fa7ce96060672216143d6c5a92eef8eacdf1060ae239c275571640328452b2e516ed90d8c14b245c52e |
memory/3656-667-0x000000001B7F0000-0x000000001BAD2000-memory.dmp
memory/3656-762-0x0000000001FC0000-0x0000000001FC8000-memory.dmp
memory/1712-12828-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-18936-0x0000000000401000-0x000000000049D000-memory.dmp
memory/1712-18933-0x00000000001D0000-0x0000000000213000-memory.dmp
memory/1712-18914-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1712-24506-0x00000000001D0000-0x0000000000213000-memory.dmp
memory/1712-24507-0x0000000000401000-0x000000000049D000-memory.dmp
memory/1712-24505-0x0000000000400000-0x00000000004E5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 4c6a17abe24e6c9b1011e7791b05b7f9 |
| SHA1 | 43f816186a00833788399e2085dc25243966b2f2 |
| SHA256 | 01c56b2b5d1c6ef2f9f8c1760ef6e57b71e162d166b93c957d0244857e45fb6d |
| SHA512 | 276f6f5e8b60f313ac35e12bf0443bd86219d28f1d05332b3d1243430216e25909bbaad9d6db05fbf285614474aff2033f049b4545ce1c0180696fee485439d3 |
\??\PIPE\srvsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2384-24515-0x0000000001EF0000-0x0000000001EF8000-memory.dmp
memory/2384-24514-0x000000001B8A0000-0x000000001BB82000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 07:39
Reported
2024-05-31 07:41
Platform
win10v2004-20240508-en
Max time kernel
134s
Max time network
141s
Command Line
Signatures
Avoslocker Ransomware
Deletes shadow copies
Modifies boot configuration data using bcdedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
Renames multiple (8461) files with added filename extension
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1513918393.png" | C:\Windows\system32\reg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\sk-sk\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\en-il\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\EmptyView.scale-400.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Windows Media Player\fr-FR\setup_wm.exe.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\Snooze.scale-64.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\lua\http\css\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\en-GB\tipresx.dll.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\tr-tr\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\images\themes\dark\rhp_world_icon.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\nl-nl\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\EmptySearch-Dark.scale-125.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\models\mail.config | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\EmptySearch-Dark.scale-100.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\bn_IN\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\de-de\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\ru-ru\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\arrow-up.gif | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\export.svg | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-phn.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcDemoR_BypassTrial365-ppd.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\ro-ro\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\he-il\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\am\LC_MESSAGES\vlc.mo | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\MEDIA\SUCTION.WAV | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\sv-se\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\ca-es\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Windows Defender\it-IT\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\STUDIO\THMBNAIL.PNG | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\en-ae\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\plugins\rhp\createpdfupsell-app-tool-view.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\FileAttachmentPlaceholder.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\1033\offsymt.ttf | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ppd.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ppd.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Internet Explorer\ie9props.propdesc | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_ellipses_selected-hover.svg | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\id\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\ICE\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN001.XML | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\de-DE\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\Doughboy.scale-125.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\readme.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\es-es\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\LinkedInboxMediumTile.scale-200.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RMNSQUE\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Locales\fil.pak | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\nb-no\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\zh-cn\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\zh-cn\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeBadge.scale-125.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\images\themes\dark\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\turnOnNotificationInAcrobat.gif | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-GoogleCloudCacheMini.scale-125.png | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\Fonts\private\GARA.TTF | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\ja\LC_MESSAGES\vlc.mo | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ppd.xrm-ms | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| File created | C:\Program Files (x86)\WindowsPowerShell\Configuration\Registration\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe
"C:\Users\Admin\AppData\Local\Temp\eba3a5a7171c68752065faeff30716844b53d14bba821bf33002189b64eda115.exe"
C:\Windows\SYSTEM32\cmd.exe
cmd /c wmic shadowcopy delete /nointeractive
C:\Windows\SYSTEM32\cmd.exe
cmd /c vssadmin.exe Delete Shadows /All /Quiet
C:\Windows\SYSTEM32\cmd.exe
cmd /c bcdedit /set {default} recoveryenabled No
C:\Windows\SYSTEM32\cmd.exe
cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\SYSTEM32\cmd.exe
cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete /nointeractive
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled No
C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -Command "$a = [System.IO.File]::ReadAllText(\"C:\GET_YOUR_FILES_BACK.txt\");Add-Type -AssemblyName System.Drawing;$filename = \"$env:temp\$(Get-Random).png\";$bmp = new-object System.Drawing.Bitmap 1920,1080;$font = new-object System.Drawing.Font Consolas,10;$brushBg = [System.Drawing.Brushes]::Black;$brushFg = [System.Drawing.Brushes]::White;$format = [System.Drawing.StringFormat]::GenericDefault;$format.Alignment = [System.Drawing.StringAlignment]::Center;$format.LineAlignment = [System.Drawing.StringAlignment]::Center;$graphics = [System.Drawing.Graphics]::FromImage($bmp);$graphics.FillRectangle($brushBg,0,0,$bmp.Width,$bmp.Height);$graphics.DrawString($a,$font,$brushFg,[System.Drawing.RectangleF]::FromLTRB(0, 0, 1920, 1080),$format);$graphics.Dispose();$bmp.Save($filename);reg add \"HKEY_CURRENT_USER\Control Panel\Desktop\" /v Wallpaper /t REG_SZ /d $filename /f;Start-Sleep 1;rundll32.exe user32.dll, UpdatePerUserSystemParameters, 0, $false;"
C:\Windows\system32\reg.exe
"C:\Windows\system32\reg.exe" add "HKEY_CURRENT_USER\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\1513918393.png /f
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.131.50.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| BE | 88.221.83.249:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2012-0-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/2012-1-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/2012-3-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/2012-7-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/2012-6-0x0000000000401000-0x000000000049D000-memory.dmp
memory/2012-4-0x0000000000610000-0x0000000000611000-memory.dmp
memory/2012-8-0x0000000000400000-0x00000000004E5000-memory.dmp
C:\GET_YOUR_FILES_BACK.txt
| MD5 | 36d08e3dadf813cefd755ba410908b16 |
| SHA1 | 3ec7b14da6eaaf24f99be6c68301a6a7d05e6e5a |
| SHA256 | 4b38c6732593914ff892b2ed9fd337d4fa3cac8df096bae3fc532e606b3d1752 |
| SHA512 | 8828d2f7cd763dfafff76f28ed990498a241ae6abace6fa7ce96060672216143d6c5a92eef8eacdf1060ae239c275571640328452b2e516ed90d8c14b245c52e |
memory/2012-2-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/2012-5-0x0000000000640000-0x0000000000683000-memory.dmp
memory/27372-16908-0x0000021427FB0000-0x0000021427FD2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fogknyz4.zwi.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2012-22633-0x0000000000401000-0x000000000049D000-memory.dmp
memory/2012-22631-0x0000000000400000-0x00000000004E5000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 6cf293cb4d80be23433eecf74ddb5503 |
| SHA1 | 24fe4752df102c2ef492954d6b046cb5512ad408 |
| SHA256 | b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8 |
| SHA512 | 0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00 |
memory/2012-22632-0x0000000000640000-0x0000000000683000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d8b9a260789a22d72263ef3bb119108c |
| SHA1 | 376a9bd48726f422679f2cd65003442c0b6f6dd5 |
| SHA256 | d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc |
| SHA512 | 550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b |