Analysis Overview
SHA256
368041501211167866ce2f39dfd64e596707763d2c9e448565e28d92c649aa71
Threat Level: Known bad
The file testing.exe was found to be: Known bad.
Malicious Activity Summary
Avoslocker Ransomware
Avoslocker family
Renames multiple (8476) files with added filename extension
Modifies boot configuration data using bcdedit
Renames multiple (10383) files with added filename extension
Deletes shadow copies
Checks computer location settings
Executes dropped EXE
Drops desktop.ini file(s)
Enumerates connected drives
Sets desktop wallpaper using registry
Drops file in Program Files directory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: GetForegroundWindowSpam
Uses Volume Shadow Copy service COM API
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-25 13:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-25 13:50
Reported
2024-12-25 13:53
Platform
win10v2004-20241007-en
Max time kernel
134s
Max time network
139s
Command Line
Signatures
Avoslocker Ransomware
Avoslocker family
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 (8476) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\testing.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
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\P1kAlMiG2Kb7.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1247608375.png" | C:\Windows\system32\reg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\uk-ua\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\uk-ua\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\print_poster.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\es-es\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\lua\meta\art\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-pl.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\root\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\pl-pl\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailSmallTile.scale-200.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\ca\LC_MESSAGES\vlc.mo | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\ja-JP\MSFT_PackageManagement.schema.mfl | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_nothumbnail_34.svg | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_uinline_warning.svg | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-pl.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ro.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\CourierStd.otf | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\es-es\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\en-il\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\kk\LC_MESSAGES\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Trust Protection Lists\Mu\LICENSE.DATA | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Advanced-Dark.scale-200.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarSplashLogo.scale-400.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\sdxs\sdxs.xml | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-phn.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ppd.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\lib\javaws.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\lib\deploy\messages_ko.properties | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\legal\javafx\glib.md | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\da-dk\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\images\themes\dark\cstm_brand_preview.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\fr-ma\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\ja-jp\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\images\themes\dark\rhp_world_icon.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\es-es\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\cs-cz\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\km\LC_MESSAGES\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\VisualElements\SmallLogo.png.DATA | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Locales\is.pak.DATA | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Notifications\SoftLandingAssetDark.gif | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\Ole DB\de-DE\msdaorar.dll.mui | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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\sv-se\ui-strings.js | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\images\example_icons2x.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT.HXS | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-pl.xrm-ms | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\ado\msado28.tlb | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\uk-ua\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\images\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\lua\http\images\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\MSBuild\Microsoft\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_sortedby_up_18.svg | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Google.scale-125.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\REFINED\REFINED.ELM | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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 behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\vlc.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\testing.exe
"C:\Users\Admin\AppData\Local\Temp\testing.exe"
C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe
"C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled No
C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete /nointeractive
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -Command "$a = [System.IO.File]::ReadAllText(\"F:\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\1247608375.png /f
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.141.182.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe
| MD5 | e27b5291c8fb2dfdeb7f16bb6851df5e |
| SHA1 | 40207f83b601cd60905c1f807ac0889c80dfe33f |
| SHA256 | ffd933ad53f22a0f10cceb4986087258f72dffdd36999b7014c6b37c157ee45f |
| SHA512 | 2ddbc50cd780ffbf73c354b9b437322eb49cb05bb6f287d54e7dcafb61dc4c4549e37ae2f972f3d240bfa7d2ca485b7583137f1bf038bc901f378cea0c305c6a |
memory/2500-7-0x00007FF6BDB20000-0x00007FF6BDC3E000-memory.dmp
F:\$RECYCLE.BIN\GET_YOUR_FILES_BACK.txt
| MD5 | c92c2b70fb37f84aab38412ad9226aa8 |
| SHA1 | 14f2e9a83285612d0a7b2c83b8f89bccfde6c154 |
| SHA256 | d64639e873c0873b469cd856d1ef4bce7dc14a80fac6fe2bed9d629f05acc77f |
| SHA512 | 04f9dcb3cd49909712535255b6eadd7fafcb2902bf1abd5a25e9bb5f5c4dc032611aec0a5b0ec89cd7dbc65276b935c54b906b391507d2e3e3aa65466b15f848 |
memory/3024-15770-0x000001C663CD0000-0x000001C663CF2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i345a1b1.k12.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | f41e608cfdcf9e9d1056a52104b47e46 |
| SHA1 | 448c9257d0af3200a0ee9fc991f8ac1888e0cf38 |
| SHA256 | 69dc1f8322d399c577189c50aecf322c56783b94372c4b431b9b2ef4c7c2ea91 |
| SHA512 | 0ab455929c1c20e0e2dcb1dc71b70335681a56ba694d3cf8aa250fce7e30be29292b44d3cbafd84e75edcdfd1bf202fe0b3fd7f8e2572f8249ef0b1deb52e3c5 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 6cf293cb4d80be23433eecf74ddb5503 |
| SHA1 | 24fe4752df102c2ef492954d6b046cb5512ad408 |
| SHA256 | b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8 |
| SHA512 | 0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00 |
memory/24632-22688-0x00007FFDDF080000-0x00007FFDDF0B4000-memory.dmp
memory/24632-22687-0x00007FF6B1BA0000-0x00007FF6B1C98000-memory.dmp
memory/24632-22689-0x00007FFDCFBB0000-0x00007FFDCFE66000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-25 13:50
Reported
2024-12-25 13:53
Platform
win7-20240903-en
Max time kernel
122s
Max time network
122s
Command Line
Signatures
Avoslocker Ransomware
Avoslocker family
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 (10383) files with added filename extension
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
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\P1kAlMiG2Kb7.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1054300142.png" | C:\Windows\system32\reg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\Web Folders\1033\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\1033\STINTL.DLL.IDX_DLL | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\America\Detroit | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR49F.GIF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18229_.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099156.JPG | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107480.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\America\Argentina\San_Juan | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.equinox.nl_zh_4.4.0.v20140623020002.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18255_.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Publisher.en-us\SETUP.XML | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\turnOnNotificationInTray.gif | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\rss_headline_glow_docked.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Cocos | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107712.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Media Player\ja-JP\wmpnssci.dll.mui | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-selector-ui.xml | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\Common Files\Microsoft Shared\ink\sv-SE\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN01060_.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01167_.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\Ole DB\it-IT\sqloledb.rll.mui | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-core.xml | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\lv\LC_MESSAGES\vlc.mo | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\ext\sunmscapi.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.ui_4.0.100.v20140401-0608.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FORM.JS | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\review_email.gif | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\js\timeZones.js | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\Windows NT\TableTextService\es-ES\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\my\LC_MESSAGES\vlc.mo | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee90.tlb | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\ONENOTE_K_COL.HXK | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA00784_.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SKY\THMBNAIL.PNG | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-heapwalker_ja.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\fi\LC_MESSAGES\vlc.mo | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\COPYRIGHT | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_blue_sun.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Templates\1033\ApothecaryMergeLetter.dotx | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\SIDBAR98.POC | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0183174.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\de-DE\css\settings.css | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.bmp | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File created | C:\Program Files\Internet Explorer\ja-JP\GET_YOUR_FILES_BACK.txt | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\system_dot.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0187863.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE03470_.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_gray_few-showers.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\buttonDown_Off.png | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\it-IT\css\RSSFeeds.css | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0240719.WMF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jetty.io_8.1.14.v20131031.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN086.XML | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\button_left_over.gif | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\ACCESS12.ACC | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH01332U.BMP | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SPRING\SPRING.INF | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\update-settings.ini | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.w3c.dom.svg_1.1.0.v201011041433.jar | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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\P1kAlMiG2Kb7.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\testing.exe
"C:\Users\Admin\AppData\Local\Temp\testing.exe"
C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe
"C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.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} bootstatuspolicy ignoreallfailures
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled No
C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
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(\"Z:\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\1054300142.png /f
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
Network
Files
C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe
| MD5 | e27b5291c8fb2dfdeb7f16bb6851df5e |
| SHA1 | 40207f83b601cd60905c1f807ac0889c80dfe33f |
| SHA256 | ffd933ad53f22a0f10cceb4986087258f72dffdd36999b7014c6b37c157ee45f |
| SHA512 | 2ddbc50cd780ffbf73c354b9b437322eb49cb05bb6f287d54e7dcafb61dc4c4549e37ae2f972f3d240bfa7d2ca485b7583137f1bf038bc901f378cea0c305c6a |
memory/1672-4-0x000000013FCE0000-0x000000013FDFE000-memory.dmp
\Device\HarddiskVolume1\Boot\GET_YOUR_FILES_BACK.txt
| MD5 | c92c2b70fb37f84aab38412ad9226aa8 |
| SHA1 | 14f2e9a83285612d0a7b2c83b8f89bccfde6c154 |
| SHA256 | d64639e873c0873b469cd856d1ef4bce7dc14a80fac6fe2bed9d629f05acc77f |
| SHA512 | 04f9dcb3cd49909712535255b6eadd7fafcb2902bf1abd5a25e9bb5f5c4dc032611aec0a5b0ec89cd7dbc65276b935c54b906b391507d2e3e3aa65466b15f848 |
memory/4052-707-0x000000001B6C0000-0x000000001B9A2000-memory.dmp
memory/4052-774-0x0000000001E10000-0x0000000001E18000-memory.dmp
memory/2608-24512-0x0000000075740000-0x0000000075787000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 1514afa0c385087fc6e3476a6cfcee70 |
| SHA1 | 35c3deaf84988c1b65b2518304fd021b10043080 |
| SHA256 | 4e347f2fedbde718d57d6b32c3e9132fe6b7006977fe952952a6cdcc06a472a2 |
| SHA512 | f2881e74f63794075003016bbae966c12c8ccaa6bdc59ec68a09b14bc0033ab84e1aec439678df79f3fde7311f23fd1b7f2da1bd008f251ae35a0edcde8369da |
memory/1052-24518-0x000000001B710000-0x000000001B9F2000-memory.dmp
memory/1052-24519-0x0000000002340000-0x0000000002348000-memory.dmp