avoslocker | bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705

General

Target

Roseland.exe
Size

807KB
MD5

19944159dfa94a1b75effd85e6b906dc
SHA1

250acf87366f4c0cf91679a0e93dfc79954f0f10
SHA256

bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705
SHA512

c791840f59c2fc906c197c43e0e1717b9504cf46177a3688ecbd4937cdbf95349d68cc1e63649b85f02df4e6990c4df4756dd8267b062ea5271dd61fc3e508b0
SSDEEP

12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBDsYA7:u4s+oT+NXBLi0rjFXvyHBlbnCZa8

Score

10^/10

avoslocker evasion ransomware

Malware Config

Signatures

Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
ransomware avoslocker
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exebcdedit.exe

pid process

2480 bcdedit.exe
2508 bcdedit.exe

pid	process
2480	bcdedit.exe
2508	bcdedit.exe

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Roseland.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\CloseExport.raw => C:\Users\Admin\Pictures\CloseExport.raw.avos2	Roseland.exe
File renamed	C:\Users\Admin\Pictures\GrantWatch.crw => C:\Users\Admin\Pictures\GrantWatch.crw.avos2	Roseland.exe
File renamed	C:\Users\Admin\Pictures\PingLock.crw => C:\Users\Admin\Pictures\PingLock.crw.avos2	Roseland.exe
File renamed	C:\Users\Admin\Pictures\SwitchLimit.png => C:\Users\Admin\Pictures\SwitchLimit.png.avos2	Roseland.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

Roseland.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI Roseland.exe
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

Roseland.exe

description ioc process

File opened (read-only) \??\Z: Roseland.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI	Roseland.exe

description	ioc	process
File opened (read-only)	\??\Z:	Roseland.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1156130425.png"	reg.exe

Drops file in Program Files directory 64 IoCs

Processes:

Roseland.exe

description	ioc	process
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\sl\LC_MESSAGES\vlc.mo	Roseland.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\js\highDpiImageSwap.js	Roseland.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\next_rest.png	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Clarity.xml	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD01176_.WMF	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105504.WMF	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO01566_.WMF	Roseland.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annotations\Stamps\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-options-api.jar	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099159.WMF	Roseland.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\PROFILE\PREVIEW.GIF	Roseland.exe
File opened for modification	C:\Program Files\Windows Media Player\en-US\wmpnscfg.exe.mui	Roseland.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Winnipeg	Roseland.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_corner_bottom_left.png	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00090_.WMF	Roseland.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\it-IT\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui	Roseland.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\es-ES\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN04108_.WMF	Roseland.exe
File created	C:\Program Files (x86)\Common Files\System\ado\fr-FR\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\Mac\CORPCHAR.TXT	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\prodicon.gif	Roseland.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\settings.html	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\SIGNHM.POC	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18227_.WMF	Roseland.exe
File created	C:\Program Files\VideoLAN\VLC\locale\km\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-ui_zh_CN.jar	Roseland.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\button-bullet.png	Roseland.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_gray_thunderstorm.png	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0178460.JPG	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0182888.WMF	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02790_.WMF	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.console_1.0.300.v20131113-1212.jar	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.application_5.5.0.165303.jar	Roseland.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\GrayCheck\GET_YOUR_FILES_BACK.txt	Roseland.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\vlc.mo	Roseland.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ky\LC_MESSAGES\GET_YOUR_FILES_BACK.txt	Roseland.exe
File created	C:\Program Files\VideoLAN\VLC\locale\be\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-swing-plaf.xml	Roseland.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-ui_ja.jar	Roseland.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml	Roseland.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationUp_SelectionSubpicture.png	Roseland.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\de-DE\GET_YOUR_FILES_BACK.txt	Roseland.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\FAX\MedianFax.Dotx	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Teal.css	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_center.gif	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099188.JPG	Roseland.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\msadc\en-US\msadcfr.dll.mui	Roseland.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\TipBand.dll.mui	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGLINACC.DPV	Roseland.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Proofing.en-us\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Help\HxRuntime.HxS	Roseland.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\CourierStd-BoldOblique.otf	Roseland.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\lg\LC_MESSAGES\vlc.mo	Roseland.exe
File opened for modification	C:\Program Files\Java\jre7\lib\deploy\messages_zh_TW.properties	Roseland.exe
File opened for modification	C:\Program Files\Common Files\Services\verisign.bmp	Roseland.exe
File created	C:\Program Files (x86)\Microsoft Office\Templates\1033\Access\WSS\GET_YOUR_FILES_BACK.txt	Roseland.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\Bibliography\GET_YOUR_FILES_BACK.txt	Roseland.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\GET_YOUR_FILES_BACK.txt	Roseland.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGWEBCAL.XML	Roseland.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\nb.pak	Roseland.exe

Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

2360 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Roseland.exepowershell.exepowershell.exe

pid process

2028 Roseland.exe
2336 powershell.exe
2916 powershell.exe

pid	process
2360	vssadmin.exe

pid	process
2028	Roseland.exe
2336	powershell.exe
2916	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

Roseland.exeWMIC.exepowershell.exevssvc.exe

description	pid	process
Token: SeTakeOwnershipPrivilege	2028	Roseland.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: SeDebugPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2656	vssvc.exe
Token: SeRestorePrivilege	2656	vssvc.exe
Token: SeAuditPrivilege	2656	vssvc.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe
Token: SeBackupPrivilege	2336	powershell.exe
Token: SeSecurityPrivilege	2336	powershell.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

Roseland.execmd.execmd.execmd.execmd.execmd.exepowershell.exe

description	pid	process	target process
PID 2028 wrote to memory of 2000	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2000	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2000	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2000	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2004	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2004	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2004	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 2004	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1984	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1984	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1984	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1984	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1248	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1248	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1248	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1248	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1968	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1968	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1968	2028	Roseland.exe	cmd.exe
PID 2028 wrote to memory of 1968	2028	Roseland.exe	cmd.exe
PID 1968 wrote to memory of 2336	1968	cmd.exe	powershell.exe
PID 1968 wrote to memory of 2336	1968	cmd.exe	powershell.exe
PID 1968 wrote to memory of 2336	1968	cmd.exe	powershell.exe
PID 2004 wrote to memory of 2360	2004	cmd.exe	vssadmin.exe
PID 2004 wrote to memory of 2360	2004	cmd.exe	vssadmin.exe
PID 2004 wrote to memory of 2360	2004	cmd.exe	vssadmin.exe
PID 2000 wrote to memory of 2328	2000	cmd.exe	WMIC.exe
PID 2000 wrote to memory of 2328	2000	cmd.exe	WMIC.exe
PID 2000 wrote to memory of 2328	2000	cmd.exe	WMIC.exe
PID 1984 wrote to memory of 2480	1984	cmd.exe	bcdedit.exe
PID 1984 wrote to memory of 2480	1984	cmd.exe	bcdedit.exe
PID 1984 wrote to memory of 2480	1984	cmd.exe	bcdedit.exe
PID 1248 wrote to memory of 2508	1248	cmd.exe	bcdedit.exe
PID 1248 wrote to memory of 2508	1248	cmd.exe	bcdedit.exe
PID 1248 wrote to memory of 2508	1248	cmd.exe	bcdedit.exe
PID 2028 wrote to memory of 2916	2028	Roseland.exe	powershell.exe
PID 2028 wrote to memory of 2916	2028	Roseland.exe	powershell.exe
PID 2028 wrote to memory of 2916	2028	Roseland.exe	powershell.exe
PID 2028 wrote to memory of 2916	2028	Roseland.exe	powershell.exe
PID 2916 wrote to memory of 2584	2916	powershell.exe	reg.exe
PID 2916 wrote to memory of 2584	2916	powershell.exe	reg.exe
PID 2916 wrote to memory of 2584	2916	powershell.exe	reg.exe
PID 2916 wrote to memory of 2908	2916	powershell.exe	rundll32.exe
PID 2916 wrote to memory of 2908	2916	powershell.exe	rundll32.exe
PID 2916 wrote to memory of 2908	2916	powershell.exe	rundll32.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\Roseland.exe
"C:\Users\Admin\AppData\Local\Temp\Roseland.exe"
1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\system32\cmd.exe
  cmd /c wmic shadowcopy delete /nointeractive
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2328
- C:\Windows\system32\cmd.exe
  cmd /c vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:2360
- C:\Windows\system32\cmd.exe
  cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2508
- C:\Windows\system32\cmd.exe
  cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2336
- C:\Windows\system32\cmd.exe
  cmd /c bcdedit /set {default} recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2480
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$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;"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2916
- - 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\1156130425.png /f
    3⤵
    - Sets desktop wallpaper using registry
    PID:2584
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
    3⤵
    PID:2908

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Inhibit System Recovery

3

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

C:\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
6d81ed40ba0a283e5483bfe6a448e9d7

SHA1
0c847a5f9df743b13e1aa11b4c24a4309e9a7119

SHA256
b4464f61655ca584170694bedd52c6cff2b74c18a761b33cfb1387f017d2d57d

SHA512
8956415f155f24852ac672aa06cc6a8819a2a0e44a9b940f8f3390c34ebb43ff10f4635722f104a5a9a94098d3f286362f507dc49d3f048e540f48c073eaf379

Download Submit
C:\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
6d81ed40ba0a283e5483bfe6a448e9d7

SHA1
0c847a5f9df743b13e1aa11b4c24a4309e9a7119

SHA256
b4464f61655ca584170694bedd52c6cff2b74c18a761b33cfb1387f017d2d57d

SHA512
8956415f155f24852ac672aa06cc6a8819a2a0e44a9b940f8f3390c34ebb43ff10f4635722f104a5a9a94098d3f286362f507dc49d3f048e540f48c073eaf379

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
18187291505151954c8d44759d3c7e98

SHA1
5ba813ddb605f73db53d1d034eb1f19c1bb65bc9

SHA256
d22644b191f366a566318024c0713b15c1bd79e14fc572d24a976cee1932c701

SHA512
6f4f0bb2ec640f0731a60395eca862c4630b18ed2ae239c67ac8c3b584942f14d2a6227051603e92027794d94af6edf9640fd2e7128d9fc8d28f3c694f906de3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VVAFBZ3Q43KWRVE3U07F.temp

Filesize
7KB

MD5
18187291505151954c8d44759d3c7e98

SHA1
5ba813ddb605f73db53d1d034eb1f19c1bb65bc9

SHA256
d22644b191f366a566318024c0713b15c1bd79e14fc572d24a976cee1932c701

SHA512
6f4f0bb2ec640f0731a60395eca862c4630b18ed2ae239c67ac8c3b584942f14d2a6227051603e92027794d94af6edf9640fd2e7128d9fc8d28f3c694f906de3

Download Submit
memory/2336-604-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/2336-703-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download
memory/2336-696-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download
memory/2336-603-0x000000001B0F0000-0x000000001B3D2000-memory.dmp

Filesize
2.9MB

Download
memory/2336-590-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download
memory/2916-24518-0x000000001B100000-0x000000001B3E2000-memory.dmp

Filesize
2.9MB

Download
memory/2916-24519-0x00000000023F0000-0x00000000023F8000-memory.dmp

Filesize
32KB

Download
memory/2916-24520-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/2916-24521-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/2916-24522-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/2916-24524-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads