avoslocker | 368041501211167866ce2f39dfd64e596707763d2c9e448565e28d92c649aa71

Analysis

max time kernel
96s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 14:40

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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
3504	bcdedit.exe
976	bcdedit.exe

Renames multiple (8520) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	testing.exe

Executes dropped EXE 1 IoCs

pid	Process
4196	P1kAlMiG2Kb7.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\574207132.png"	reg.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-24_altform-lightunplated.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
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	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\VBA\VBA6\VBE6EXT.OLB	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Workflow.Targets	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Trust Protection Lists\Mu\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\rsod\word.x-none.msi.16.x-none.boot.tree.dat	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Common Files\microsoft shared\TextConv\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\en-gb\ui-strings.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\plugin.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\EmptyShare.scale-125.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarWideTile.scale-100.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\Resources\1033\msmdsrvi.rll	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\cs-cz\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\root\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\root\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-180.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\lib\jfxswt.jar	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\images\themes\dark\s_opencarat_18.svg	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\selector.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailWideTile.scale-125.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\tool-search.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\IDTemplates\ENU\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\themes\dark\adc_logo.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\it-it\ui-strings.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\rsod\office.x-none.msi.16.x-none.boot.tree.dat	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\VBA\VBA7.1\1033\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ppd.xrm-ms	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\task-handler\js\nls\fr-fr\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\nl-nl\ui-strings.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarMediumTile.scale-150.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-phn.xrm-ms	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\deploy\messages_de.properties	P1kAlMiG2Kb7.exe
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	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\pt-br\ui-strings.js	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\OutlookMailBadge.scale-200.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\EXPEDITN\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeMediumTile.scale-125.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxAccountsSmallTile.scale-100.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ks_IN\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarAppList.targetsize-36_altform-lightunplated.png	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\REFINED\REFINED.ELM	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\comments.win32.tpn	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\CourierStd-Oblique.otf	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\js\nls\de-de\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_opencarat_18.svg	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Snippets\ShouldBeGreaterThan.snippets.ps1xml	P1kAlMiG2Kb7.exe
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	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarSplashLogo.scale-200.png	P1kAlMiG2Kb7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\pt-BR\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL065.XML	P1kAlMiG2Kb7.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml	P1kAlMiG2Kb7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\js\nls\fr-fr\GET_YOUR_FILES_BACK.txt	P1kAlMiG2Kb7.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4028	powershell.exe
32992	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
5036	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4196	P1kAlMiG2Kb7.exe
4196	P1kAlMiG2Kb7.exe
4028	powershell.exe
4028	powershell.exe
4028	powershell.exe
32992	powershell.exe
32992	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4196	P1kAlMiG2Kb7.exe
Token: SeIncreaseQuotaPrivilege	4496	WMIC.exe
Token: SeSecurityPrivilege	4496	WMIC.exe
Token: SeTakeOwnershipPrivilege	4496	WMIC.exe
Token: SeLoadDriverPrivilege	4496	WMIC.exe
Token: SeSystemProfilePrivilege	4496	WMIC.exe
Token: SeSystemtimePrivilege	4496	WMIC.exe
Token: SeProfSingleProcessPrivilege	4496	WMIC.exe
Token: SeIncBasePriorityPrivilege	4496	WMIC.exe
Token: SeCreatePagefilePrivilege	4496	WMIC.exe
Token: SeBackupPrivilege	4496	WMIC.exe
Token: SeRestorePrivilege	4496	WMIC.exe
Token: SeShutdownPrivilege	4496	WMIC.exe
Token: SeDebugPrivilege	4496	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4496	WMIC.exe
Token: SeRemoteShutdownPrivilege	4496	WMIC.exe
Token: SeUndockPrivilege	4496	WMIC.exe
Token: SeManageVolumePrivilege	4496	WMIC.exe
Token: 33	4496	WMIC.exe
Token: 34	4496	WMIC.exe
Token: 35	4496	WMIC.exe
Token: 36	4496	WMIC.exe
Token: SeBackupPrivilege	3260	vssvc.exe
Token: SeRestorePrivilege	3260	vssvc.exe
Token: SeAuditPrivilege	3260	vssvc.exe
Token: SeIncreaseQuotaPrivilege	4496	WMIC.exe
Token: SeSecurityPrivilege	4496	WMIC.exe
Token: SeTakeOwnershipPrivilege	4496	WMIC.exe
Token: SeLoadDriverPrivilege	4496	WMIC.exe
Token: SeSystemProfilePrivilege	4496	WMIC.exe
Token: SeSystemtimePrivilege	4496	WMIC.exe
Token: SeProfSingleProcessPrivilege	4496	WMIC.exe
Token: SeIncBasePriorityPrivilege	4496	WMIC.exe
Token: SeCreatePagefilePrivilege	4496	WMIC.exe
Token: SeBackupPrivilege	4496	WMIC.exe
Token: SeRestorePrivilege	4496	WMIC.exe
Token: SeShutdownPrivilege	4496	WMIC.exe
Token: SeDebugPrivilege	4496	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4496	WMIC.exe
Token: SeRemoteShutdownPrivilege	4496	WMIC.exe
Token: SeUndockPrivilege	4496	WMIC.exe
Token: SeManageVolumePrivilege	4496	WMIC.exe
Token: 33	4496	WMIC.exe
Token: 34	4496	WMIC.exe
Token: 35	4496	WMIC.exe
Token: 36	4496	WMIC.exe
Token: SeDebugPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeSecurityPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeSecurityPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe
Token: SeSecurityPrivilege	4028	powershell.exe
Token: SeBackupPrivilege	4028	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 4196	2808	testing.exe	84
PID 2808 wrote to memory of 4196	2808	testing.exe	84
PID 2808 wrote to memory of 4196	2808	testing.exe	84
PID 4196 wrote to memory of 2544	4196	P1kAlMiG2Kb7.exe	86
PID 4196 wrote to memory of 2544	4196	P1kAlMiG2Kb7.exe	86
PID 4196 wrote to memory of 2160	4196	P1kAlMiG2Kb7.exe	87
PID 4196 wrote to memory of 2160	4196	P1kAlMiG2Kb7.exe	87
PID 4196 wrote to memory of 3932	4196	P1kAlMiG2Kb7.exe	88
PID 4196 wrote to memory of 3932	4196	P1kAlMiG2Kb7.exe	88
PID 4196 wrote to memory of 2740	4196	P1kAlMiG2Kb7.exe	89
PID 4196 wrote to memory of 2740	4196	P1kAlMiG2Kb7.exe	89
PID 4196 wrote to memory of 2252	4196	P1kAlMiG2Kb7.exe	90
PID 4196 wrote to memory of 2252	4196	P1kAlMiG2Kb7.exe	90
PID 2544 wrote to memory of 4496	2544	cmd.exe	91
PID 2544 wrote to memory of 4496	2544	cmd.exe	91
PID 2252 wrote to memory of 4028	2252	cmd.exe	94
PID 2252 wrote to memory of 4028	2252	cmd.exe	94
PID 2740 wrote to memory of 3504	2740	cmd.exe	93
PID 2740 wrote to memory of 3504	2740	cmd.exe	93
PID 3932 wrote to memory of 976	3932	cmd.exe	95
PID 3932 wrote to memory of 976	3932	cmd.exe	95
PID 2160 wrote to memory of 5036	2160	cmd.exe	92
PID 2160 wrote to memory of 5036	2160	cmd.exe	92
PID 4196 wrote to memory of 32992	4196	P1kAlMiG2Kb7.exe	100
PID 4196 wrote to memory of 32992	4196	P1kAlMiG2Kb7.exe	100
PID 32992 wrote to memory of 33140	32992	powershell.exe	101
PID 32992 wrote to memory of 33140	32992	powershell.exe	101
PID 32992 wrote to memory of 33240	32992	powershell.exe	103
PID 32992 wrote to memory of 33240	32992	powershell.exe	103

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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2808
- 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:4196
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c wmic shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete /nointeractive
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:4496
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2160
  - - C:\Windows\system32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      Interacts with shadow copies
      PID:5036
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c bcdedit /set {default} recoveryenabled No
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled No
      4⤵
      Modifies boot configuration data using bcdedit
      PID:976
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:3504
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2252
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4028
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "$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:32992
  - - 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\574207132.png /f
      4⤵
      Sets desktop wallpaper using registry
      PID:33140
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
      4⤵
      PID:33240

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3260

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
eb6332ae9e8fec69c2236355e2638f9d

SHA1
71500d57fb304979afd6756f06d4b9a59f995eb7

SHA256
88e5ffe18fd4a772efce68f1b0db839846cafc42d36415508ad5356a44d38f32

SHA512
e87c864ba79bd7a10a62b55ad564cf3acb090e7d85707a6967497deeef5fcde1f0b4608ea8791bf81363ec583a0101d470d8f3cd2172ced8d4071d7f6c674aed

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

Filesize
807KB

MD5
e27b5291c8fb2dfdeb7f16bb6851df5e

SHA1
40207f83b601cd60905c1f807ac0889c80dfe33f

SHA256
ffd933ad53f22a0f10cceb4986087258f72dffdd36999b7014c6b37c157ee45f

SHA512
2ddbc50cd780ffbf73c354b9b437322eb49cb05bb6f287d54e7dcafb61dc4c4549e37ae2f972f3d240bfa7d2ca485b7583137f1bf038bc901f378cea0c305c6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ws2xfif3.kmd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
\Device\HarddiskVolume1\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
c92c2b70fb37f84aab38412ad9226aa8

SHA1
14f2e9a83285612d0a7b2c83b8f89bccfde6c154

SHA256
d64639e873c0873b469cd856d1ef4bce7dc14a80fac6fe2bed9d629f05acc77f

SHA512
04f9dcb3cd49909712535255b6eadd7fafcb2902bf1abd5a25e9bb5f5c4dc032611aec0a5b0ec89cd7dbc65276b935c54b906b391507d2e3e3aa65466b15f848

Download Submit
memory/2808-7-0x00007FF6537C0000-0x00007FF6538DE000-memory.dmp

Filesize
1.1MB

Download
memory/4028-16785-0x000001849DE70000-0x000001849DE92000-memory.dmp

Filesize
136KB

Download