Malware Analysis Report

2025-04-13 21:19

Sample ID 250323-1dfvcawxbx
Target FreeVbucks.exe
SHA256 40a4b00e9904e973795b36d57e35da10f2543dfc55a54ac25a88da5c53e55a84
Tags
chaos defense_evasion evasion execution impact ransomware spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

40a4b00e9904e973795b36d57e35da10f2543dfc55a54ac25a88da5c53e55a84

Threat Level: Known bad

The file FreeVbucks.exe was found to be: Known bad.

Malicious Activity Summary

chaos defense_evasion evasion execution impact ransomware spyware stealer

Chaos family

Chaos

Chaos Ransomware

Deletes shadow copies

Modifies boot configuration data using bcdedit

Deletes backup catalog

Executes dropped EXE

Reads user/profile data of web browsers

Drops startup file

Drops desktop.ini file(s)

Sets desktop wallpaper using registry

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: AddClipboardFormatListener

Uses Volume Shadow Copy service COM API

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Interacts with shadow copies

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Uses Task Scheduler COM API

Modifies data under HKEY_USERS

Modifies registry class

Opens file in notepad (likely ransom note)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-23 21:31

Signatures

Chaos Ransomware

Description Indicator Process Target
N/A N/A N/A N/A

Chaos family

chaos

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-23 21:31

Reported

2025-03-23 21:33

Platform

win11-20250313-en

Max time kernel

90s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Chaos family

chaos

Deletes shadow copies

ransomware defense_evasion impact execution

Modifies boot configuration data using bcdedit

ransomware evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\bcdedit.exe N/A
N/A N/A C:\Windows\system32\bcdedit.exe N/A

Deletes backup catalog

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\wbadmin.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Reads user/profile data of web browsers

spyware stealer

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Users\Admin\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Videos\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Music\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Videos\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Saved Games\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Favorites\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1136229799-3442283115-138161576-1000\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Links\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Music\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\OneDrive\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Searches\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Contacts\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Downloads\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\l3uq6mdfp.jpg" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 C:\Windows\System32\vds.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Windows\System32\vds.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 C:\Windows\System32\vds.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName C:\Windows\System32\vds.exe N/A

Interacts with shadow copies

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\vssadmin.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "98" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\WMIC.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbengine.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbengine.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbengine.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\LogonUI.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 628 wrote to memory of 3096 N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 628 wrote to memory of 3096 N/A C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3096 wrote to memory of 4236 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3096 wrote to memory of 4236 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 4236 wrote to memory of 2372 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 4236 wrote to memory of 2372 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 4236 wrote to memory of 2332 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 4236 wrote to memory of 2332 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 3096 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3096 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2464 wrote to memory of 3872 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2464 wrote to memory of 3872 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2464 wrote to memory of 2084 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2464 wrote to memory of 2084 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 3096 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3096 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 1184 wrote to memory of 1620 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 1184 wrote to memory of 1620 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 3096 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 3096 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE

Uses Task Scheduler COM API

persistence

Uses Volume Shadow Copy service COM API

ransomware

Processes

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

"C:\Users\Admin\AppData\Local\Temp\FreeVbucks.exe"

C:\Users\Admin\AppData\Roaming\svchost.exe

"C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete

C:\Windows\system32\vssadmin.exe

vssadmin delete shadows /all /quiet

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\System32\Wbem\WMIC.exe

wmic shadowcopy delete

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no

C:\Windows\system32\bcdedit.exe

bcdedit /set {default} bootstatuspolicy ignoreallfailures

C:\Windows\system32\bcdedit.exe

bcdedit /set {default} recoveryenabled no

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet

C:\Windows\system32\wbadmin.exe

wbadmin delete catalog -quiet

C:\Windows\system32\wbengine.exe

"C:\Windows\system32\wbengine.exe"

C:\Windows\System32\vdsldr.exe

C:\Windows\System32\vdsldr.exe -Embedding

C:\Windows\System32\vds.exe

C:\Windows\System32\vds.exe

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa3a33855 /state1:0x41c64e6d

Network

Country Destination Domain Proto
GB 88.221.135.51:443 tcp
US 52.168.117.175:443 browser.pipe.aria.microsoft.com tcp

Files

memory/628-0-0x00007FFABF393000-0x00007FFABF395000-memory.dmp

memory/628-1-0x00000000009B0000-0x0000000000C76000-memory.dmp

memory/628-2-0x00007FFABF393000-0x00007FFABF395000-memory.dmp

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 a988089a040efd226b8c801f1d527d17
SHA1 2cf4a52f0d2313dd7a7619bbc61681aecdcb2610
SHA256 40a4b00e9904e973795b36d57e35da10f2543dfc55a54ac25a88da5c53e55a84
SHA512 e591aafc86c3c370be73347441bd576c995538f8d19fcadc3e25f9c36193d3be08fbb5a65134d84168b203c87f5d533a96442f481f8c14741f36d4ed9a8277e4

memory/3096-15-0x00007FFABF390000-0x00007FFABFE52000-memory.dmp

C:\Users\Admin\Documents\read_it.txt

MD5 4217b8b83ce3c3f70029a056546f8fd0
SHA1 487cdb5733d073a0427418888e8f7070fe782a03
SHA256 7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA512 2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

memory/3096-481-0x00007FFABF390000-0x00007FFABFE52000-memory.dmp

memory/3096-483-0x00007FFABF390000-0x00007FFABFE52000-memory.dmp