Malware Analysis Report

2025-06-16 06:23

Sample ID 230921-ramn2sad58
Target b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
SHA256 b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
Tags
chaos evasion persistence 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee

Threat Level: Known bad

The file b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee was found to be: Known bad.

Malicious Activity Summary

chaos evasion persistence ransomware spyware stealer

Chaos Ransomware

Chaos family

Chaos

Modifies boot configuration data using bcdedit

Deletes shadow copies

Deletes backup catalog

Disables Task Manager via registry modification

Executes dropped EXE

Checks computer location settings

Drops startup file

Reads user/profile data of web browsers

Adds Run key to start application

Drops desktop.ini file(s)

Sets desktop wallpaper using registry

Unsigned PE

Enumerates physical storage devices

Checks SCSI registry key(s)

Uses Task Scheduler COM API

Uses Volume Shadow Copy service COM API

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: AddClipboardFormatListener

Interacts with shadow copies

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-21 13:59

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

2023-09-21 13:59

Reported

2023-09-21 14:09

Platform

win7-20230831-en

Max time kernel

361s

Max time network

364s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Deletes shadow copies

ransomware

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

Disables Task Manager via registry modification

evasion

Drops startup file

Description Indicator Process Target
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-THIS.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\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\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\Start Menu\Programs\Accessories\Accessibility\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Libraries\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\Admin\Links\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JREOH5UP\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\XOUCI7X0\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
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\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T1GYCSOV\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
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\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\All Users\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\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\System Tools\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Recorded TV\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\AppData\Local\Microsoft\Feeds Cache\S14V3QJ7\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\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\Admin\Favorites\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\Pictures\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\Public\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\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\Public\Pictures\Sample Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification F:\$RECYCLE.BIN\S-1-5-21-607259312-1573743425-2763420908-1000\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\FZ6PR11S\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\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\Music\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\Public\Downloads\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\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\Contacts\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HFUNQS4P\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\OCC48JZO\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\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

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sfyjnld4b.jpg" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Interacts with shadow copies

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

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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: 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: 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 WriteProcessMemory

Description Indicator Process Target
PID 2172 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2172 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2172 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2412 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2412 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2412 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2668 wrote to memory of 2820 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2668 wrote to memory of 2820 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2668 wrote to memory of 2820 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2668 wrote to memory of 2532 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2668 wrote to memory of 2532 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2668 wrote to memory of 2532 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2412 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2412 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2412 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 1072 wrote to memory of 2040 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1072 wrote to memory of 2040 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1072 wrote to memory of 2040 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1072 wrote to memory of 2428 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1072 wrote to memory of 2428 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1072 wrote to memory of 2428 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2412 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2412 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2412 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 1756 wrote to memory of 2356 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 1756 wrote to memory of 2356 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 1756 wrote to memory of 2356 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 2412 wrote to memory of 236 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 2412 wrote to memory of 236 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 2412 wrote to memory of 236 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\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe

"C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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-THIS.txt

Network

N/A

Files

memory/2172-0-0x0000000000EA0000-0x0000000000F28000-memory.dmp

memory/2172-1-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp

memory/2172-2-0x000000001AFD0000-0x000000001B050000-memory.dmp

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

MD5 5526856582dad856c83aa26b7c060729
SHA1 a067c86e442f7c5dddb1617b7999f416ee28346f
SHA256 b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
SHA512 4fe75e50f5e9feb8070e5de83b20ab2355597ece4343f035fed600b6ca4fd7aadb8067c7e4d2683c5bf1610a7fd24ed8d21356171996e8c2003ec21fae0b21b4

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

MD5 5526856582dad856c83aa26b7c060729
SHA1 a067c86e442f7c5dddb1617b7999f416ee28346f
SHA256 b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
SHA512 4fe75e50f5e9feb8070e5de83b20ab2355597ece4343f035fed600b6ca4fd7aadb8067c7e4d2683c5bf1610a7fd24ed8d21356171996e8c2003ec21fae0b21b4

memory/2412-8-0x00000000013D0000-0x0000000001458000-memory.dmp

memory/2412-9-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp

memory/2412-10-0x0000000000C50000-0x0000000000CD0000-memory.dmp

C:\ProgramData\Adobe\Updater6\READ-THIS.txt

MD5 da0c595fea489ba8d78fa6a6eb1068db
SHA1 7e3caa05af6c71716279b4d8be58eadba683949a
SHA256 bcba1b82b40287f24986f26956110cbb8ff0ed6c367ff5629a93248d0921edfa
SHA512 54ba69836d89984c918b66378e9449d752338d472498e16103ad26f05e92d9b62875aa1cfaca69e59d4178863d85727a8240616739ade16d1ceb53ac07cc44bc

C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Notepad.lnk

MD5 d1457b72c3fb323a2671125aef3eab5d
SHA1 5bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512 ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

memory/2172-324-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp

memory/2412-917-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp

C:\Users\Admin\AppData\Roaming\READ-THIS.txt

MD5 da0c595fea489ba8d78fa6a6eb1068db
SHA1 7e3caa05af6c71716279b4d8be58eadba683949a
SHA256 bcba1b82b40287f24986f26956110cbb8ff0ed6c367ff5629a93248d0921edfa
SHA512 54ba69836d89984c918b66378e9449d752338d472498e16103ad26f05e92d9b62875aa1cfaca69e59d4178863d85727a8240616739ade16d1ceb53ac07cc44bc

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-21 13:59

Reported

2023-09-21 14:09

Platform

win10v2004-20230915-en

Max time kernel

414s

Max time network

418s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Deletes shadow copies

ransomware

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

Disables Task Manager via registry modification

evasion

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Drops startup file

Description Indicator Process Target
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-THIS.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Users\Default\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\All Users\Microsoft\Windows\Start Menu\Programs\StartUp\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\All Users\Microsoft\Windows\Start Menu\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\Searches\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\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\Links\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\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\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\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\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\Pictures\Camera Roll\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Admin\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\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 C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\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\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\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\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\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
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\Admin\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\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\Default\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\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\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\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\3D Objects\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Downloads\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\Default\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\Local\Microsoft\Windows\WinX\Group3\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\All Users\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\Local\Microsoft\Windows\Burn\Burn\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 F:\$RECYCLE.BIN\S-1-5-21-1574508946-349927670-1185736483-1000\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\AccountPictures\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\Admin\AppData\Local\Microsoft\Windows\History\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\Public\Libraries\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\AppData\Roaming\Microsoft\Windows\Recent\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

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\k2tihg4tt.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_DADY&PROD_HARDDISK\4&215468A5&0&000000 C:\Windows\System32\vds.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName C:\Windows\System32\vds.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 C:\Windows\System32\vds.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_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 registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000_Classes\Local Settings C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
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\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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
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\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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 WriteProcessMemory

Description Indicator Process Target
PID 3492 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3492 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2876 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2876 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 4468 wrote to memory of 3136 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 4468 wrote to memory of 3136 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 4468 wrote to memory of 2712 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 4468 wrote to memory of 2712 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2876 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2876 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 1276 wrote to memory of 3404 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1276 wrote to memory of 3404 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1276 wrote to memory of 4348 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1276 wrote to memory of 4348 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2876 wrote to memory of 460 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2876 wrote to memory of 460 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 460 wrote to memory of 3824 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 460 wrote to memory of 3824 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 2876 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 2876 wrote to memory of 2940 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\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe

"C:\Users\Admin\AppData\Local\Temp\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.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-THIS.txt

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 254.22.238.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 254.23.238.8.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 34.197.79.40.in-addr.arpa udp

Files

memory/3492-0-0x00000000006E0000-0x0000000000768000-memory.dmp

memory/3492-1-0x00007FFC7AA70000-0x00007FFC7B531000-memory.dmp

memory/3492-2-0x000000001B470000-0x000000001B480000-memory.dmp

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

MD5 5526856582dad856c83aa26b7c060729
SHA1 a067c86e442f7c5dddb1617b7999f416ee28346f
SHA256 b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
SHA512 4fe75e50f5e9feb8070e5de83b20ab2355597ece4343f035fed600b6ca4fd7aadb8067c7e4d2683c5bf1610a7fd24ed8d21356171996e8c2003ec21fae0b21b4

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

MD5 5526856582dad856c83aa26b7c060729
SHA1 a067c86e442f7c5dddb1617b7999f416ee28346f
SHA256 b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
SHA512 4fe75e50f5e9feb8070e5de83b20ab2355597ece4343f035fed600b6ca4fd7aadb8067c7e4d2683c5bf1610a7fd24ed8d21356171996e8c2003ec21fae0b21b4

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

MD5 5526856582dad856c83aa26b7c060729
SHA1 a067c86e442f7c5dddb1617b7999f416ee28346f
SHA256 b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee
SHA512 4fe75e50f5e9feb8070e5de83b20ab2355597ece4343f035fed600b6ca4fd7aadb8067c7e4d2683c5bf1610a7fd24ed8d21356171996e8c2003ec21fae0b21b4

memory/2876-15-0x00007FFC7AA70000-0x00007FFC7B531000-memory.dmp

memory/3492-16-0x00007FFC7AA70000-0x00007FFC7B531000-memory.dmp

C:\Users\Admin\3D Objects\READ-THIS.txt

MD5 da0c595fea489ba8d78fa6a6eb1068db
SHA1 7e3caa05af6c71716279b4d8be58eadba683949a
SHA256 bcba1b82b40287f24986f26956110cbb8ff0ed6c367ff5629a93248d0921edfa
SHA512 54ba69836d89984c918b66378e9449d752338d472498e16103ad26f05e92d9b62875aa1cfaca69e59d4178863d85727a8240616739ade16d1ceb53ac07cc44bc

C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Fax Recipient.lnk

MD5 d1457b72c3fb323a2671125aef3eab5d
SHA1 5bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512 ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\b4a6bb188816bca1edb65946c49c7439e53913165cb457ca0fafdcb91b7bf2ee.exe.log

MD5 baf55b95da4a601229647f25dad12878
SHA1 abc16954ebfd213733c4493fc1910164d825cac8
SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA512 24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

memory/2876-583-0x00007FFC7AA70000-0x00007FFC7B531000-memory.dmp

C:\Users\Admin\AppData\Roaming\READ-THIS.txt

MD5 da0c595fea489ba8d78fa6a6eb1068db
SHA1 7e3caa05af6c71716279b4d8be58eadba683949a
SHA256 bcba1b82b40287f24986f26956110cbb8ff0ed6c367ff5629a93248d0921edfa
SHA512 54ba69836d89984c918b66378e9449d752338d472498e16103ad26f05e92d9b62875aa1cfaca69e59d4178863d85727a8240616739ade16d1ceb53ac07cc44bc