Malware Analysis Report

2024-08-06 16:03

Sample ID 240428-r5b6ssab25
Target 378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.bin
SHA256 378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7
Tags
chaos evasion persistence ransomware spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7

Threat Level: Known bad

The file 378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.bin was found to be: Known bad.

Malicious Activity Summary

chaos evasion persistence ransomware spyware stealer

Chaos family

Chaos Ransomware

Chaos

Renames multiple (165) files with added filename extension

Renames multiple (160) files with added filename extension

Deletes shadow copies

Modifies boot configuration data using bcdedit

Deletes backup catalog

Disables Task Manager via registry modification

Drops startup file

Checks computer location settings

Executes dropped EXE

Reads user/profile data of web browsers

Drops desktop.ini file(s)

Adds Run key to start application

Sets desktop wallpaper using registry

Enumerates physical storage devices

Unsigned PE

Interacts with shadow copies

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Suspicious behavior: AddClipboardFormatListener

Modifies registry class

Suspicious use of WriteProcessMemory

Opens file in notepad (likely ransom note)

Uses Volume Shadow Copy service COM API

Suspicious behavior: EnumeratesProcesses

Checks SCSI registry key(s)

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-28 14:46

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

2024-04-28 14:46

Reported

2024-04-28 14:48

Platform

win7-20240221-en

Max time kernel

129s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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

Renames multiple (165) files with added filename extension

ransomware

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\SOLUTION_NOTE.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-1-5-21-3452737119-3959686427-228443150-1000\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\Admin\Searches\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\Public\Music\Sample 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\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\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\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\Admin\Documents\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\Admin\AppData\Roaming\Microsoft\Windows\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 F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\J3XTYXPF\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\Public\Recorded TV\Sample Media\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\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\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\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\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\Admin\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Public\Videos\Sample Videos\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\Desktop\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\Videos\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\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\3J2LRC5A\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\Public\Desktop\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\Recorded TV\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\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\Admin\Favorites\Links\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\Burn\Burn\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\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\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\Public\Downloads\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\Music\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\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\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\Temporary Internet Files\Content.IE5\108YEMNS\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\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\Downloads\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 C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\F9UL0C6O\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\JYWEBS5E\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\PY5FLSJ8\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\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CYTS71XD\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\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\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\Public\Pictures\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\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\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-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\705ji0ni6.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

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings C:\Windows\system32\rundll32.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
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\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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 2084 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2084 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2084 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3036 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2556 wrote to memory of 2624 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2556 wrote to memory of 2624 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2556 wrote to memory of 2624 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2556 wrote to memory of 1004 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2556 wrote to memory of 1004 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2556 wrote to memory of 1004 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 3036 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2588 wrote to memory of 2748 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2588 wrote to memory of 2748 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2588 wrote to memory of 2748 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2588 wrote to memory of 2756 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2588 wrote to memory of 2756 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2588 wrote to memory of 2756 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 3036 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3036 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2784 wrote to memory of 1464 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 2784 wrote to memory of 1464 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 2784 wrote to memory of 1464 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 3036 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 3036 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 3036 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 2000 wrote to memory of 1816 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\NOTEPAD.EXE
PID 2000 wrote to memory of 1816 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\NOTEPAD.EXE
PID 2000 wrote to memory of 1816 N/A C:\Windows\system32\rundll32.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\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe

"C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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\SOLUTION_NOTE.txt

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Documents\ExitDisconnect.pdf. LethalLock

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Documents\ExitDisconnect.pdf. LethalLock

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SOLUTION_NOTE.txt

Network

N/A

Files

memory/2084-0-0x0000000001180000-0x0000000001260000-memory.dmp

memory/2084-1-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

memory/2084-2-0x000000001AD40000-0x000000001ADC0000-memory.dmp

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

MD5 5668c99abad5da137b901ea5e024638f
SHA1 4718b08ab5f28437c972f030d23bd2a6535224a7
SHA256 378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7
SHA512 a700b70e24aaae69c68d0f9e74c5302dd821c62b165a85b383be5db9e281df558895e985ce51a2e1873306292105904d0e59b12daec1d26dcc5976e237ee9fc6

memory/3036-9-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

memory/3036-8-0x0000000000CE0000-0x0000000000DC0000-memory.dmp

memory/3036-10-0x000000001AC30000-0x000000001ACB0000-memory.dmp

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\SOLUTION_NOTE.txt

MD5 422c304e6cccb39e8a876d7eccc3cf1b
SHA1 29a656099c4439855679c90ae2e69f5fbdfe9c1d
SHA256 f6e57820707eb0d307c2dfafba94bf977c33f182e7c3377d9ab3f4662054e92a
SHA512 5322504ade08540e89839e4b32091cea7d172b537e121f62291a95560bb6c06fab7e12ee7ed149f29e3c5bbeab7a72c419ea5241cc6aeba027d93e470145331b

C:\Users\Admin\Desktop\GrantFormat.wma

MD5 d1457b72c3fb323a2671125aef3eab5d
SHA1 5bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512 ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

memory/2084-863-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

memory/3036-864-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

memory/3036-865-0x000000001AC30000-0x000000001ACB0000-memory.dmp

C:\Users\Admin\Documents\ExitDisconnect.pdf. LethalLock

MD5 d8d19ad7038b1c0a3aebb378a70d302d
SHA1 a5a2a05aa8442451f112307046c48ca353ca1512
SHA256 f5257eb951a85afe323efdb767e5392d70d4d56072fa7163262faa5720d4858c
SHA512 5b07f6bcfd9a3543a4b215e3078cac7a881a7abc3a4c33a0a26dfe08010d3daf3c67cf144bee038177a4e1366f61bba5791de0c21e5ae3324a9071ccb7c91c75

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-28 14:46

Reported

2024-04-28 14:48

Platform

win10v2004-20240419-en

Max time kernel

55s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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

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

Renames multiple (160) files with added filename extension

ransomware

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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\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\SOLUTION_NOTE.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-1-5-21-877519540-908060166-1852957295-1000\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\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\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\Programs\Accessories\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\OneDrive\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\Documents\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\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\Pictures\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\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\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\Windows\Start Menu\Programs\Accessibility\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\Favorites\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\Maintenance\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\Local\Microsoft\Windows\WinX\Group1\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\All Users\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\System Tools\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\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\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\Accessibility\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\Public\Music\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\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\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\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\Public\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\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\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\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\Local\Microsoft\Windows\Burn\Burn\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 F:\$RECYCLE.BIN\S-1-5-21-877519540-908060166-1852957295-1000\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\3D Objects\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\Local\Microsoft\Windows\History\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\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\Recent\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\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\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\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\Default\AppData\Roaming\Microsoft\Windows\SendTo\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\Start Menu\Programs\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\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\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\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\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\Public\AccountPictures\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xy357eihb.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\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
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

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-1-5-21-877519540-908060166-1852957295-1000_Classes\Local Settings C:\Users\Admin\AppData\Roaming\svchost.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\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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 2784 wrote to memory of 3756 N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2784 wrote to memory of 3756 N/A C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3756 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3756 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2144 wrote to memory of 2812 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2144 wrote to memory of 2812 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2144 wrote to memory of 2340 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2144 wrote to memory of 2340 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 3756 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3756 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 2604 wrote to memory of 668 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2604 wrote to memory of 668 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2604 wrote to memory of 4652 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2604 wrote to memory of 4652 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 3756 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3756 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\System32\cmd.exe
PID 3368 wrote to memory of 4512 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 3368 wrote to memory of 4512 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 3756 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 3756 wrote to memory of 2000 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\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe

"C:\Users\Admin\AppData\Local\Temp\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.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\SOLUTION_NOTE.txt

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp

Files

memory/2784-0-0x0000000000AC0000-0x0000000000BA0000-memory.dmp

memory/2784-2-0x000000001B7A0000-0x000000001B7B0000-memory.dmp

memory/2784-1-0x00007FFA5FB20000-0x00007FFA605E1000-memory.dmp

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

MD5 5668c99abad5da137b901ea5e024638f
SHA1 4718b08ab5f28437c972f030d23bd2a6535224a7
SHA256 378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7
SHA512 a700b70e24aaae69c68d0f9e74c5302dd821c62b165a85b383be5db9e281df558895e985ce51a2e1873306292105904d0e59b12daec1d26dcc5976e237ee9fc6

memory/2784-16-0x00007FFA5FB20000-0x00007FFA605E1000-memory.dmp

memory/3756-15-0x00007FFA5FB20000-0x00007FFA605E1000-memory.dmp

C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\SOLUTION_NOTE.txt

MD5 422c304e6cccb39e8a876d7eccc3cf1b
SHA1 29a656099c4439855679c90ae2e69f5fbdfe9c1d
SHA256 f6e57820707eb0d307c2dfafba94bf977c33f182e7c3377d9ab3f4662054e92a
SHA512 5322504ade08540e89839e4b32091cea7d172b537e121f62291a95560bb6c06fab7e12ee7ed149f29e3c5bbeab7a72c419ea5241cc6aeba027d93e470145331b

C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\Magnify.lnk

MD5 d1457b72c3fb323a2671125aef3eab5d
SHA1 5bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512 ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\378048eb77eec0197bedba1659883e06d43fb6b0c8bf312f9a7ef90d115022b7.exe.log

MD5 baf55b95da4a601229647f25dad12878
SHA1 abc16954ebfd213733c4493fc1910164d825cac8
SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA512 24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

memory/3756-1123-0x00007FFA5FB20000-0x00007FFA605E1000-memory.dmp