Malware Analysis Report

2024-08-06 16:04

Sample ID 240430-l7fzwahf73
Target rincrypt.exe
SHA256 3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08
Tags
chaos evasion 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

3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08

Threat Level: Known bad

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

Malicious Activity Summary

chaos evasion ransomware spyware stealer

Chaos Ransomware

Chaos

Chaos family

Modifies boot configuration data using bcdedit

Deletes shadow copies

Deletes backup catalog

Checks computer location settings

Reads user/profile data of web browsers

Drops startup file

Executes dropped EXE

Drops desktop.ini file(s)

Sets desktop wallpaper using registry

Enumerates physical storage devices

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Uses Volume Shadow Copy service COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Interacts with shadow copies

Suspicious behavior: AddClipboardFormatListener

Uses Task Scheduler COM API

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-30 10:10

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

2024-04-30 10:10

Reported

2024-04-30 10:12

Platform

win7-20240220-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\rincrypt.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

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

Drops startup file

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

Executes dropped EXE

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

Reads user/profile data of web browsers

spyware stealer

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Users\Admin\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Downloads\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Searches\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Videos\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Music\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.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\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Admin\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Public\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Music\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Links\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Videos\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Contacts\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Favorites\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Saved Games\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cpcpll39l.jpg" C:\Users\Admin\AppData\Roaming\notepad.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" C:\Users\Admin\AppData\Roaming\notepad.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\Roaming\notepad.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\notepad.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 2932 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe C:\Users\Admin\AppData\Roaming\notepad.exe
PID 2932 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe C:\Users\Admin\AppData\Roaming\notepad.exe
PID 2932 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe C:\Users\Admin\AppData\Roaming\notepad.exe
PID 2956 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2956 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2956 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2424 wrote to memory of 2484 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2424 wrote to memory of 2484 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2424 wrote to memory of 2484 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2424 wrote to memory of 1244 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2424 wrote to memory of 1244 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2424 wrote to memory of 1244 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2956 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2956 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2956 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 1608 wrote to memory of 1752 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1608 wrote to memory of 1752 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1608 wrote to memory of 1752 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1608 wrote to memory of 1568 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1608 wrote to memory of 1568 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 1608 wrote to memory of 1568 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 2956 wrote to memory of 556 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2956 wrote to memory of 556 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2956 wrote to memory of 556 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 556 wrote to memory of 1324 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 556 wrote to memory of 1324 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 556 wrote to memory of 1324 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 2956 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\system32\NOTEPAD.EXE
PID 2956 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\system32\NOTEPAD.EXE
PID 2956 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\notepad.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\rincrypt.exe

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

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

"C:\Users\Admin\AppData\Roaming\notepad.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/2932-0-0x00000000009F0000-0x0000000000A1E000-memory.dmp

memory/2932-1-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

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

MD5 9f99b9ecdb90b991aa0eb5884523185f
SHA1 5d99a9343765bb758f8ee85585dd376ec190c6e4
SHA256 3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08
SHA512 5c7a8f872bd0c5800e60e164eb605650eac06a6fc07322ab78274cd9c024e08c7cb8797580ecfb9067efd0ab6a1117e5c23fd78b4e6256ccecea4997f0859ed5

memory/2956-7-0x00000000013C0000-0x00000000013EE000-memory.dmp

memory/2956-8-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

memory/2932-9-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

memory/2956-11-0x000000001ADC0000-0x000000001AE40000-memory.dmp

C:\Users\Admin\Documents\READ THIS.txt

MD5 8997745ddb6aa0ec242fedebb654f82f
SHA1 9c3b22208cede1c038ae8a05f021d2c2d7060b5a
SHA256 379e87e41323764decd229c8838aff8f17b334afe0c126737ad343e31fd9c94b
SHA512 597c97b8afe2f37437b57a2f21206625ecf8bf1abf31f776e45ef4503c06152ef89d5855c160296f564abcb801161a9e35e4c4deb903b4cef794e187d8f7f506

memory/2956-423-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

memory/2956-424-0x000000001ADC0000-0x000000001AE40000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-30 10:10

Reported

2024-04-30 10:13

Platform

win10v2004-20240419-en

Max time kernel

55s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\rincrypt.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

Deletes backup catalog

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\rincrypt.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\READ THIS.txt C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\notepad.url C:\Users\Admin\AppData\Roaming\notepad.exe N/A

Executes dropped EXE

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

Reads user/profile data of web browsers

spyware stealer

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Users\Admin\Searches\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Admin\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Public\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Admin\Contacts\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\OneDrive\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Public\Desktop\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Links\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Downloads\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Music\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Public\Videos\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3726321484-1950364574-433157660-1000\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Favorites\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Videos\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.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\notepad.exe N/A
File opened for modification C:\Users\Public\Music\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Saved Games\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Public\Documents\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini C:\Users\Admin\AppData\Roaming\notepad.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\i653t12fl.jpg" C:\Users\Admin\AppData\Roaming\notepad.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_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 C:\Windows\System32\vds.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName C:\Windows\System32\vds.exe N/A

Interacts with shadow copies

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

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000_Classes\Local Settings C:\Users\Admin\AppData\Roaming\notepad.exe N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\notepad.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 4808 wrote to memory of 428 N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe C:\Users\Admin\AppData\Roaming\notepad.exe
PID 4808 wrote to memory of 428 N/A C:\Users\Admin\AppData\Local\Temp\rincrypt.exe C:\Users\Admin\AppData\Roaming\notepad.exe
PID 428 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 428 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 2664 wrote to memory of 456 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2664 wrote to memory of 456 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\vssadmin.exe
PID 2664 wrote to memory of 2440 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 2664 wrote to memory of 2440 N/A C:\Windows\System32\cmd.exe C:\Windows\System32\Wbem\WMIC.exe
PID 428 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 428 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 4196 wrote to memory of 4268 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 4196 wrote to memory of 4268 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 4196 wrote to memory of 780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 4196 wrote to memory of 780 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 428 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 428 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\System32\cmd.exe
PID 3580 wrote to memory of 3156 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 3580 wrote to memory of 3156 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\wbadmin.exe
PID 428 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Roaming\notepad.exe C:\Windows\system32\NOTEPAD.EXE
PID 428 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Roaming\notepad.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\rincrypt.exe

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

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

"C:\Users\Admin\AppData\Roaming\notepad.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

Files

memory/4808-0-0x00000000002A0000-0x00000000002CE000-memory.dmp

memory/4808-1-0x00007FFD0ACC0000-0x00007FFD0B781000-memory.dmp

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

MD5 9f99b9ecdb90b991aa0eb5884523185f
SHA1 5d99a9343765bb758f8ee85585dd376ec190c6e4
SHA256 3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08
SHA512 5c7a8f872bd0c5800e60e164eb605650eac06a6fc07322ab78274cd9c024e08c7cb8797580ecfb9067efd0ab6a1117e5c23fd78b4e6256ccecea4997f0859ed5

memory/4808-15-0x00007FFD0ACC0000-0x00007FFD0B781000-memory.dmp

memory/428-14-0x00007FFD0ACC0000-0x00007FFD0B781000-memory.dmp

memory/428-17-0x00000000026E0000-0x00000000026F0000-memory.dmp

C:\Users\Admin\Documents\READ THIS.txt

MD5 8997745ddb6aa0ec242fedebb654f82f
SHA1 9c3b22208cede1c038ae8a05f021d2c2d7060b5a
SHA256 379e87e41323764decd229c8838aff8f17b334afe0c126737ad343e31fd9c94b
SHA512 597c97b8afe2f37437b57a2f21206625ecf8bf1abf31f776e45ef4503c06152ef89d5855c160296f564abcb801161a9e35e4c4deb903b4cef794e187d8f7f506

memory/428-449-0x00007FFD0ACC0000-0x00007FFD0B781000-memory.dmp

memory/428-450-0x00000000026E0000-0x00000000026F0000-memory.dmp