Malware Analysis Report

2024-08-06 15:56

Sample ID 240518-b5cvbsed26
Target 2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry
SHA256 aeeef616860df5ac0bcf37567fb1476d8d60ecc3d9eb6b82515ad5d5c3d5218d
Tags
chaos 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

aeeef616860df5ac0bcf37567fb1476d8d60ecc3d9eb6b82515ad5d5c3d5218d

Threat Level: Known bad

The file 2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry was found to be: Known bad.

Malicious Activity Summary

chaos persistence ransomware spyware stealer

Detects executables containing many references to VEEAM. Observed in ransomware

Chaos family

Detects command variations typically used by ransomware

Chaos Ransomware

Chaos

Detects executables containing many references to VEEAM. Observed in ransomware

Renames multiple (158) files with added filename extension

Renames multiple (173) files with added filename extension

Detects command variations typically used by ransomware

Checks computer location settings

Reads user/profile data of web browsers

Drops startup file

Executes dropped EXE

Drops desktop.ini file(s)

Adds Run key to start application

Sets desktop wallpaper using registry

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Opens file in notepad (likely ransom note)

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Defacement
T1491
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-18 01:43

Signatures

Chaos Ransomware

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

Chaos family

chaos

Detects command variations typically used by ransomware

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

Detects executables containing many references to VEEAM. Observed in ransomware

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 01:43

Reported

2024-05-18 01:45

Platform

win7-20240419-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.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

Detects command variations typically used by 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

Detects executables containing many references to VEEAM. Observed in 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

Renames multiple (158) files with added filename extension

ransomware

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\readme.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-1-5-21-481678230-3773327859-3495911762-1000\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\Public\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\Music\Sample 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\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\Temporary Internet Files\Content.IE5\XHX8DMHP\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\Public\Videos\Sample Videos\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\All Users\Microsoft\Windows\Start Menu\Programs\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\Feeds Cache\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\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\Music\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\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\Windows\History\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\334W6EWO\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\Public\Music\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\B5JWTXJ4\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\Administrative Tools\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\6KIMP0IT\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\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\L54IQZD2\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\Windows PowerShell\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\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\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\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\Startup\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\AppData\Local\Microsoft\Windows\Temporary Internet Files\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\Links\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\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\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\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\Libraries\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\Pictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\ASWW3GU0\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\Content.IE5\UIYQP923\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\Admin\Saved Games\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 F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\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\Libraries\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\SendTo\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\Local\Microsoft\Feeds Cache\QE6QYUAB\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-1-5-21-481678230-3773327859-3495911762-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xhojpalmc.jpg" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

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\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.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\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.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\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3008 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3008 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3008 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 3044 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 3044 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 3044 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe"

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

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

C:\Windows\system32\NOTEPAD.EXE

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

Network

N/A

Files

memory/3008-0-0x000007FEF51F3000-0x000007FEF51F4000-memory.dmp

memory/3008-1-0x00000000011B0000-0x00000000011FE000-memory.dmp

memory/3008-5-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

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

MD5 f89dcaf691e6355ecff8faf4f2d66456
SHA1 263c5f942b8f5787a466fd8c4a5a6cbee6dfb87b
SHA256 aeeef616860df5ac0bcf37567fb1476d8d60ecc3d9eb6b82515ad5d5c3d5218d
SHA512 b2c6e911c4c417354ca4857f5cbd85f8f8bd80afc3ae43fb3640013d1755f4e1235842617a993a98c253ba8690c328ce1c0b5b4bbc111f93ba5392124cc2bc9a

memory/3044-8-0x0000000000D30000-0x0000000000D7E000-memory.dmp

memory/3044-9-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

memory/3044-10-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

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

MD5 9052a9be51af459b1bf70b44a1d2c680
SHA1 3e615ce42bb15e9a3ba28c870d6a30ec9cfb4474
SHA256 a0244b3cc76c033d586448e5fedff7035236c19fb048490a8a829157644d982d
SHA512 10042d3a127475049e14b58697036e3999c6c7f6bcd73b76fef1839e706c86601ccc43e0a9bf5341ef45fd438a4a760b55d48025aca5ee91c119adff7b3410f8

C:\Users\Admin\Desktop\LockExpand.docx

MD5 d1457b72c3fb323a2671125aef3eab5d
SHA1 5bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512 ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

memory/3008-830-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

memory/3044-831-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 01:43

Reported

2024-05-18 01:45

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.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

Detects command variations typically used by ransomware

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

Detects executables containing many references to VEEAM. Observed in ransomware

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

Renames multiple (173) files with added filename extension

ransomware

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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\readme.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-1-5-21-3808065738-1666277613-1125846146-1000\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\WinX\Group1\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\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\Public\Documents\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\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\StartUp\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\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\WinX\Group3\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\Videos\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\Pictures\Camera Roll\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\Start Menu\Programs\System Tools\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\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\Public\Music\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\Searches\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\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\Public\Downloads\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\Pictures\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\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\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\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\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\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\Group2\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\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\SendTo\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\Links\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\Accessories\System Tools\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\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\Burn\Burn1\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\Saved Games\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\Desktop\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\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\Admin\Favorites\Links\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\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\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\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\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\Pictures\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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mdsht6d6e.jpg" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_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\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.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\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.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\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5040 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 5040 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 4924 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 4924 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe"

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

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

C:\Windows\system32\NOTEPAD.EXE

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4244 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.212.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 234.212.58.216.in-addr.arpa udp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

memory/5040-0-0x00007FFE5FD43000-0x00007FFE5FD45000-memory.dmp

memory/5040-1-0x0000000000EC0000-0x0000000000F0E000-memory.dmp

memory/5040-2-0x00007FFE5FD40000-0x00007FFE60801000-memory.dmp

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

MD5 f89dcaf691e6355ecff8faf4f2d66456
SHA1 263c5f942b8f5787a466fd8c4a5a6cbee6dfb87b
SHA256 aeeef616860df5ac0bcf37567fb1476d8d60ecc3d9eb6b82515ad5d5c3d5218d
SHA512 b2c6e911c4c417354ca4857f5cbd85f8f8bd80afc3ae43fb3640013d1755f4e1235842617a993a98c253ba8690c328ce1c0b5b4bbc111f93ba5392124cc2bc9a

memory/4924-15-0x00007FFE5FD40000-0x00007FFE60801000-memory.dmp

memory/5040-16-0x00007FFE5FD40000-0x00007FFE60801000-memory.dmp

C:\Users\Admin\3D Objects\readme.txt

MD5 9052a9be51af459b1bf70b44a1d2c680
SHA1 3e615ce42bb15e9a3ba28c870d6a30ec9cfb4474
SHA256 a0244b3cc76c033d586448e5fedff7035236c19fb048490a8a829157644d982d
SHA512 10042d3a127475049e14b58697036e3999c6c7f6bcd73b76fef1839e706c86601ccc43e0a9bf5341ef45fd438a4a760b55d48025aca5ee91c119adff7b3410f8

C:\Users\Admin\Desktop\GroupRepair.sql

MD5 d1457b72c3fb323a2671125aef3eab5d
SHA1 5bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512 ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-05-18_f89dcaf691e6355ecff8faf4f2d66456_wannacry.exe.log

MD5 baf55b95da4a601229647f25dad12878
SHA1 abc16954ebfd213733c4493fc1910164d825cac8
SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
SHA512 24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

memory/4924-1112-0x00007FFE5FD40000-0x00007FFE60801000-memory.dmp