Analysis Overview
SHA256
8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe
Threat Level: Known bad
The file 8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe was found to be: Known bad.
Malicious Activity Summary
Chaos family
Chaos
Chaos Ransomware
Renames multiple (197) files with added filename extension
Deletes shadow copies
Modifies boot configuration data using bcdedit
Renames multiple (201) files with added filename extension
Deletes backup catalog
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
Drops startup file
Drops desktop.ini file(s)
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Interacts with shadow copies
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Uses Volume Shadow Copy service COM API
Modifies registry class
Uses Task Scheduler COM API
Suspicious behavior: AddClipboardFormatListener
Checks SCSI registry key(s)
Opens file in notepad (likely ransom note)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-02 19:31
Signatures
Chaos Ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Chaos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-02 19:31
Reported
2024-10-02 19:32
Platform
win7-20240903-en
Max time kernel
20s
Max time network
16s
Command Line
Signatures
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
Modifies boot configuration data using bcdedit
| 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 (201) files with added filename extension
Deletes backup catalog
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\wbadmin.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Saved Games\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\Contacts\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\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\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\Windows\Start Menu\Programs\Administrative Tools\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Favorites\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Favorites\Links\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Public\Documents\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\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\Public\Pictures\Sample 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\Admin\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\Maintenance\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\Searches\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 | F:\$RECYCLE.BIN\S-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Links\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Public\Desktop\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Public\Pictures\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Public\Music\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\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\Music\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\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\Music\Sample Music\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Enumerates physical storage devices
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.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\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.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
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe
"C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe"
C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled no
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
C:\Windows\system32\wbadmin.exe
wbadmin delete catalog -quiet
C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
Network
Files
memory/2136-0-0x000007FEF5A83000-0x000007FEF5A84000-memory.dmp
memory/2136-1-0x0000000001130000-0x000000000113C000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 14d1c2327c5bdde7656b7535f7936d92 |
| SHA1 | 20c05343aff8bc0661aa928c26bee1146ee7f454 |
| SHA256 | 8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe |
| SHA512 | 195a525d09c977fa05acf5ac6eb7fc5690e83879555137c20838facf74bf7248ef15af2a2298e7bb02dc98e6bc61b37a6f11d8f7a0d4d7182447ac400d8618d9 |
memory/2748-7-0x0000000000D90000-0x0000000000D9C000-memory.dmp
memory/2748-9-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp
memory/2748-18-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp
C:\Users\Admin\Documents\read_it.txt
| MD5 | f80d41ba30a3302ce7695fb00847b7b1 |
| SHA1 | d49f02c98e7577e5c405437350c2b0e66ae11a54 |
| SHA256 | 1132f98b986f4ce354f5f68e7d67f1d780e4d1ff414ec08d2896b06b1fee7d36 |
| SHA512 | 53bd9dd8a457459d6936599260ddd0f88914b4e681324dad34cd8bc63e532d936e397e286bdf3f3f4b02dc7556cbacf559ecd5d739d29c9c1380321203fef8ae |
memory/2748-465-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-02 19:31
Reported
2024-10-02 19:32
Platform
win10v2004-20240802-en
Max time kernel
52s
Max time network
53s
Command Line
Signatures
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
Modifies boot configuration data using bcdedit
| 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 (197) files with added filename extension
Deletes backup catalog
| 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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
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
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-2170637797-568393320-3232933035-1000\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\Administrative Tools\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Public\Desktop\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\OneDrive\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Favorites\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\Saved Games\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\Pictures\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Links\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\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\Searches\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\Accessories\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Documents\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\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\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\Documents\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\Saved Pictures\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Music\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\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\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\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\Public\Videos\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\Contacts\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\Downloads\desktop.ini | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 | C:\Windows\System32\vds.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName | C:\Windows\System32\vds.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 | C:\Windows\System32\vds.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName | C:\Windows\System32\vds.exe | N/A |
Interacts with shadow copies
| 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-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.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
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe
"C:\Users\Admin\AppData\Local\Temp\8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe.exe"
C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
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 --field-trial-handle=4160,i,4356837537417149674,16553092232944545509,262144 --variations-seed-version --mojo-platform-channel-handle=1412 /prefetch:8
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled no
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
C:\Windows\system32\wbadmin.exe
wbadmin delete catalog -quiet
C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.209.201.84.in-addr.arpa | udp |
Files
memory/1652-0-0x00007FFAC73A3000-0x00007FFAC73A5000-memory.dmp
memory/1652-1-0x0000000000380000-0x000000000038C000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 14d1c2327c5bdde7656b7535f7936d92 |
| SHA1 | 20c05343aff8bc0661aa928c26bee1146ee7f454 |
| SHA256 | 8255e2d4929a77203721d93e3945e5cbf1fcaf3c2fe052b7cd18a5e0846e0dfe |
| SHA512 | 195a525d09c977fa05acf5ac6eb7fc5690e83879555137c20838facf74bf7248ef15af2a2298e7bb02dc98e6bc61b37a6f11d8f7a0d4d7182447ac400d8618d9 |
memory/4564-14-0x00007FFAC73A0000-0x00007FFAC7E61000-memory.dmp
C:\Users\Admin\Documents\read_it.txt
| MD5 | f80d41ba30a3302ce7695fb00847b7b1 |
| SHA1 | d49f02c98e7577e5c405437350c2b0e66ae11a54 |
| SHA256 | 1132f98b986f4ce354f5f68e7d67f1d780e4d1ff414ec08d2896b06b1fee7d36 |
| SHA512 | 53bd9dd8a457459d6936599260ddd0f88914b4e681324dad34cd8bc63e532d936e397e286bdf3f3f4b02dc7556cbacf559ecd5d739d29c9c1380321203fef8ae |
memory/4564-460-0x00007FFAC73A0000-0x00007FFAC7E61000-memory.dmp