Analysis Overview
SHA256
f89066114c3062fa3ed6049ee2662ced47f725cd383fdbde1049b413e58faa82
Threat Level: Known bad
The file 2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer was found to be: Known bad.
Malicious Activity Summary
Babuk Locker
Renames multiple (154) files with added filename extension
Deletes shadow copies
Renames multiple (197) files with added filename extension
Checks computer location settings
Enumerates connected drives
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Interacts with shadow copies
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 00:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 00:26
Reported
2024-09-04 00:28
Platform
win7-20240903-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (197) files with added filename extension
Enumerates connected drives
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe | N/A |
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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 |
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
Network
Files
C:\Users\Admin\Downloads\How to decrypt your files.txt
| MD5 | 1cb251ec0d568de6a929b520c4aed8d1 |
| SHA1 | 372ea08cab33e71c02c651dbc83a474d32c676ea |
| SHA256 | 982d9e3eb996f559e633f4d194def3761d909f5a3b647d1a851fead67c32c9d1 |
| SHA512 | eaf2c12742cb8c161bcbd84b032b9bb98999a23282542672ca01cc6edd268f7dce9987ad6b2bc79305634f89d90b90102bcd59a57e7135b8e3ceb93c0597117b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 00:26
Reported
2024-09-04 00:28
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (154) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe | N/A |
Enumerates connected drives
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe | N/A |
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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 |
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_10a746200164524d5e4e44abc2ddc5ea_babuk_destroyer.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\3D Objects\How to decrypt your files.txt
| MD5 | 1cb251ec0d568de6a929b520c4aed8d1 |
| SHA1 | 372ea08cab33e71c02c651dbc83a474d32c676ea |
| SHA256 | 982d9e3eb996f559e633f4d194def3761d909f5a3b647d1a851fead67c32c9d1 |
| SHA512 | eaf2c12742cb8c161bcbd84b032b9bb98999a23282542672ca01cc6edd268f7dce9987ad6b2bc79305634f89d90b90102bcd59a57e7135b8e3ceb93c0597117b |