Analysis Overview
SHA256
ab5f9ab8a8072142d4b6ffcfdf50442cc729f67ce327b6afc73d7dbc51c49520
Threat Level: Known bad
The file 2024-09-04_535d7581519e1a575b54ed9b10a22f9e_babuk_destroyer was found to be: Known bad.
Malicious Activity Summary
Babuk Locker
Renames multiple (184) files with added filename extension
Deletes shadow copies
Renames multiple (192) files with added filename extension
Checks computer location settings
Enumerates connected drives
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 00:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 00:37
Reported
2024-09-04 00:39
Platform
win7-20240903-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (192) 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_535d7581519e1a575b54ed9b10a22f9e_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_535d7581519e1a575b54ed9b10a22f9e_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_535d7581519e1a575b54ed9b10a22f9e_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_535d7581519e1a575b54ed9b10a22f9e_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:\PerfLogs\How to decrypt your files.txt
| MD5 | 1cb251ec0d568de6a929b520c4aed8d1 |
| SHA1 | 372ea08cab33e71c02c651dbc83a474d32c676ea |
| SHA256 | 982d9e3eb996f559e633f4d194def3761d909f5a3b647d1a851fead67c32c9d1 |
| SHA512 | eaf2c12742cb8c161bcbd84b032b9bb98999a23282542672ca01cc6edd268f7dce9987ad6b2bc79305634f89d90b90102bcd59a57e7135b8e3ceb93c0597117b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 00:37
Reported
2024-09-04 00:39
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (184) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-09-04_535d7581519e1a575b54ed9b10a22f9e_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_535d7581519e1a575b54ed9b10a22f9e_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_535d7581519e1a575b54ed9b10a22f9e_babuk_destroyer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-04_535d7581519e1a575b54ed9b10a22f9e_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_535d7581519e1a575b54ed9b10a22f9e_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_535d7581519e1a575b54ed9b10a22f9e_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
Files
C:\Users\Admin\Downloads\How to decrypt your files.txt
| MD5 | 1cb251ec0d568de6a929b520c4aed8d1 |
| SHA1 | 372ea08cab33e71c02c651dbc83a474d32c676ea |
| SHA256 | 982d9e3eb996f559e633f4d194def3761d909f5a3b647d1a851fead67c32c9d1 |
| SHA512 | eaf2c12742cb8c161bcbd84b032b9bb98999a23282542672ca01cc6edd268f7dce9987ad6b2bc79305634f89d90b90102bcd59a57e7135b8e3ceb93c0597117b |