Analysis Overview
SHA256
2d5213ab289a6fba4764904f7f06b16ca8f31f5593370efa148feb679095f061
Threat Level: Known bad
The file 2024-08-13_b97789f5e43131e57253c63c3f646715_babuk_destroyer was found to be: Known bad.
Malicious Activity Summary
Babuk Locker
Deletes shadow copies
Renames multiple (171) files with added filename extension
Renames multiple (208) files with added filename extension
Checks computer location settings
Enumerates connected drives
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Suspicious behavior: EnumeratesProcesses
Interacts with shadow copies
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-13 01:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-13 01:36
Reported
2024-08-13 01:38
Platform
win10v2004-20240802-en
Max time kernel
127s
Max time network
148s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (171) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-08-13_b97789f5e43131e57253c63c3f646715_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\2024-08-13_b97789f5e43131e57253c63c3f646715_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\2024-08-13_b97789f5e43131e57253c63c3f646715_babuk_destroyer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-13_b97789f5e43131e57253c63c3f646715_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\2024-08-13_b97789f5e43131e57253c63c3f646715_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-13_b97789f5e43131e57253c63c3f646715_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
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
Files
C:\Recovery\WindowsRE\How To Restore Your Files.txt
| MD5 | d0611c32100542de4fd6f77f2a2f701b |
| SHA1 | 924bd0ab0c5a68dd27c9978805a1a97c5b3088ff |
| SHA256 | c37cbb2245e2e33357aa382e07b3eb7868cb7b6832b114e49889c071fc39c6e9 |
| SHA512 | d9bdf63358f3ce5bbac0f9305e3785e592742a6c47a76da95c73f17a6b719843687ca6b283c9e0f31d16d12bfee8f7a5659c4ef38e3492fd023c4e2bfdeb2b79 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-13 01:36
Reported
2024-08-13 01:38
Platform
win7-20240704-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (208) 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\2024-08-13_b97789f5e43131e57253c63c3f646715_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\2024-08-13_b97789f5e43131e57253c63c3f646715_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\2024-08-13_b97789f5e43131e57253c63c3f646715_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-13_b97789f5e43131e57253c63c3f646715_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\Admin\How To Restore Your Files.txt
| MD5 | d0611c32100542de4fd6f77f2a2f701b |
| SHA1 | 924bd0ab0c5a68dd27c9978805a1a97c5b3088ff |
| SHA256 | c37cbb2245e2e33357aa382e07b3eb7868cb7b6832b114e49889c071fc39c6e9 |
| SHA512 | d9bdf63358f3ce5bbac0f9305e3785e592742a6c47a76da95c73f17a6b719843687ca6b283c9e0f31d16d12bfee8f7a5659c4ef38e3492fd023c4e2bfdeb2b79 |