Analysis Overview
SHA256
854918956a53b2d39abbf67677bf8ad3c2f2506d6690162b8f8abe1655b9f957
Threat Level: Known bad
The file 2024-08-29_dc053caf95e8e0d08fe445b6bede2706_babuk_destroyer was found to be: Known bad.
Malicious Activity Summary
Babuk Locker
Renames multiple (202) files with added filename extension
Renames multiple (181) files with added filename extension
Deletes shadow copies
Checks computer location settings
Enumerates connected drives
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Interacts with shadow copies
Uses Volume Shadow Copy service COM API
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 07:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-29 07:59
Reported
2024-08-29 08:02
Platform
win7-20240704-en
Max time kernel
14s
Max time network
18s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (202) 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\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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 Restore Your Files.txt
| MD5 | 2af817219bb1d24a11ab839b9453b5f3 |
| SHA1 | f9ff9075f9472c41aeb93df2e439fe624dc143b0 |
| SHA256 | 6a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0 |
| SHA512 | d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 07:59
Reported
2024-08-29 08:02
Platform
win10v2004-20240802-en
Max time kernel
121s
Max time network
143s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Renames multiple (181) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_babuk_destroyer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_dc053caf95e8e0d08fe445b6bede2706_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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
C:\Recovery\WindowsRE\How To Restore Your Files.txt
| MD5 | 2af817219bb1d24a11ab839b9453b5f3 |
| SHA1 | f9ff9075f9472c41aeb93df2e439fe624dc143b0 |
| SHA256 | 6a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0 |
| SHA512 | d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30 |