Analysis Overview
SHA256
ae6020a06d2a95cbe91b439f4433e87d198547dec629ab0900ccfe17e729cff1
Threat Level: Known bad
The file 093f098e70cc57a17d02323cbe6cd484 was found to be: Known bad.
Malicious Activity Summary
Babuk family
http://chuongdong.com/reverse%20engineering/2021/01/03/BabukRansomware/
Deletes shadow copies
Modifies extensions of user files
Enumerates connected drives
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-09-28 20:55
Signatures
Babuk family
http://chuongdong.com/reverse%20engineering/2021/01/03/BabukRansomware/
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-28 20:55
Reported
2021-09-28 20:57
Platform
win7v20210408
Max time kernel
9s
Max time network
34s
Command Line
Signatures
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\ExitFind.crw => C:\Users\Admin\Pictures\ExitFind.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ExitFind.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ImportDebug.tif => C:\Users\Admin\Pictures\ImportDebug.tif.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ImportDebug.tif.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\NewReset.raw => C:\Users\Admin\Pictures\NewReset.raw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\NewReset.raw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
Enumerates connected drives
Enumerates physical storage devices
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\093f098e70cc57a17d02323cbe6cd484.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
Processes
C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe
"C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.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
memory/2044-59-0x0000000075D11000-0x0000000075D13000-memory.dmp
memory/268-60-0x0000000000000000-mapping.dmp
memory/908-61-0x0000000000000000-mapping.dmp
memory/1544-62-0x0000000000000000-mapping.dmp
memory/1616-63-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-09-28 20:55
Reported
2021-09-28 20:57
Platform
win10v20210408
Max time kernel
101s
Max time network
104s
Command Line
Signatures
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\GetWatch.tiff | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\GetWatch.tiff.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\FormatDeny.png => C:\Users\Admin\Pictures\FormatDeny.png.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\EnableMeasure.raw => C:\Users\Admin\Pictures\EnableMeasure.raw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\PublishDisconnect.tiff | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RegisterDismount.crw => C:\Users\Admin\Pictures\RegisterDismount.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\RegisterDismount.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\WatchStep.tif.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ExportPop.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\FormatDeny.png.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\GetWatch.tiff => C:\Users\Admin\Pictures\GetWatch.tiff.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\EnableMeasure.raw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\PublishDisconnect.tiff => C:\Users\Admin\Pictures\PublishDisconnect.tiff.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ProtectMount.crw => C:\Users\Admin\Pictures\ProtectMount.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ProtectMount.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\PublishDisconnect.tiff.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\WatchStep.tif => C:\Users\Admin\Pictures\WatchStep.tif.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ExportPop.crw => C:\Users\Admin\Pictures\ExportPop.crw.delta | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
Enumerates connected drives
Enumerates physical storage devices
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\093f098e70cc57a17d02323cbe6cd484.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.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
| Description | Indicator | Process | Target |
| PID 740 wrote to memory of 1012 | N/A | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | C:\Windows\System32\cmd.exe |
| PID 740 wrote to memory of 1012 | N/A | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | C:\Windows\System32\cmd.exe |
| PID 1012 wrote to memory of 1104 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\vssadmin.exe |
| PID 1012 wrote to memory of 1104 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\vssadmin.exe |
| PID 740 wrote to memory of 4012 | N/A | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | C:\Windows\System32\cmd.exe |
| PID 740 wrote to memory of 4012 | N/A | C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe | C:\Windows\System32\cmd.exe |
| PID 4012 wrote to memory of 3960 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\vssadmin.exe |
| PID 4012 wrote to memory of 3960 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\vssadmin.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe
"C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.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
memory/1012-114-0x0000000000000000-mapping.dmp
memory/1104-115-0x0000000000000000-mapping.dmp
memory/4012-116-0x0000000000000000-mapping.dmp
memory/3960-117-0x0000000000000000-mapping.dmp