Analysis Overview
SHA256
075da88f8a2508f9d1b63d8a1c244731d6314e50298104f27f6228b9dd20fa45
Threat Level: Likely malicious
The file main.ps1 was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Modifies file permissions
Drops file in System32 directory
Drops file in Windows directory
Command and Scripting Interpreter: PowerShell
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-04 12:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-04 12:22
Reported
2024-10-04 12:24
Platform
win11-20240802-en
Max time kernel
93s
Max time network
94s
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\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 |
| 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 |
| 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\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 |
| 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\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 |
| 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\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 |
| 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 |
| 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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\taskmgr.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\System32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\System32\control.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\System32\msconfig.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\System32\regedt32.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\explorer.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\regedit.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Windows\notepad.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2227988167-2813779459-4240799794-1000_Classes\Local Settings | C:\Windows\explorer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\main.ps1
C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe" /c takeown /F C:\Windows\System32\fr-FR\fms.dll.mui
C:\Windows\system32\takeown.exe
takeown /F C:\Windows\System32\fr-FR\fms.dll.mui
C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe" /c icacls C:\Windows\System32\fr-FR\fms.dll.mui /grant administrators:F
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\fr-FR\fms.dll.mui /grant administrators:F
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\explorer.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\explorer.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\System32\taskmgr.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\System32\taskmgr.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\System32\cmd.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\System32\cmd.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\regedit.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\regedit.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\notepad.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\notepad.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\System32\control.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\System32\control.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\System32\msconfig.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\System32\msconfig.exe /grant administrators:F /t
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f C:\Windows\System32\regedt32.exe /a /r /d y
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" C:\Windows\System32\regedt32.exe /grant administrators:F /t
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/2544-0-0x00007FFCA4C53000-0x00007FFCA4C55000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22ss0i4e.fj2.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2544-6-0x000001BE7D8D0000-0x000001BE7D8F2000-memory.dmp
memory/2544-10-0x00007FFCA4C50000-0x00007FFCA5712000-memory.dmp
memory/2544-11-0x00007FFCA4C50000-0x00007FFCA5712000-memory.dmp
memory/2544-12-0x00007FFCA4C50000-0x00007FFCA5712000-memory.dmp
memory/2544-13-0x00007FFCA4C53000-0x00007FFCA4C55000-memory.dmp
memory/2544-14-0x00007FFCA4C50000-0x00007FFCA5712000-memory.dmp