Analysis Overview
SHA256
315da1cf9792d9f6d75e8a1c3a36836b65f8497b090d9e596850d49b383a54e6
Threat Level: Likely malicious
The file 88aab34a1fc0f5eb595dc14d0888a010N.exe was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Modifies file permissions
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-07 07:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-07 07:41
Reported
2024-08-07 07:43
Platform
win7-20240704-en
Max time kernel
12s
Max time network
19s
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 |
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 |
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:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe
"C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k takeown /f c:\windows\system32\hal.dll && icacls c:\windows\system32\hal.dll /grant Everyone:(F) && del /f c:\windows\system32\hal.dll && exit
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\hal.dll
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\hal.dll /grant Everyone:(F)
Network
Files
memory/1624-0-0x000000013F670000-0x000000013F80F000-memory.dmp
memory/1624-1-0x000000013F670000-0x000000013F80F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-07 07:41
Reported
2024-08-07 07:43
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
95s
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\icacls.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.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 |
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
| Description | Indicator | Process | Target |
| PID 3876 wrote to memory of 828 | N/A | C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe | C:\Windows\System32\cmd.exe |
| PID 3876 wrote to memory of 828 | N/A | C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe | C:\Windows\System32\cmd.exe |
| PID 828 wrote to memory of 4324 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\takeown.exe |
| PID 828 wrote to memory of 4324 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\takeown.exe |
| PID 828 wrote to memory of 1336 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\icacls.exe |
| PID 828 wrote to memory of 1336 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\icacls.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe
"C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k takeown /f c:\windows\system32\hal.dll && icacls c:\windows\system32\hal.dll /grant Everyone:(F) && del /f c:\windows\system32\hal.dll && exit
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\hal.dll
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\hal.dll /grant Everyone:(F)
Network
| Country | Destination | Domain | Proto |
| 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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3876-0-0x00007FF6E26C0000-0x00007FF6E285F000-memory.dmp
memory/3876-1-0x00007FF6E26C0000-0x00007FF6E285F000-memory.dmp