Analysis Overview
SHA256
20c061b34f6b0656a44c0e7c89777e5715602eb220f523e69cafae9973deacb2
Threat Level: Likely malicious
The file dc1266f06aa1e2db8308f82ca85aa47f was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Checks computer location settings
Modifies file permissions
Drops file in System32 directory
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
2024-03-21 16:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-21 16:20
Reported
2024-03-21 16:23
Platform
win10v2004-20240226-en
Max time kernel
122s
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\takeown.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\LogonUI.exe | C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.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 1052 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.exe | C:\Windows\System32\cmd.exe |
| PID 1052 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.exe | C:\Windows\System32\cmd.exe |
| PID 4644 wrote to memory of 4952 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\takeown.exe |
| PID 4644 wrote to memory of 4952 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\takeown.exe |
| PID 4644 wrote to memory of 3480 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\icacls.exe |
| PID 4644 wrote to memory of 3480 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\icacls.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.exe
"C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant "%username%:F"
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32 /grant "Admin:F"
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 199.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.134.221.88.in-addr.arpa | udp |
Files
memory/1052-0-0x0000000000160000-0x00000000002AE000-memory.dmp
memory/1052-1-0x00007FFC22660000-0x00007FFC23121000-memory.dmp
memory/1052-2-0x000000001AE70000-0x000000001AE80000-memory.dmp
memory/1052-5-0x00007FFC22660000-0x00007FFC23121000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-21 16:20
Reported
2024-03-21 16:23
Platform
win7-20240221-en
Max time kernel
118s
Max time network
129s
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 |
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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\LogonUI.exe | C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.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\dc1266f06aa1e2db8308f82ca85aa47f.exe
"C:\Users\Admin\AppData\Local\Temp\dc1266f06aa1e2db8308f82ca85aa47f.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant "%username%:F"
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32 /grant "Admin:F"
Network
Files
memory/2176-0-0x0000000000110000-0x000000000025E000-memory.dmp
memory/2176-1-0x000007FEF5940000-0x000007FEF632C000-memory.dmp
memory/2176-2-0x000000001AFB0000-0x000000001B030000-memory.dmp
memory/2176-4-0x000007FEF5940000-0x000007FEF632C000-memory.dmp