Analysis Overview
SHA256
a009833a53432868463134a6df8b017b744c4392b80d2446a33a71ee9f51cada
Threat Level: Shows suspicious behavior
The file 4fc213c5beec0a48c992cc16147bd898 was found to be: Shows suspicious behavior.
Malicious Activity Summary
VMProtect packed file
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-01-10 05:53
Signatures
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-10 05:53
Reported
2024-01-10 07:11
Platform
win7-20231215-en
Max time kernel
117s
Max time network
122s
Command Line
Signatures
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\rzZBNdlgPe\ | C:\Windows\system32\rundll32.exe | N/A |
| File created | \??\c:\windows\rzZBNdlgPe\O6cKgCO.txt | C:\Windows\system32\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1888 wrote to memory of 2792 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 1888 wrote to memory of 2792 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 1888 wrote to memory of 2792 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fc213c5beec0a48c992cc16147bd898.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1888 -s 240
Network
Files
memory/1888-0-0x000007FEF7450000-0x000007FEF74CD000-memory.dmp
memory/1888-1-0x000007FEFAED0000-0x000007FEFAF4D000-memory.dmp
memory/1888-3-0x000007FEFAED0000-0x000007FEFAF4D000-memory.dmp
memory/1888-2-0x000007FEF7450000-0x000007FEF74CD000-memory.dmp
memory/1888-4-0x000007FEF7450000-0x000007FEF74CD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-10 05:53
Reported
2024-01-10 07:11
Platform
win10v2004-20231222-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\4uh7y6E\ | C:\Windows\system32\rundll32.exe | N/A |
| File created | \??\c:\windows\4uh7y6E\6yBq8o9o3A.txt | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fc213c5beec0a48c992cc16147bd898.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.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 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| GB | 96.17.178.174:80 | tcp | |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 34.134.221.88.in-addr.arpa | udp |
Files
memory/5068-0-0x00007FFE5B630000-0x00007FFE5B6AD000-memory.dmp
memory/5068-1-0x00007FFE5B630000-0x00007FFE5B6AD000-memory.dmp