Analysis Overview
SHA256
77457f0b7da19036041ca3a0071e141909d889eb7e2d28d6ad0df73bc3c81636
Threat Level: Known bad
The file readme was found to be: Known bad.
Malicious Activity Summary
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-03-23 09:48
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-23 09:48
Reported
2022-03-23 09:50
Platform
win7-20220311-en
Max time kernel
4294182s
Max time network
124s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1960 wrote to memory of 1968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
Network
Files
memory/1968-54-0x0000000000000000-mapping.dmp
memory/1968-55-0x0000000076BC1000-0x0000000076BC3000-memory.dmp
memory/1968-56-0x00000000001B0000-0x000000000022A000-memory.dmp
memory/1968-58-0x0000000000260000-0x000000000026E000-memory.dmp
memory/1968-57-0x0000000000260000-0x000000000026E000-memory.dmp
memory/1968-60-0x0000000000260000-0x000000000026E000-memory.dmp
memory/1968-59-0x0000000000260000-0x000000000026E000-memory.dmp
memory/1968-61-0x0000000000240000-0x000000000024C000-memory.dmp
memory/1968-62-0x0000000000260000-0x000000000026E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-23 09:48
Reported
2022-03-23 09:50
Platform
win10v2004-20220310-en
Max time kernel
118s
Max time network
121s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1364 wrote to memory of 4756 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1364 wrote to memory of 4756 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1364 wrote to memory of 4756 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 52.109.12.18:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | storesdk.dsx.mp.microsoft.com | udp |
| NL | 104.80.225.205:443 | storesdk.dsx.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 104.16.147.212:443 | tcp | |
| NL | 52.178.17.2:443 | tcp | |
| NL | 104.80.225.205:443 | storesdk.dsx.mp.microsoft.com | tcp |
Files
memory/4756-134-0x0000000000000000-mapping.dmp
memory/4756-135-0x00000000009C0000-0x0000000000A3A000-memory.dmp