Analysis Overview
SHA256
42a1d2a7885898c85524a6b18550a9e01b86e5ad1c33af845b6ae1450ef69bfe
Threat Level: Known bad
The file readme.txt 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 08:35
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-23 08:35
Reported
2022-03-23 08:38
Platform
win7-20220311-en
Max time kernel
4294181s
Max time network
123s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2016 wrote to memory of 1952 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2016 wrote to memory of 1952 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2016 wrote to memory of 1952 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2016 wrote to memory of 1952 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2016 wrote to memory of 1952 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2016 wrote to memory of 1952 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2016 wrote to memory of 1952 | 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/1952-54-0x0000000000000000-mapping.dmp
memory/1952-55-0x0000000075D31000-0x0000000075D33000-memory.dmp
memory/1952-56-0x00000000002A0000-0x0000000000348000-memory.dmp
memory/1952-58-0x00000000001B0000-0x00000000001BE000-memory.dmp
memory/1952-57-0x00000000001B0000-0x00000000001BE000-memory.dmp
memory/1952-59-0x00000000001B0000-0x00000000001BE000-memory.dmp
memory/1952-60-0x00000000001B0000-0x00000000001BE000-memory.dmp
memory/1952-61-0x0000000000190000-0x000000000019C000-memory.dmp
memory/1952-62-0x00000000001B0000-0x00000000001BE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-23 08:35
Reported
2022-03-23 08:38
Platform
win10v2004-20220310-en
Max time kernel
125s
Max time network
137s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3896 wrote to memory of 4444 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3896 wrote to memory of 4444 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3896 wrote to memory of 4444 | 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 |
| NL | 104.80.225.205:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 84.53.175.107:80 | tcp | |
| NL | 84.53.175.107:80 | tcp |
Files
memory/4444-134-0x0000000000000000-mapping.dmp