Analysis Overview
SHA256
25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f
Threat Level: Known bad
The file 25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f was found to be: Known bad.
Malicious Activity Summary
TA505
Blocklisted process makes network request
UPX packed file
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-02-01 16:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-01 16:14
Reported
2022-02-02 06:56
Platform
win7-en-20211208
Max time kernel
117s
Max time network
136s
Command Line
Signatures
TA505
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1580 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1580 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1580 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1580 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1580 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1580 wrote to memory of 1612 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1580 wrote to memory of 1612 | 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\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | microsoft-home-en.com | udp |
| US | 8.8.8.8:53 | microsoft-home-en.com | udp |
| US | 194.195.211.26:443 | microsoft-home-en.com | tcp |
Files
memory/1612-55-0x00000000763F1000-0x00000000763F3000-memory.dmp
memory/1612-56-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/1612-57-0x0000000010000000-0x0000000010048000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-01 16:14
Reported
2022-02-02 06:55
Platform
win10v2004-en-20220113
Max time kernel
47s
Max time network
45s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 2812 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2240 wrote to memory of 2812 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2240 wrote to memory of 2812 | 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\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25bfe1bd30bbe5100498ed74eb413168a3740cb03a6cca489a88324f20b71c0f.dll,#1