Analysis Overview
SHA256
5fc600351bade74c2791fc526bca6bb606355cc65e5253f7f791254db58ee7fa
Threat Level: Known bad
The file sf.exe was found to be: Known bad.
Malicious Activity Summary
AmmyyAdmin payload
Ammyyadmin family
FlawedAmmyy RAT
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-06-15 11:57
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-15 11:57
Reported
2023-06-15 11:59
Platform
win7-20230220-en
Max time kernel
124s
Max time network
33s
Command Line
Signatures
FlawedAmmyy RAT
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1992 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
| PID 1992 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
| PID 1992 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
| PID 1992 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\sf.exe
"C:\Users\Admin\AppData\Local\Temp\sf.exe"
C:\Users\Admin\AppData\Local\Temp\sf.exe
"C:\Users\Admin\AppData\Local\Temp\sf.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\sf.exe
"C:\Users\Admin\AppData\Local\Temp\sf.exe"
Network
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | ac7221c691ef0a93dbbb5bee6efcb7ec |
| SHA1 | 54f197fef16badefb4bf0d7339f6bd1099e505da |
| SHA256 | b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f |
| SHA512 | 226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b |
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-15 11:57
Reported
2023-06-15 11:59
Platform
win10v2004-20230220-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
FlawedAmmyy RAT
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1176 wrote to memory of 4388 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
| PID 1176 wrote to memory of 4388 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
| PID 1176 wrote to memory of 4388 | N/A | C:\Users\Admin\AppData\Local\Temp\sf.exe | C:\Users\Admin\AppData\Local\Temp\sf.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\sf.exe
"C:\Users\Admin\AppData\Local\Temp\sf.exe"
C:\Users\Admin\AppData\Local\Temp\sf.exe
"C:\Users\Admin\AppData\Local\Temp\sf.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\sf.exe
"C:\Users\Admin\AppData\Local\Temp\sf.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.103.197.20.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| IE | 13.69.239.74:443 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 8.248.3.254:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | ac7221c691ef0a93dbbb5bee6efcb7ec |
| SHA1 | 54f197fef16badefb4bf0d7339f6bd1099e505da |
| SHA256 | b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f |
| SHA512 | 226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b |