Analysis Overview
SHA256
a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e
Threat Level: Known bad
The file a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf was found to be: Known bad.
Malicious Activity Summary
Mirai family
Deletes Audit logs
Deletes system logs
Deletes itself
Modifies Watchdog functionality
Deletes log files
Enumerates running processes
Changes its process name
Reads runtime system information
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-22 01:46
Signatures
Mirai family
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-22 01:46
Reported
2024-04-22 01:49
Platform
debian9-mipsbe-20240226-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Deletes Audit logs
| Description | Indicator | Process | Target |
| File deleted | /var/log/audit/audit.log | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
Deletes system logs
| Description | Indicator | Process | Target |
| File deleted | /var/log/syslog | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
Modifies Watchdog functionality
| Description | Indicator | Process | Target |
| File opened for modification | /dev/misc/watchdog | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
| File opened for modification | /dev/watchdog | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
Deletes log files
| Description | Indicator | Process | Target |
| File deleted | /var/log/daemon.log | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
| File deleted | /var/log/auth.log | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
Enumerates running processes
Changes its process name
| Description | Indicator | Process | Target |
| Changes the process name, possibly in an attempt to hide itself | w4j8wnmedmij | /tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf | N/A |
Reads runtime system information
Processes
/tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf
[/tmp/a1e1dca5ae87516c59f114b1ab914ac85b147781db055d795c4d016642d49c4e.elf]
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | udp | |
| US | 1.1.1.1:53 | tcpdown.su�@��@ | udp |
| US | 1.1.1.1:53 | tcpdown.su�@��@ | udp |
| US | 1.1.1.1:53 | tcpdown.su�@��@ | udp |
| US | 1.1.1.1:53 | tcpdown.su�@��@ | udp |
| US | 1.1.1.1:53 | tcpdown.su�@��@ | udp |
| US | 172.245.119.70:21425 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |
| BR | 179.106.58.90:55434 | udp | |
| BR | 177.54.118.171:43904 | udp | |
| BR | 186.194.199.190:35029 | udp | |
| BR | 191.240.231.115:15229 | udp | |
| US | 104.168.45.11:7722 | tcpdown.su | tcp |