Technical Information
Malicious functions:
Launches itself as a daemon
Launches processes:
- sh -c echo 3 > /proc/sys/vm/drop_caches
- sh -c killall telnetd utelnetd scfgmgr
Attempts to kill the following processes:
- killall telnetd utelnetd scfgmgr
Kills the following processes:
- <SAMPLE>
Performs operations with the file system:
Deletes folders:
- <SAMPLE_FULL_PATH>"
Creates or modifies files:
- /proc/sys/vm/drop_caches
Deletes files:
- <SAMPLE_FULL_PATH>"
Network activity:
Awaits incoming connections on ports:
- 127.0.0.1:12399
- 0.0.0.0:23
Establishes connection:
- 8.#.8.8:53
- <LOCAL_DNS_SERVER>
- 88.###.196.95:123
- 91.###.91.157:123
- 12#.##.108.11:123
- 12#.#.15.27:123
- 11#.##.122.198:123
- 12#.#.15.28:123
- 12#.#.15.29:123
- 13#.##7.13.100:123
- 51.###.32.51:123
- 11#.##0.13.6:123
- 19#.##8.143.23:123
- 11#.##0.184.99:123
- 12#.##8.200.124:123
- 20#.##.114.202:123
- 19#.##5.150.25:123
- 10#.##6.40.40:123
- 12#.##0.35.250:123
Attacks using a special dictionary (brute-force technique) via the Telnet protocol.
DNS ASK:
- po##.ntp.org
- nt#.#buntu.com
- ti##.##ol.aliyun.com
- ti##.nist.gov
- ti###.aliyun.com
- ti###.aliyun.com
- ti###.aliyun.com
- ti###a.nist.gov
- ti###b.nist.gov
- ti####w.nist.gov
- ti##.#indows.com
- bd.##ol.ntp.org
- cn.##ol.ntp.org
- hk.##ol.ntp.org
- in.##ol.ntp.org
- id.##ol.ntp.org
- ir.##ol.ntp.org
- il.##ol.ntp.org
- jp.##ol.ntp.org
Sends data to the following servers:
- 88.###.196.95:123
- 91.###.91.157:123
- 12#.##.108.11:123
- 12#.#.15.27:123
- 11#.##.122.198:123
- 12#.#.15.28:123
- 12#.#.15.29:123
- 13#.##7.13.100:123
- 51.###.32.51:123
- 11#.##0.13.6:123
- 19#.##8.143.23:123
- 11#.##0.184.99:123
- 12#.##8.200.124:123
- 20#.##.114.202:123
- 19#.##5.150.25:123
- 10#.##6.40.40:123
- 12#.##0.35.250:123
