Mining Gang's New Tool: k4spreader

July 2, 2024, 8:50 a.m.

Description

QIanxin describes the discovery and analysis of k4spreader, a new malware installer and spreader tool developed by the 8220 mining gang. k4spreader is written in cgo and implements system persistence, self-updating, and releasing other malware like the Tsunami botnet and PwnRig miner. The tool is still in early development with three versions observed so far.

Date

  • Created: July 2, 2024, 8:22 a.m.
  • Published: July 2, 2024, 8:22 a.m.
  • Modified: July 2, 2024, 8:50 a.m.

Indicators

  • a980b1b0387534da7c9a321f7d450c02087f7a8445fc86b77785da0c510bbaa8
  • 7bade55726a3a6e86d809836d1bc43f4f7702ecde9ceed80a09876c2efeff8d4
  • 31fd924b9a5747befdf61c03b02c90d3c2ba93c8e1a9f798e6dfefe23767e1ae
  • 20d08d27631ae9bab8f3cb7cddd9b35fb75e5bee5764072f77ac3b4513307838
  • f998aeb84da8b84723ca9fdbdeb565dbc7938bd0a0ce5f0981307b3e24bdf712
  • 0897b1d3e3e453c160bf8d28a041eee3bd29e43a6f063faed7d3cb83a86b88cc
  • e2c3e81aa24b20ac71147340adc1eaedf077ad00e4a2359e3db47b166cf5411a
  • 0013b356966c3d693b253cdf00c7fdf698890c9b75605be07128cac446904ad9
  • 167.114.114.169
  • 51.255.171.23
  • 185.172.128.146
  • http://run.sck-dns.cc/sys/index.php
  • http://run.sck-dns.ws/sys/index.php
  • http://run.on-demand.pw:8080
  • http://run.on-demand.pw:80
  • http://run.on-demand.pw:443
  • http://fbi.su1001-2.top:8080
  • http://fbi.su1001-2.top:80
  • http://fbi.su1001-2.top:443
  • http://185.172.128.146:443/d.py
  • http://185.172.128.146:443/bin.64
  • http://185.172.128.146:443/bi.64
  • http://185.172.128.146:443/bin
  • http://185.172.128.146/d.py
  • run.sck-dns.ws
  • run.sck-dns.cc
  • run.on-demand.pw
  • pwn.oracleservice.top
  • dw.c4kdeliver.top
  • c4k-ircd.pwndns.pw
  • syslog.target
  • network.target
  • multi-user.target
  • network-online.target
  • fbi.su1001-2.top

Attack Patterns

  • PwnRig
  • k4spreader
  • Tsunami
  • 8220 Mining Gang