腾讯安全御见威胁感知系统聚类出T-F-278915恶意家族,经分析该家族样本会窃取多种虚拟货币、窃取多国(包含中文、日文、希腊语)银行账户登录凭证,删除用户的浏览器信息,并利用用户电脑进行IQ虚拟货币挖矿等行为。
该木马感染后监测到用户进行网银、支付相关的操作时,会复制剪贴板信息、截屏、进行键盘记录,将中毒电脑隐私信息上传,通过创建任务计划、添加启动项实现开机自动加载,病毒在做这些操作时,顺便利用中毒机器的算力挖矿。
具体注入过程:把Framework目录下的RegSvcs.exe、aspnet_compiler.exe、RegAsm.exe、InstallUtil.exe拷贝到样本所在目录,从http://paste.ee/r/Jcre9、http://paste.ee/r/jeDt4、http://pastebin.com/raw/XMKKNkb0处下载经过base64加密的代码,这几处网址虽然已经失效,但从其中一处给出的参数"–neoscrypt -g 1 -I 8 -o stratum+tcp://hub.miningpoolhub.com:20510 -O pastet3i905hmi.workergpu:password"判断是IQ虚拟货币挖矿,代码如下:
把自身拷贝到C:\Users\Administrator\AppData\Local\_foldernamelocalappdata_\目录下,文件尾部追加guid;
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