Rewterz Threat Advisory – 2018’s Most Exploited Unpatched Vulnerabilities in Microsoft Products

March 20, 2019

Rewterz Threat Advisory – CVE-2019-6534 AVEVA Uncontrolled Search Path Element Vulnerability

March 21, 2019

Rewterz Threat Alert – Cardinal RAT Resurfaces with Fresher Attacks

March 20, 2019

Severity

Medium

Analysis Summary

A hideous malware family called Cardinal RAT has resurfaced after remaining undetected for over two years. The malware is delivered via a unique downloader named Carp Downloader. A series of attacks has been observed using an updated version of Cardinal RAT. A series of modifications have been made to the RAT, many of which are used to evade detection and hinder analysis.

Impact

Cardinal RAT

Indicators of Compromise

IP(s) / Hostname(s)	s[.]spotmacro[.]online secure[.]dropinbox[.]pw secure[.]spotoption[.]pw s[.]dropinbox[.]host
URLs	affiliatecollective[.]club https://gitlab.com/githubuser/testing/commits/master hxxps[:]//www[.]digitalpoint[.]com/members/bitbox123[.]922831/
Malware Hash (MD5/SHA1/SH256)	0097dd7676b810bd0c1c70d8c86604c830e1e8e88f6a13c3869747faba381076 00f93492edb3274f71686fa469f6c9031a94292a2776c623a1596f710bf4eaa1 0212334200668ac64cb63fc1a4f4ea17e956f6928a2211c945c2e07f1b25a3ef 02e85f39adf8613fd1be610e4e76f4fac08949f2e0198e8cf89a7c3a17cdd6d9 0438becfd66d728778f47d734d2f0bc4d1462d945cf4b6dde9fbf627eb0bb02d 057965e8b6638f0264d89872e80366b23255f1a0a30fd4efb7884c71b4104235 06151c14153e983ae7ab793c7cd0e5ac3faf8e200894955b02e1191429eff29a 06f1348c8a2ffab67627556075ddcad92998526d4d3802b9c2357d169531825f 0716f3f9cb0dead0c1f156a07adfeb3e0d72e4ea4af7b67238fae3e1ae670f90 08ce077e8d54db08ede1095d03286146d04e8cbce74ec91a9fc7b9d0a99ddb9f 0afec067628e901f7151861b0924ffb1909d21a707177b1e6cf2c8d491bb1a60 0fabc65c316e8d84493d07cd39bfdd59481af9f9a7ebc9103693f1788438a438 101af6fdb990e5e9584382a65f5cee7efd9e89c38e928beca18419bdf70ef076 10f53502922bf837900935892fb1da28fc712848471bf4afcdd08440d3bd037f 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Remediation

Block the threat indicators at their respective controls.

Platform

Managed Security Services

Managed Penetration Testing

Assess

Transform

Train

Respond

Resources

Rewterz Threat Alert – Rhadamanthys Stealer – Active IOCs

Rewterz Threat Alert – Mirai Botnet aka Katana – Active IOCs

Rewterz Threat Alert – LockBit Ransomware – Active IOCs

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