Dancho Danchev's Blog - Mind Streams of Information Security Knowledge

We've recently intercepted, a currently, circulating, malicious, campaign, affecting, hundreds, of Web sites, and exposing, users, to, a, multi-tude, of, malicious, software.

In this post, we'll profile, the campaign, provide malicious MD5s, expose, the, infrastructure, behind, it, and, discuss, in-depth, the, tactics, techniques, and, procedures, of, the, cybercriminals, behind it.

Malicious URLs used in the campaign:
hxxp://default7.com - 199.48.227.25
hxxp://test246.com - 54.208.99.166
hxxp://test0.com - 72.52.4.119
hxxp://distinctfestive.com - 54.208.99.166
hxxp://ableoccassion.com - 54.208.99.166

Sample malware used in the campaign:
MD5: 9854f14ca653ee7c6bf6506d823f7371

Once executed, a, sample, malware, phones, back, to, the, following, C&C server:
hxxp://intva31.homelandcustom.info (52.6.18.250)

Known to have phoned back to the same malicious C&C server IP (54.208.99.166), are, also, the, following, malicious, MD5s:
MD5: fd368af200fd835687997ca2a4a0389b
MD5: c0379cda1717d1e05c938f8e06c04a46
MD5: 60eef5b116579d75b272a61e40716bc0
MD5: 8481f23748358fbfd5c36cea53c90793
MD5: 0953f8ec3f0001b3e5f3490203135def

Once executed, a, sample, malware, phones, back, to, the, following, C&C servers:
hxxp://ii55.net (69.172.201.153)
hxxp://rwai.net (54.208.99.166)

Known to have phoned back to the same malicious C&C server IP (69.172.201.153) are also the following malicious MD5s:
MD5: 5979f69be8b6716c0832b6831c398914
MD5: a27083ff19b187cbc64644bc10d2af11
MD5: b9306bb08ac502c7bcaf3d7e0cd9d846
MD5: cd34980dda700d07b93eef7910a2a8be
MD5: b708860e7962b10e26568c9b037765df

Known to have phoned back to the same malicious C&C server IP (54.208.99.166) are also the following malicious MD5s:
MD5: 9854f14ca653ee7c6bf6506d823f7371
MD5: 90a88230d5b657ced3b2d71162a33cff
MD5: 70465233d93aa88868d7091454592a80
MD5: f8e21525c6848f45e4ab77aee05f0a28

Related malicious MD5s known to have phoned back to the same malicious C&C server (54.208.99.166):
MD5: fd368af200fd835687997ca2a4a0389b
MD5: c0379cda1717d1e05c938f8e06c04a46
MD5: 60eef5b116579d75b272a61e40716bc0
MD5: 8481f23748358fbfd5c36cea53c90793
MD5: 0953f8ec3f0001b3e5f3490203135def

We'll continue, monitoring, the, campaign, and, post, updates, as, soon, as, new, developments, take, place.