Rewterz Threat Alert – Dridex Banking Trojan – Active IOCs

Severity

High

Analysis Summary

Dridex is a sophisticated strain of banking malware that targets the Windows platform, delivering spam campaigns to infect computers and steal banking credentials and other personal information to facilitate fraudulent money transfers. Through its history and development, Dridex has used several exploits and methods for execution, including modification of directory files, using system recovery to escalate privileges, and modification of firewall rules to facilitate peer-to-peer communication for extraction of data. The malware’s main use is to steal banking credentials and it has been attributed to the TA505 threat group (aka Evil Corp) known to have been active since at least Q3 2014.

Impact

• Credential theft
• Financial loss
• Exposure of sensitive data

Indicators of Compromise

MD5

• ea3cc91ae1d7da1d5509530560f69f30
• 0e0c3c9cea7e59a5aee7a7ab2dd03eb2
• c2b80fa119a1f182a24569df973f6b44

SHA-256

• 3280a91774e5c8df3749a4a0726b4f8c5c95d0cb6871fed865d240c50bed901f
• cbe787bb7f1bde6de95013dc2293281218ea4d19e38a35e8269da70353b96dcc
• 7c80c1cbca689063977ae3ea76bf38553e02819ecb28b48ec2b1c7d4633e6052

SHA-1

• d20d469fd924b4564621dc768a2d0ed9afcf0fae
• 4382b827fc1c3915d205e82384e1880146d4fc0a
• 68fd23b3b2acb7969ad4958a0eae8408b0c6aedc

URL

• http[:]//212[.]114[.]52[.]129[:]80/download/flnam[.]dll
• http[:]//37[.]120[.]239[.]185[:]80/download/dllmar[.]dll
• http[:]//145[.]249[.]106[.]39[:]80/download/cxas[.]dll
• http[:]//5[.]39[.]222[.]102[:]80/download/pdllod[.]dll

Remediation

• Block all threat indicators at their respective controls.
• Search all IOCs in your environment.