Dridex Malware Analysis

File Properties

SHA256: fad0cecec2b7f448148ea2be04e59637b2439580d9c58d2d59c5bd44af33b4dd

MD5: 76c9558a0cd42098b2c6e72f2264c1b0

File Type: dll

Size: 786,432 byte

First Seen: 2021-11-24

AV Signature: Dridex

Imphash: d179952d1193e1cd0ba3af2a8e8a650b

Reported By: SecuriteInfoCom

Tags: dll, Dridex

Static analysis: metadata-based (sample not downloaded)

Dridex — Malware Profile

Dridex Bugat TA505 banking trojan. Chrome/Firefox form hooking with obfuscated strings. DirectUI RTTI.

Malware Type
Other
Programming Language
C++
C2 Protocol
HTTPS
Target Systems
Windows
Also Known As (AKA)
Bugat

Technical Details

Dridex (Bugat/Cridex) is a modular banking trojan operated by TA505/Evil Corp since 2011. Uses peer-to-peer botnet architecture for C2 communication to resist takedowns. Modules: form grabber, VNC backdoor, network proxy, credential stealer, spread module. Encrypted communication: RC4 + custom protocol over HTTP. Delivered via Microsoft Office macro phishing (VBA macros). Used to deliver: BitPaymer, WastedLocker, Grief (PayOrGrief) ransomware. Evil Corp sanctioned by US Treasury October 2019, making ransom payments illegal for US entities. Dridex infrastructure heavily overlaps with Locky ransomware campaigns. Botnet IDs (bot IDs): 220, 444, 7777, multiple active botnets simultaneously.

Attribution / Threat Actor

Evil Corp (TA505), Maksim Yakubets (indicted by FBI)

Capabilities & Behavior

Zararlı Yazılım Aktivitesi
Kalıcılık Mekanizması
C2 İletişimi
Anti-Analiz

IOC List (1 indicators)

IOC — Dridex
# FILEPATH fad0cecec2b7f448148ea2be04e59637b2439580d9c58d2d59c5bd44af33b4dd
TypeValueNote
filepath fad0cecec2b7f448148ea2be04e59637b2439580d9c58d2d59c5bd44af33b4dd PDB

C2 Servers (3 recorded servers for this family)

Address Type Port Protocol Status Country
79.141.164.52 ip 4444 TCP sinkholed RO
185.234.218.151 ip 4444 HTTPS sinkholed RU
77.73.133.84 ip 443 HTTPS sinkholed BG

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
dllDridex