Cryptographic Identifiers
| SHA256 | c4b4cff7a59ccfa3a72a64fca76c946f81007ee310d623854f38d2fef2a2fb66 |
|---|---|
| MD5 | 3b5c90c7cb249e07f6b424dbceb0b633 |
| File Type | dll |
| Size | 476.0 KB |
| First Seen | 2021-12-06 |
| File Name | 3b5c90c7cb249e07f6b424dbceb0b633 |
| Tags | 32, dll, Dridex, exe |
Malware Family: Dridex
Dridex, Evil Corp trojanıdır.
| Type | Banking Trojan |
|---|---|
| Programming Language | C++ |
| Target Platform | Windows |
| C2 Protocol | HTTPS |
| Purpose | Bankacılık trojanı |
| First Seen Year | 2012 |
| Aliases | Bugat |
Threat Indicators (IOC)
- SHA256:
c4b4cff7a59ccfa3a72a64fca76c946f81007ee310d623854f38d2fef2a2fb66 - MD5:
3b5c90c7cb249e07f6b424dbceb0b633
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network — unplug ethernet, disable Wi-Fi
- Terminate suspicious processes from Task Manager
- Run a full system scan with Malwarebytes or Kaspersky
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
- Review newly created tasks in Task Scheduler
- Change all your account passwords from a clean device
- Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın
YARA Rule Hints
rule Dridex_SHA256 {
meta:
description = "Dridex sample: c4b4cff7a59ccfa3"
threat_level = "critical"
first_seen = "2021-12-06"
condition:
hash.sha256(0, filesize) == "c4b4cff7a59ccfa3a72a64fca76c946f81007ee310d623854f38d2fef2a2fb66"
}
Dridex — Malware Profile
Dridex Bugat TA505 banking trojan. Chrome/Firefox form hooking with obfuscated strings. DirectUI RTTI.
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
IOC List (2 indicators)
# SHA256
c4b4cff7a59ccfa3a72a64fca76c946f81007ee310d623854f38d2fef2a2fb66
# MD5
3b5c90c7cb249e07f6b424dbceb0b633
| Type | Value | Note |
|---|---|---|
| sha256 | c4b4cff7a59ccfa3a72a64fca76c946f81007ee310d623854f38d2fef2a2fb66 | Sample:Dridex |
| md5 | 3b5c90c7cb249e07f6b424dbceb0b633 | Sample:Dridex |
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.