Flubot | Threat Level: critical | Type: Banking Trojan

Cryptographic Identifiers

SHA2564d3ea6e701b950516b89a4be889a31635e9f892705f34345017d323bfcd6e110
MD56f049fc4e5f85d53d1aaa158412edca3
File Typeapk
Size4131.8 KB
First Seen2021-05-31
File NameDHL464.apk
Tagsapk, FluBot, signed, V4.4

Malware Family: Flubot

FluBot, SMS ile yayılan Android trojanıdır.

TypeBanking Trojan
Programming LanguageJava
Target PlatformAndroid
C2 ProtocolHTTPS
PurposeAndroid SMS trojan
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: 4d3ea6e701b950516b89a4be889a31635e9f892705f34345017d323bfcd6e110
  • MD5: 6f049fc4e5f85d53d1aaa158412edca3

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network — unplug ethernet, disable Wi-Fi
  2. Terminate suspicious processes from Task Manager
  3. Run a full system scan with Malwarebytes or Kaspersky
  4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
  5. Review newly created tasks in Task Scheduler
  6. Change all your account passwords from a clean device
  7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA Rule Hints

rule Flubot_SHA256 {
    meta:
        description = "Flubot sample: 4d3ea6e701b95051"
        threat_level = "critical"
        first_seen = "2021-05-31"
    condition:
        hash.sha256(0, filesize) == "4d3ea6e701b950516b89a4be889a31635e9f892705f34345017d323bfcd6e110"
}

Flubot — Malware Profile

FluBot, 2020-2022 Android SMS worm/banker. Sahte kargo SMS. Europol 2022 operasyonu. DGA C2.

Malware Type
Other
Programming Language
Java
C2 Protocol
HTTPS
Target Systems
Android

Technical Details

Botnet ailesi: IRC/HTTP C2, DDoS modulu (HTTP/SYN/UDP flood), spam relay, credential brute-force, mining modulu, komuta-kontrol altyapisi

Capabilities & Behavior

Zararlı Yazılım Aktivitesi
Kalıcılık Mekanizması
C2 İletişimi
Anti-Analiz

IOC List (2 indicators)

IOC — Flubot
# SHA256 4d3ea6e701b950516b89a4be889a31635e9f892705f34345017d323bfcd6e110 # MD5 6f049fc4e5f85d53d1aaa158412edca3
TypeValueNote
sha256 4d3ea6e701b950516b89a4be889a31635e9f892705f34345017d323bfcd6e110 Sample:Flubot
md5 6f049fc4e5f85d53d1aaa158412edca3 Sample:Flubot
Tags
flubotbanking trojanmalwarecriticalsha256hash-analizi