Flubot | Threat Level: critical | Type: Banking Trojan

Cryptographic Identifiers

SHA256c4290560c6776b09f188deb80d27250bddaae123c201ac29391be4aef523f48d
MD58b6c4905f8f93af27e60b502621e03f6
File Typeapk
Size4264.9 KB
First Seen2021-09-29
File Namesample.apk
Tagsapk, FluBot

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: c4290560c6776b09f188deb80d27250bddaae123c201ac29391be4aef523f48d
  • MD5: 8b6c4905f8f93af27e60b502621e03f6

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: c4290560c6776b09"
        threat_level = "critical"
        first_seen = "2021-09-29"
    condition:
        hash.sha256(0, filesize) == "c4290560c6776b09f188deb80d27250bddaae123c201ac29391be4aef523f48d"
}

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 c4290560c6776b09f188deb80d27250bddaae123c201ac29391be4aef523f48d # MD5 8b6c4905f8f93af27e60b502621e03f6
TypeValueNote
sha256 c4290560c6776b09f188deb80d27250bddaae123c201ac29391be4aef523f48d Sample:Flubot
md5 8b6c4905f8f93af27e60b502621e03f6 Sample:Flubot
Tags
flubotbanking trojanmalwarecriticalsha256hash-analizi