Flubot | Threat Level: critical | Type: Banking Trojan

Cryptographic Identifiers

SHA256b711fce602d19f10c34650842f610eeefb848e0d12e69d040db45bec67652bf6
MD5a7c8ad14f45770ee7890ebcf327a85f3
File Typeapk
Size3196.9 KB
First Seen2021-09-03
File Nameb711fce602d19f10c34650842f610eeefb848e0d12e69d040db45bec67652bf6.apk
Tagsapk, FluBot, v4.8

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: b711fce602d19f10c34650842f610eeefb848e0d12e69d040db45bec67652bf6
  • MD5: a7c8ad14f45770ee7890ebcf327a85f3

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: b711fce602d19f10"
        threat_level = "critical"
        first_seen = "2021-09-03"
    condition:
        hash.sha256(0, filesize) == "b711fce602d19f10c34650842f610eeefb848e0d12e69d040db45bec67652bf6"
}

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 b711fce602d19f10c34650842f610eeefb848e0d12e69d040db45bec67652bf6 # MD5 a7c8ad14f45770ee7890ebcf327a85f3
TypeValueNote
sha256 b711fce602d19f10c34650842f610eeefb848e0d12e69d040db45bec67652bf6 Sample:Flubot
md5 a7c8ad14f45770ee7890ebcf327a85f3 Sample:Flubot
Tags
flubotbanking trojanmalwarecriticalsha256hash-analizi