Flubot | Threat Level: critical | Type: Banking Trojan

Cryptographic Identifiers

SHA256ea6776fac45c8844242fdb566a17e70569813298235567bbe9fa0dd062f1160b
MD5891d5d2c397e9ad5fed5685f78657d4b
File Typeapk
Size4760.9 KB
First Seen2021-10-18
File NameVoicemailx30.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: ea6776fac45c8844242fdb566a17e70569813298235567bbe9fa0dd062f1160b
  • MD5: 891d5d2c397e9ad5fed5685f78657d4b

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: ea6776fac45c8844"
        threat_level = "critical"
        first_seen = "2021-10-18"
    condition:
        hash.sha256(0, filesize) == "ea6776fac45c8844242fdb566a17e70569813298235567bbe9fa0dd062f1160b"
}

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 ea6776fac45c8844242fdb566a17e70569813298235567bbe9fa0dd062f1160b # MD5 891d5d2c397e9ad5fed5685f78657d4b
TypeValueNote
sha256 ea6776fac45c8844242fdb566a17e70569813298235567bbe9fa0dd062f1160b Sample:Flubot
md5 891d5d2c397e9ad5fed5685f78657d4b Sample:Flubot
Tags
flubotbanking trojanmalwarecriticalsha256hash-analizi