Flubot | Threat Level: critical | Type: Banking Trojan

Cryptographic Identifiers

SHA256fe52bed001f28a4b218bcd0ad31b92fb59022778cf68a1445cf3e8c612a5e04c
MD537be18494cd03ea70a1fdd6270cef6e3
File Typeapk
Size4279.9 KB
First Seen2021-07-06
File NameVoicemail.apk
Tagsapk, FluBot, signed, v4.7

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: fe52bed001f28a4b218bcd0ad31b92fb59022778cf68a1445cf3e8c612a5e04c
  • MD5: 37be18494cd03ea70a1fdd6270cef6e3

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: fe52bed001f28a4b"
        threat_level = "critical"
        first_seen = "2021-07-06"
    condition:
        hash.sha256(0, filesize) == "fe52bed001f28a4b218bcd0ad31b92fb59022778cf68a1445cf3e8c612a5e04c"
}

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 fe52bed001f28a4b218bcd0ad31b92fb59022778cf68a1445cf3e8c612a5e04c # MD5 37be18494cd03ea70a1fdd6270cef6e3
TypeValueNote
sha256 fe52bed001f28a4b218bcd0ad31b92fb59022778cf68a1445cf3e8c612a5e04c Sample:Flubot
md5 37be18494cd03ea70a1fdd6270cef6e3 Sample:Flubot
Tags
flubotbanking trojanmalwarecriticalsha256hash-analizi