FormBook — SecuriteInfo.com.Trojan.FbngENT.1.24657. [d1654ee1]

Cryptographic Identifiers

Malware Family: FormBook

FormBook, MaaS infostealer'dır.

Threat Indicators (IOC)

• SHA256: d1654ee1272baee707f1ac0f158be80be347af9a3a15927ad8ba51dcfc35e2d3
• MD5: bb38405ab2f42da9d35b351057c2e0a2

System Cleanup Guide

1. Disconnect the system from the network immediately
2. Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
3. Move crypto wallets to a new address and abandon the old ones
4. Start a full scan with up-to-date antivirus
5. Clear saved browser passwords and enable 2FA
6. Sign out of all sessions on every affected service

YARA Rule Hints

rule FormBook_SHA256 {
    meta:
        description = "FormBook sample: d1654ee1272baee7"
        threat_level = "high"
        first_seen = "2026-06-10"
    condition:
        hash.sha256(0, filesize) == "d1654ee1272baee707f1ac0f158be80be347af9a3a15927ad8ba51dcfc35e2d3"
}