FormBook — TAM0018.JS [97d38f35]

Cryptographic Identifiers

Malware Family: FormBook

FormBook, MaaS infostealer'dır.

Threat Indicators (IOC)

• SHA256: 97d38f358fcd1829bd281b8218e7ee32cd2ea0b0e649adea2dc25ecf168751a8
• MD5: 6938070b1b9f9ad45f99b27d20d109cf

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: 97d38f358fcd1829"
        threat_level = "high"
        first_seen = "2026-06-15"
    condition:
        hash.sha256(0, filesize) == "97d38f358fcd1829bd281b8218e7ee32cd2ea0b0e649adea2dc25ecf168751a8"
}