AgentTesla — overdue invoice.hta [921f390d]

Cryptographic Identifiers

Malware Family: AgentTesla

Agent Tesla, 2014'ten beri aktif keylogger'dır.

Threat Indicators (IOC)

• SHA256: 921f390d5cff31a434ff7a4ed7d3d9400abf6fd73cb4694b3c4892aa6afcba9c
• MD5: c096f6b7d5b3becd87e19c13d9255873

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 AgentTesla_SHA256 {
    meta:
        description = "AgentTesla sample: 921f390d5cff31a4"
        threat_level = "high"
        first_seen = "2026-06-23"
    condition:
        hash.sha256(0, filesize) == "921f390d5cff31a434ff7a4ed7d3d9400abf6fd73cb4694b3c4892aa6afcba9c"
}