FormBook | 威胁等级: high | 类型: Infostealer

加密标识符

SHA256814e9182e488fc28c23dbe7a004846b6aa709a1cb31a11e335f5a20d2a7fd35b
MD5e5a6cf272b9d1191e74ce2c9f64064e2
文件类型exe
大小955.0 KB
首次发现2026-06-08
文件名814e9182e488fc28c23dbe7a004846b6aa709a1cb31a11e335f5a20d2a7fd35b
标签exe, FormBook

恶意软件家族: FormBook

FormBook, MaaS infostealer'dır.

类型Infostealer
编程语言C
目标平台Windows
C2 协议HTTP
用途Form verisi, tuş kaydı
首次发现年份2016
别名xLoader

威胁指标 (IOC)

  • SHA256: 814e9182e488fc28c23dbe7a004846b6aa709a1cb31a11e335f5a20d2a7fd35b
  • MD5: e5a6cf272b9d1191e74ce2c9f64064e2

系统清理指南

  1. 立即将系统从网络断开
  2. Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
  3. 将加密钱包转移到新地址，弃用旧钱包
  4. 使用最新的杀毒软件启动全盘扫描
  5. 清除浏览器保存的密码并启用双重验证
  6. 在所有受影响的服务中退出全部会话

YARA 规则提示

rule FormBook_SHA256 {
    meta:
        description = "FormBook sample: 814e9182e488fc28"
        threat_level = "high"
        first_seen = "2026-06-08"
    condition:
        hash.sha256(0, filesize) == "814e9182e488fc28c23dbe7a004846b6aa709a1cb31a11e335f5a20d2a7fd35b"
}

FormBook — 恶意软件档案

FormBook web form verisi ve credential hırsızı. SmartAssembly paketleyici. İspanyolca LATAM elektrik faturası lür.

恶意软件类型
Infostealer
编程语言
C
C2协议
HTTP
目标系统
Windows
别名 (AKA)
xLoader

技术细节

C dili, Windows API hooking (form grabbing), HTTP POST C2, browser form stealer, keylogger, screenshot, clipboard monitor, process injection (process hollowing)

归因 / 威胁行为者

ABD'de gelistirilmis; satis darknet forumlari uzerinden yapilmis. Dunya genelindeki multuple suc gruplarina hizmet veren MaaS platformu.

能力与行为

Tarayıcı Kimlik Bilgileri
Çerez Hırsızlığı
Kripto Cüzdan Çalma
Sistem Bilgisi
Ekran Görüntüsü
FTP/SSH İstemci Şifreleri
E-posta İstemcisi Çalma
Veri Sızıntısı

IOC列表 (19 个指标)

IOC — FormBook
# SHA256 814e9182e488fc28c23dbe7a004846b6aa709a1cb31a11e335f5a20d2a7fd35b # MD5 e5a6cf272b9d1191e74ce2c9f64064e2 # IP 103.75.160.239 # IP 185.225.75.143 # IP 45.61.136.16 # DOMAIN form-data-collector.com # DOMAIN cloudflare-cdn-analytics.com # DOMAIN api-tracker-stats.net # DOMAIN form-book.club # DOMAIN hxxp://freeupgrades.net/s1xt/ # MUTEX FBMT_7d4a2x_mutex # MUTEX FORM_BOOK_MUTEX # REGISTRY HKCUSoftwareMicrosoftWindowsCurrentVersionRunFormBook # FILEPATH C:ProgramData[random].exe # FILEPATH %TEMP%fbook_tmp.exe # EMAIL formgrab_panel@tutanota.com # EMAIL collector@mailerserver.net # EMAIL receive@formbook-panel.com # URL https://maliciousoffice.ru/gate.php
类型值备注
sha256 814e9182e488fc28c23dbe7a004846b6aa709a1cb31a11e335f5a20d2a7fd35b
md5 e5a6cf272b9d1191e74ce2c9f64064e2
ip 103.75.160.239 C2:443
ip 185.225.75.143 FormBook C2 panel EU
ip 45.61.136.16 C2:80
domain form-data-collector.com FormBook HTTP C2 domain
domain cloudflare-cdn-analytics.com FormBook typosquatting Cloudflare domain
domain api-tracker-stats.net FormBook tracker C2
domain form-book.club C2:80
domain hxxp://freeupgrades.net/s1xt/ C2:80
mutex FBMT_7d4a2x_mutex FormBook HTTP C2 mutex pattern
mutex FORM_BOOK_MUTEX FormBook mutex variant
registry HKCUSoftwareMicrosoftWindowsCurrentVersionRunFormBook FormBook autorun
filepath C:ProgramData[random].exe FormBook injection loader
filepath %TEMP%fbook_tmp.exe FormBook gecici dosya
email formgrab_panel@tutanota.com FormBook operator email - Tutanota
email collector@mailerserver.net FormBook web panel exfiltration
email receive@formbook-panel.com FormBook form data alici e-posta
url https://maliciousoffice.ru/gate.php FormBook HTTP C2 gate
FormBook — 查看完整档案 →

C2服务器 (该家族共有 5 台已记录服务器)

地址 类型 端口 协议 状态 国家
45.61.136.16 ip 80 HTTP active US
hxxp://freeupgrades.net/s1xt/ domain 80 HTTP inactive US
103.75.160.239 ip 443 HTTPS inactive HK
3.29.19.86 ip — TCP inactive —
form-book.club domain 80 HTTP sinkholed —

C2 地址仅来自 KEYDAL 团队人工验证的恶意软件样本。禁止用于商业用途。

标签
formbookinfostealermalwarehighsha256analizzenginleştirilmiş