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FTcode ransomware targeted European organizations with phishing emails masquerading as company or court notifications and delivering oversized malicious archives intended to evade sandbox analysis. The infection chain used obfuscated VBScript droppers and attacker-controlled scripting to launch PowerShell, download additional payloads from .top domains, register victims with command-and-control infrastructure, and establish persistence through scheduled tasks before retrieving the ransomware payload.
A later FTcode variant expanded beyond encryption by stealing credentials from Chrome, Firefox, Thunderbird, Outlook, and Internet Explorer and exfiltrating them to the attacker. The malware stored victim identifiers locally, repeatedly polled its C2 servers, and in some cases delayed ransomware deployment for hours or days after the initial compromise, showing a shift toward a more flexible intrusion workflow built around scripting activity consistent with MITRE ATT&CK T1064.
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Compared with the early January 2020 activity, the threat actor later updated FTcode to add credential dumping from Microsoft Outlook and Internet Explorer alongside its ransomware staging behavior.
The analysis states there was earlier FTcode activity in early January 2020, providing the baseline for later comparisons in the campaign's evolution.
A newer FTCODE version broadened its credential-stealing capability beyond Outlook and Internet Explorer to also target Mozilla Firefox, Mozilla Thunderbird, and Google Chrome. The report describes this as part of the malware's evolving data-theft functionality.
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Phishing emails and malicious websites were used to trick users into launching **PowerShell**-driven malware chains that installed infostealers and stole credentials, clipboard data, and host information. In one case, an EDR alert on a finance user’s device showed `msedge.exe` spawning `powershell.exe`, followed by `curl.exe`, a downloaded DLL, and `rundll32.exe`; the decoded Base64 command used an `IEX` and `Net.WebClient.DownloadString` pattern to retrieve remote code after the user clicked an “Outstanding Invoice — Action Required” lure. The payload was identified as an **AgentTesla** variant, and responders isolated the host, revoked session tokens, reset credentials, and found two additional recipients of the same phishing email, though only one clicked and SmartScreen blocked the download. A related intrusion used a phishing site that instructed victims to open PowerShell as administrator and paste an encoded command copied to the clipboard, leading to the download of a ZIP archive and execution of `updater.exe`, a packed PyInstaller-based **DXI Infostealer** sample. The malware used a **UAC bypass** via the `ms-settings` registry hijack and `computerdefaults.exe`, added Microsoft Defender exclusions, disabled protections, collected system, network, antivirus, clipboard, screenshot, and browser-related data, and packaged the results with `rar.exe` before exfiltrating them through the **Telegram API** as command-and-control. The activity showed a consistent pattern of social engineering, PowerShell abuse, defense evasion, staged payload delivery, and HTTPS or Telegram-based data theft.
Jun 29, 2026
Researchers analyzed multiple **AgentTesla** infection chains that begin with heavily obfuscated **JScript** files executed by `wscript.exe`, often delivered as phishing attachments and, in one case, an RFQ-themed spear-phishing lure named **"RFQ No 600002389875 RG724.JS"**. The scripts used layered evasion including centralized string arrays, index arithmetic, control-flow flattening, junk code, string reversal, delimiter noise, and a regex-based anti-debugging technique. In the Firebase-backed variant, the dropper retrieved a second-stage PowerShell payload from a **Google Firebase Storage** bucket, saved it to `C:\Temp\` under a randomized filename, and launched it with execution-policy bypass and hidden-window options, allowing malicious traffic to blend with trusted Google infrastructure. A related loader variant dropped PE payloads disguised as `.png` files into `C:\Users\Public\`, executed PowerShell in memory through a base64-decoded `IEX` command, and established persistence via the **`HKCU\Run`** registry key. The activity was linked to commodity cybercrime and the **AgentTesla** credential-theft family, which is commonly associated with credential harvesting, keylogging, screenshot capture, and data exfiltration over **SMTP**, **FTP/FTPS**, or **HTTP/HTTPS**. Detection remained relatively low across samples, with reports citing **14/76** and **20/76** antivirus detections at initial analysis, underscoring the effectiveness of the campaign’s obfuscation and abuse of legitimate cloud services.
Jun 29, 2026
Multiple reports describe **active malware campaigns targeting Windows users** with a focus on **credential, session, and wallet theft** delivered through social engineering and abuse of legitimate services. **CharlieKirk Grabber**, a Python infostealer packaged with *PyInstaller*, is distributed via phishing, cracked software, cheats, and social-media lures; it kills browser processes (via `TASKKILL`) to access credential stores, collects passwords/cookies/autofill/Wi‑Fi data, zips the loot, uploads it to *GoFile*, and relays the download link to operators via **Discord webhooks** or **Telegram bots**. Separately, attackers are buying **Facebook ads** impersonating Microsoft to drive victims to cloned Windows 11 download pages on lookalike domains (e.g., `ms-25h2-update[.]pro`), delivering a malicious installer that steals saved passwords, browser sessions, and **cryptocurrency wallet** data; the campaign uses **geofencing/sandbox evasion** to show benign content to data-center IPs while serving malware to likely end users. Other contemporaneous activity highlights broader Windows-targeted intrusion tradecraft and adjacent threats. FortiGuard Labs reported **Winos 4.0 (ValleyRat)** phishing campaigns in Taiwan using tax and e-invoice lures, with delivery chains including malicious **LNK** downloaders, **DLL sideloading**, and **BYOVD** using the vulnerable driver `wsftprm.sys`, supported by rapidly rotating domains and cloud hosting. In LATAM, a fake bank-receipt lure delivers **XWorm v5.6** via a `.pdf.js` double-extension WSH dropper that uses junk-padding and Unicode obfuscation, then reconstructs and runs PowerShell (spawned via WMI) and abuses trusted hosting (e.g., Cloudinary) for later stages—enabling credential theft and potential ransomware follow-on. Additional reporting covered a USB-propagating **Monero cryptomining** operation capable of crossing air-gapped environments, a new Linux **SysUpdate** variant with encrypted C2 traffic (and a Unicorn Engine-based decryption approach developed during DFIR), and the **Foxveil** loader abusing **Cloudflare Pages, Netlify, and Discord** to stage shellcode and persist via services or *SysWOW64* masquerading—these are separate threats but reinforce the trend of attackers blending into trusted infrastructure and common user workflows.
Jun 29, 2026