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Group-IB reported that SilabRAT is being sold as a malware-as-a-service remote access trojan on Russian-language darkweb forums, with subscriptions advertised at $5,000 per month and linked to the Russian-speaking developer o1oo1. The malware has been observed in spam and ClickFix campaigns, where security tools often identify the packer as HijackLoader instead of the underlying payload, helping the RAT evade straightforward detection. Unlike centralized crimeware operations, SilabRAT uses operator-hosted infrastructure, allowing each buyer to run their own command-and-control server and keep victim data under their control.
SilabRAT is built for stealthy remote access, account takeover, and cryptocurrency theft. Group-IB said its features include HiddenVNC, browser profile cloning, cookie theft, a Chrome App-Bound Encryption bypass via GoogleChromeElevationService COM elevation, AMSI bypass, UAC bypass through ICMLuaUtil, persistence with Registry Run keys and Scheduled Tasks, keylogging, clipboard monitoring, remote desktop, payload delivery, and process execution. The malware also targets crypto users by stealing wallet artifacts, attempting wallet password cracking with harvested browser credentials, and supporting crypto-clipping, while planned updates reportedly include customizable Electron injection against applications such as Ledger Wallet and Trezor Suite.
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On June 10, 2026, Group-IB published a technical analysis of SilabRAT, describing its MaaS model, links to developer “o1oo1,” operator-hosted infrastructure, and planned future development such as customizable Electron injection. The report highlighted stealth, account takeover, and crypto-theft functionality.
Group-IB said SilabRAT was observed in real-world spam and ClickFix campaigns, where antivirus products often identified the packer as HijackLoader instead of detecting the SilabRAT payload. The report also detailed the malware’s remote access, credential theft, and cryptocurrency-targeting capabilities.
Group-IB reported that SilabRAT had been sold as a Malware-as-a-Service on Russian-language darkweb forums since at least September 2025, with subscriptions advertised at $5,000 per month. The malware was associated with the Russian-speaking developer known as “o1oo1.”
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Researchers documented several **multi-stage malware campaigns** delivering remote-access trojans including **NetSupport RAT**, **Agent Tesla**, **Remcos RAT**, and **CastleRAT/NightShadeC2** through obfuscated scripts, phishing lures, and malicious installers. One NetSupport intrusion used Microsoft SafeLinks redirection, intermediary URLs, obfuscated JavaScript, and hidden PowerShell to fetch ZIP payloads via BITS, then launched `client32.exe` from an `%AppData%\aragdrts` folder and established persistence through scheduled tasks, Startup entries, and Registry Run keys. Separate analyses of Agent Tesla and Remcos samples showed BAT, CMD, JavaScript, and PowerShell stages that decoded or decrypted .NET payloads, with Agent Tesla configured for credential theft, keylogging, screen capture, and SMTP-based exfiltration, while Remcos included functions to disable Microsoft Defender and persist by copying its launcher into the Windows Startup path. A later intrusion report showed how these commodity malware chains are being used for **immediate fraud operations** rather than only initial access. In that case, a malicious `CarrierRegistration.msi` delivered **Matanbuchus**, then **NetSupport RAT**, **Remcos RAT**, and finally **CastleRAT**, which was used to harvest browser credentials and proxy the victim’s live browser session into financial-site login attempts from the compromised host. The activity indicates a shift from simple information theft toward **hands-on-keyboard account takeover**, where attackers exploit stolen sessions and local browser context directly to evade fraud controls tied to device, IP, and session reputation.
Jul 7, 2026
Security researchers reported several unrelated **remote access trojan (RAT)** delivery campaigns using different initial access vectors and lures. Seqrite Labs described “**Operation Covert Access**,” a spear‑phishing operation targeting Argentina’s judiciary with a ZIP attachment containing a convincing court-resolution decoy; execution is triggered by a malicious `LNK` masquerading as a PDF, which launches hidden PowerShell to fetch additional stages from a GitHub repository, culminating in a custom **Rust-based RAT** that attempts to blend in by renaming itself (e.g., `msedge_proxy.exe`). Separately, AhnLab Security Intelligence Center reported South Korea-focused activity distributing **RemcosRAT** through illegal online gambling-related tools and trojanized *VeraCrypt* installers, using embedded malicious VBS scripts and a multi-stage chain that ultimately deploys a RAT capable of surveillance and data theft (e.g., keylogging, screenshot/webcam/mic capture, credential/data harvesting). Another campaign documented by ReliaQuest abused **LinkedIn private messages** to deliver a bundled legitimate application alongside a malicious DLL for **DLL sideloading**, enabling RAT deployment under the guise of a trusted process; the reporting emphasized that social platforms can serve as effective phishing channels beyond email and that the technique is portable to other commonly used business messaging platforms.
Jun 29, 2026
Multiple campaigns are using phishing emails and archive-based lures to deliver remote access malware through stealthy, multi-stage infection chains. Point Wild documented **Remcos RAT**, **DesckVB RAT**, and a Rust-based **COVERT RAT** being delivered through ZIP attachments, weaponized `LNK` files, obfuscated JavaScript droppers, and hidden PowerShell execution, often with decoy documents to mask activity. The payloads were loaded filelessly through .NET reflection and in-memory execution, with operators abusing legitimate binaries and services such as `aspnet_compiler.exe`, GitHub, and paste or web-hosting platforms to stage malware while evading detection. Reported command-and-control infrastructure included `192.3.27.141:8087`, `172.245.246.77:8080`, and `181.231.253.69:4444`, while observed artifacts included `C:\ProgramData\remcos\logs.dat`, `C:\ProgramData\colors\logs.dat`, and payload names such as `ALTERNATE.dll`, `ClassLibrary3.dll`, `Keylogger.dll`, and `msedge_proxy.exe`. Separate reporting showed the same tradecraft extending beyond custom RATs to commodity remote-access software and credential theft. A campaign targeting Russian aerospace and aviation organizations used invoice-themed phishing and spoofed domains to install a portable **AnyDesk** instance for unattended access, maintain persistence with a scheduled task, minimize visibility with Tray Minimizer, and exfiltrate configuration data through a command-line SMTP mailer; Seqrite linked the activity to **Rare Werewolf (Librarian Ghouls)**. Securonix research cited by Trojan Killer described **VEIL#DROP** using fake document-style JavaScript files, Blogspot-hosted staging, PowerShell download cradles, XOR decoding, and in-memory .NET loading to deploy **PureLog Stealer**, which targets browser credentials, cookies, session tokens, wallet data, and host information. Across the campaigns, the common pattern is phishing-led initial access followed by LOLBins, PowerShell, staged downloads, persistence, and covert data theft or long-term remote control.
Jul 12, 2026