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A sophisticated malware campaign used the DoubleFinger loader to deliver the GreetingGhoul cryptocurrency stealer through malicious .pif email attachments, with some observed samples instead deploying Remcos RAT. The intrusion chain relied on multiple staged shellcode loaders, steganography using PNG files, and DLL sideloading through a legitimate java.exe binary to advance execution while blending into normal activity.
Later stages used low-level Windows API techniques and Process Doppelgänging to evade security controls before launching GreetingGhoul, which targeted cryptocurrency users by displaying fake wallet overlays built with Microsoft WebView2 and stealing sensitive wallet data, including recovery phrases. Reported victimology spanned Europe, the United States, and Latin America, and Russian-language artifacts in the malware suggested—but did not confirm—a possible link to operators from the post-Soviet region.
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Securelist published technical details on the DoubleFinger multi-stage loader, describing how it is delivered via malicious PIF email attachments and used to deploy the GreetingGhoul cryptocurrency stealer, with some samples instead delivering Remcos RAT. The report also noted victims in Europe, the United States, and Latin America and published indicators of compromise including the C2 domain cryptohedgefund[.]us.
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Researchers documented several **multi-stage malware campaigns** that used phishing lures, fake software updates, and DLL sideloading to deploy credential theft and remote access payloads. In one June 2026 intrusion targeting a small number of German financial institutions, a spear-phishing email posing as an urgent VPN update delivered a 7-Zip self-extracting archive that dropped a signed copy of **Radmin VPN** alongside a trojanized `Qt5Core.dll`, launching **HijackLoader** and ultimately **Vidar v2.1** through process hollowing into a signed `dBpoweramp` binary. A parallel chain used Opera sideloading to install **SnappyClient RAT**. Separate reporting also described a targeted Spanish-language phishing lure that delivered a password-protected archive containing a .NET loader and a byte-reversed DLL payload, as well as a fake browser update chain that used a signed **G DATA AntiVirus** binary to sideload **PlugX** linked to suspected **Mustang Panda** activity. Across the cases, the malware families showed strong emphasis on **credential theft, stealth, and layered execution**. Vidar samples were observed harvesting browser passwords, cookies, screenshots, FileZilla and WinSCP data, and cryptocurrency wallet information, while also bypassing Chromium App-Bound Encryption by launching legitimate Chrome and Edge instances with specific flags and using dead-drop resolvers such as **Steam** and **Telegram** to locate command-and-control servers. The PlugX implant used multiple decoding and encryption layers, manual PE mapping, registry-based persistence, and WinHTTP communications to `fruitbrat[.]com:443`, while another credential-stealing sample tied in open sources to **RedFoxtrot** targeted Firefox and Internet Explorer data and used proxy-aware HTTP communications with hardcoded infrastructure. The reporting highlights continued attacker reliance on signed binaries, staged loaders, and obfuscated payload handling to evade detection while stealing credentials and enabling follow-on access.
Jul 12, 2026
Multiple active malware campaigns are using **trojanized installers** and social engineering—rather than software vulnerabilities—to gain initial access and then deploy credential theft or remote-control capabilities. Intel 471 reported a new Android banking trojan dubbed **FvncBot** targeting Polish mobile banking users by impersonating an *mBank* “security” app; the dropper prompts installation of an additional “Play” component and then abuses **Android Accessibility Services** for persistence and control, enabling **keylogging**, **screen capture**, and hidden **VNC-style remote interaction** to facilitate fraudulent transactions. Separately, Cyderes described an ongoing, large-scale piracy-channel campaign where cracked game installers hide behind a legitimate-looking **Ren’Py** launcher tracked as **RenEngine**, which decrypts and launches subsequent stages and introduces **HijackLoader** via techniques including **DLL side-loading** and module stomping; observed final payloads include **ACR Stealer** (and in some cases **Vidar**) to exfiltrate browser credentials, cookies, and crypto wallet data. Cybereason detailed a different installer-themed operation in Chinese-speaking communities delivering **ValleyRat/Winos 4.0** attributed to **Silver Fox APT**, notable for using the rare **“PoolParty Variant 7”** process injection (abusing Windows I/O completion ports and `ZwSetIoCompletion()` after duplicating a handle from `Explorer.exe`) plus a strengthened watchdog mechanism via injection into `Explorer.exe` and `UserAccountBroker.exe` to maintain persistence.
Jun 29, 2026
Researchers reported multiple financially motivated malware campaigns using **SmokeLoader** as a delivery mechanism for follow-on payloads including **Gozi ISFB**, **ZLoader**, **Oski**, **AveMaria**, **Cobalt Strike**, **SystemBC**, **RecordBreaker**, and the **Laplas Clipper** cryptocurrency hijacker. In one campaign set, attackers abused website contact forms and sent phishing lures posing as copyright complaints, directing victims to malicious documents hosted on legitimate services such as **Google Drive**. Talos found the initial payloads were wrapped in a shared crypter identified by the DOS-stub string **"Salfram,"** indicating a common tooling layer across otherwise varied malware deliveries. The activity relied on evasive and modular infection chains designed to complicate detection and maximize monetization. The **Salfram** crypter used obfuscation methods including fake API calls, fragmented control flow, self-modifying code, and memory allocation through `ZwAllocateVirtualMemory`, while later-stage malware added persistence and theft capabilities. Cyble said **Laplas Clipper** monitored the clipboard for cryptocurrency wallet addresses, pulled regex patterns and replacement addresses from `clipper[.]guru`, and persisted by copying itself into `%appdata%` and creating a scheduled task that ran every minute. The combined use of phishing, legitimate hosting platforms, crypter-based obfuscation, and multi-payload delivery shows an adaptable criminal ecosystem built to steal credentials, proxy access, banking data, and cryptocurrency funds.
Aug 15, 2026