MATCHBOIL Malware Uses Cloudflare-Hidden C2 Servers to Deliver Backdoor Payloads
UAC-0099's MATCHBOIL downloader hides C2 behind Cloudflare and delivers MATCHWOK to Ukrainian firms.
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Stories tagged #downloader
MATCHBOIL Malware Adds Sandbox Checks, .NET Reactor Obfuscation and Persistent C2
UAC-0099's MATCHBOIL downloader evolved with sandbox checks, .NET Reactor obfuscation, scheduled-task persistence, and recurring C2, hitting Ukrainian transport and energy firms.
Russia-Aligned UAC-0099 Evolves MATCHBOIL Malware
ESET documents two years of UAC-0099 upgrades to its MATCHBOIL downloader used in espionage against Ukrainian government, energy and transport sectors.
MATCHBOIL: New tricks, same old evil intentions
ESET details MATCHBOIL, a C# downloader UAC-0099 uses against Ukrainian transport, manufacturing, and energy firms.
Fake PDF Files Hide Konni Malware Campaign Targeting Ukraine Organizations
SOCRadar links Operation Conflict Compass, a Konni espionage campaign using fake PDF shortcuts and the VelvetCake downloader, to Ukraine-focused targeting.
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Upatre Continued to Evolve with new Anti
Unit 42 analyzes an undocumented Upatre downloader variant with VM detection via process hashing, packed code, disabled Windows defenses and Namecoin .bit C2 domains.
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TrickBot Campaign Uses Fake Payroll Emails to Conduct Phishing Attacks
TrickBot phishing campaign used SendGrid, fake Google Docs, and Drive-hosted downloaders disguised as Word files to deliver a credential-stealing payload.
Tracking OceanLotus’ new Downloader, KerrDown
Unit 42 identifies KerrDown, a new OceanLotus (APT32) downloader active since 2018 targeting Vietnamese speakers via malicious macros and DLL side-loading.
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