The Federal Bureau of Investigation (FBI) and partners are releasing this joint advisory to disseminate known RansomHub ransomware IOCs and TTPs. These have been identified through FBI threat response activities and third-party reporting as recently as August 2024.
RansomHub is a ransomware-as-a-service variant—formerly known as Cyclops and Knight—that has established itself as an efficient and successful service model (recently attracting high-profile affiliates from other prominent variants such as LockBit and ALPHV). Since its inception in February 2024, RansomHub has encrypted and exfiltrated data from at least 210 victims representing the water and wastewater, information technology, government services and facilities, healthcare and public health, emergency services, food and agriculture, financial services, commercial facilities, critical manufacturing, transportation, and communications critical infrastructure sectors.
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Related:
- Stealthy Malware Flies Under AV Radar with Advanced Obfuscation
November 15, 2019
Researchers warn hackers are putting a new spin on old injection techniques and successfully end-running endpoint protection. They are tracking a campaign, that kicked off in January, that is still going strong exploiting weaknesses in web browsers. The objective is to hide in the background of infected systems in order to steal user passwords, track ...
- APT33 Mounts Focused, Highly Targeted Botnet Attacks Against U.S. Victims
November 14, 2019
The Iran-linked, espionage-focused advanced threat group known as APT33 has been spotted using more than a dozen obfuscated botnets to carry out narrowly targeted attacks against government and academic targets in the Middle East, the U.S. and Asia. Each botnet, linked to its own command-and-control (C2) server, comprises a small group of up to a dozen ...
- DDoS Attacks That Employ TCP Amplification Cause Network Congestion, Secondary Outages
November 14, 2019
Over the past month, threat actors have been using a relatively non-conventional approach to mount a flurry of distributed denial-of-service (DDoS) attacks: through TCP amplification. Security company Radware shared its observations on multiple campaigns involving Transmission Control Protocol (TCP) reflection attacks, specifically SYN-ACK reflection attacks, against companies across the world. The scope of the impact was ...
- McAfee antivirus software impacted by code execution vulnerability
November 12, 2019
Researchers have revealed a serious code execution vulnerability impacting all editions of McAfee software. On Tuesday, the SafeBreach Labs cybersecurity team said that CVE-2019-3648 can be used to bypass McAfee’s self-defense mechanisms, potentially leading to further attacks on a compromised system. The vulnerability exists due to a failure to validate whether or not loading DLLs have been signed, and a path ...
- Emotet resurgence packs in new binaries, Trickbot functions
November 6, 2019
Emotet, a Banking Trojan turned devastating modular threat, has returned with upgraded functions in a new wave of attacks. The malware, first discovered in 2014, has evolved over the past few years from a relatively basic, singular threat into a customizable modular package used to deploy additional payloads against financial institutions, the enterprise, and consumers worldwide. Emotet, believed to ...
- Kaspersky identifies mysterious APT mentioned in 2017 Shadow Brokers leak
November 5, 2019
In 2017, a mysterious group of hackers known as the Shadow Brokers published online a data dump called “Lost in Translation.” The data dump — believed to have been obtained from the US National Security Agency (NSA) — contained a collection of exploits and hacking tools, including the now-infamous EternalBlue, the exploit that provided the steam ...