Access to employees’ email accounts, and then pivoted to specifically target login information related to the processing of reimbursement payments to insurance companies, medicare, or similar entities.
To gain initial access to victim networks, the threat actor acquired credentials through social engineering or phishing. In some observed instances, the threat actor called an organization’s IT Help Desk posing as an employee of the organization, and triggered a password reset for the targeted employee’s organizational account [T1566.004]. In some instances, by manipulating the IT Help Desk employees, the threat actor was able to bypass multifactor authentication (MFA) [T1556.006]. In another instance, the threat actors registered a phishing domain [T1556.001] that varied by one character from the target organization’s true domain, and targeted the organization’s Chief Financial Officer (CFO) [TA1656].
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Related:
- NHS hit with wave of scam emails at height of COVID-19 pandemic
August 12, 2020
NHS staff were hit with a wave of malicious email attacks at the height of the COVID-19 pandemic, with doctors, nurses and other key workers reporting over 40,000 spam and phishing attacks between March and the first half of July. Data from NHS Digital obtained through a Freedom of Information request sent by UK think tank, ...
- Hackers can remotely hijack enterprise, healthcare Temi robots
August 6, 2020
Robots used in hospitals and care homes to assist patients and the vulnerable can be fully hijacked by cyberattackers. On Thursday at Black Hat USA, McAfee’s Advanced Threat Research (ATR) team disclosed new research into the robots, in which remotely-exploitable vulnerabilities were uncovered, potentially leading to mobile, audio, and video tampering on the hospital floor. The robot ...
- FBI warns of Netwalker ransomware targeting US government and organisations
July 29, 2020
The FBI has issued a security alert about Netwalker ransomware operators targeting U.S. and foreign government organizations, advising their victims not to pay the ransom and reporting incidents to their local FBI field offices. FBI’s flash alert also provides indicators of compromise associated with the Netwalker ransomware (also known as Mailto) and includes a list of ...
- Russian hackers tried to steal coronavirus vaccine – UK accuses Putin’s secretive spy team
July 16, 2020
The UK Government has released a joint statement with the US and Canada claiming Moscow has sought to infiltrate research from pharmaceutical companies and universities. It is believed Cozy Bear, a group linked to the Russian government, have sought to steal the information to help the country’s own efforts to fight the coronavirus pandemic. The sophisticated ...
- Ripple20 vulnerabilities will haunt the IoT landscape for years to come
June 16, 2020
Cyber-security experts have revealed today 19 vulnerabilities in a small library designed in the 90s that has been widely used and integrated into countless of enterprise and consumer-grade products over the last 20+ years. The number if impacted products is estimated at “hundreds of millions” and includes products such as smart home devices, power grid equipment, ...
- Germany launches terrorism probe over planned attack on Muslims
June 8, 2020
German authorities arrested a 21-year-old man and launched a terrorism investigation after he threatened to carry out an attack targeting Muslims, prosecutors said on Monday. The 21-year-old man from the northern city of Hildesheim made the threat in an anonymous online chat forum on May 29, announcing his intention to carry out an attack “with multiple ...