WannaCry and ExPetr ransomware comparative analysis

WannaCry and ExPetr: Kaspersky Lab researchers conducted a comparison of the last two ransomware attacks, which were carried out in different modes and on different targets. WannaCry and ExPetr

However, both attacks have some similarities, showing signs of an emerging trend of disastrous targeted activity.

  •  Unlike previous destructive attacks with Wiper technologies such as and Destover in 2014, and Shamoon and StonedDrill in 2016-2017, which were carried out in a very methodical and destructive manner, the motivations of WannaCry and ExPetr – whether for malicious activity or some sabotage – remain unclear.
  •  There was the same delay of about two months for the delivery of worm-enabled variants: according to the first information about the targets, the development of WannaCry began in March, while ExPetr took place in April. But the ransomware/wipers themselves spread much later, in May and June respectively.
  •  WannaCry's development was slow and hands-on, with scattered global targets, inconsistent profiles and no attention to collecting Bitcoins: the attacker sent a set of messages that encouraged to pay BTC to their wallet.
  •  The development of ExPetr was rapid, advanced and technically flexible, focusing on the software of organizations connected to Ukraine. However, the ExPetr attackers apparently did not come back with either widely disseminated messages or pre for their goals, nor did they prolong the incident by asking for Bitcoin transactions to decrypt disks.

According to the researchers of Kaspersky Lab, the differences in the development of each ransomware show that the two attacks were not carried out by the same attacker.

But there are obvious similarities in both WannaCry and ExPetr tactics, which indicates the launch of new targeted APT attack activity behind the ransomware.

For more information, visit the specialistsite of Securelist.com.

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Written by Dimitris

Dimitris hates on Mondays .....

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