The security firm, ESET has recently identified a new cyberespionage group, and it has been named “FamousSparrow” which indicates the protagonist of the Pirates of the Caribbean saga.
This group would have had hotels among its priority attacks, although it could also have attacked many other private companies, which include governments in Europe, the Middle East, America, Asia, and Africa.
But the most surprising discovery is that this cyber attack group has not targeted any US organizations.
The FamousSparrow group uses two custom versions of Mimikatz, the researchers noted during their investigation, and these customs were specifically being used to connect different conflicts to this group.
The FamousSparrow cyberattack group is a separate entity, but in the end, they came to know that they are linked with many other APT groups .
There are many cases that are related to this group, however, in one case, the threat actor extended a variant of Motnug which is a loader managed by SparklingGoblin.
However, on the completion of the investigation , the experts came to know that this group has been active since at least August 2019, and are targetting different hotel chains.
Apart from this, there are some other targets too like international organizations, engineering companies, law firms from different companies that we have mentioned below:-
Here we have mentioned all the custom tools deployed by the threat actors, which are mentioned below:-
The SparrowDoor is originally loaded through DLL search order hijacking, just by utilizing three elements that is a legitimate K7 Computing executable (Indexer.exe) specifically used as the DLL hijacking host, a malicious DLL (K7UI.dll), and an encrypted shellcode (MpSvc.dll).
However, SparrowDoor is generally amidst with the -i command-line argument:-
Apart from this, the group exploited vulnerabilities in Microsoft Exchange known as ProxyLogon , and they stated about it in their report.
Not only this but the data that has been collected through investigation implies that the threat actors of this group have begun exploiting the vulnerabilities on March 3, 2021, the day after the patches were released.
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