Cybersecurity researchers have made available a nearer search at the RokRAT remote entry trojan which is utilized by the North Korean point out-sponsored actor acknowledged as ScarCruft.
“RokRAT is a advanced remote entry trojan (RAT) that has been observed as a critical ingredient in the attack chain, enabling the danger actors to achieve unauthorized entry, exfiltrate delicate facts, and probably keep persistent manage over compromised programs,” ThreatMon mentioned.
ScarCruft, lively because at minimum 2012, is a cyber espionage group that operates on behalf of the North Korean federal government, completely concentrating on targets in its southern counterpart.
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The team is believed to be a subordinate aspect inside of North Korea’s Ministry of Condition Security (MSS). Attack chains mounted by the group have leaned intensely on social engineering to spear-phish victims and provide payloads onto goal networks.
This features exploiting vulnerabilities in Hancom’s Hangul Word Processor (HWP), a efficiency application broadly applied by community and non-public organizations in South Korea, to produce its signature malware dubbed RokRAT.
The Windows backdoor, also called DOGCALL, is actively made and taken care of, and has due to the fact been ported to other running systems this kind of as macOS and Android.
The latest spear-phishing attacks, as evidenced by the AhnLab Security Unexpected emergency response Middle (ASEC) and Verify Place, have made use of LNK data files to set off multi-stage an infection sequences that eventually result in the deployment of the RokRAT malware.
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RokRAT permits the adversary to harvest procedure metadata, get screenshots, execute arbitrary commands received from a distant server, enumerate directories, and exfiltrate data files of desire.
The development will come as ASEC disclosed a ScarCruft attack that leverages a Windows executable masquerading as a Hangul doc to fall malware that is configured to get hold of an external URL every single 60 minutes.
“The URL registered in the job scheduler appears to be a ordinary homepage, but it incorporates a web shell,” ASEC pointed out.
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Some parts of this posting are sourced from:
thehackernews.com
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