It’s a double-extortion play that uses the command-line password ‘KissMe’ to hide its nasty acts and adorns its ransom note with cutesy ASCII bunny art.
TA551 Shifts Tactics to Install Sliver Red-Teaming Tool
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A new email campaign from the threat group uses the attack-simulation framework in a likely leadup to ransomware deployment.
https://threatpost.com/ta551-tactics-sliver-red-teaming/175651/