General
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Target
LB3.exe
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Size
153KB
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Sample
240628-c4llhszarl
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MD5
917c73751f310ac3a09dd56b88baef90
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SHA1
23a42392a2857b3fe74573197c4d1d819116d19f
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SHA256
5e1d3c89c3992c19b03d6f0f553073a46b337d27cadcddfc63abfe06118fa8d5
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SHA512
15b472715621158ad150aed6a6cce75dd8a4a1eee2f1b62f8d67596a336aac5d663198250e4439031fd1e56b6601618eac806da4d0bb062f454ef6d5be8dcac2
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SSDEEP
3072:66glyuxE4GsUPnliByocWepEXGg7g+fACCmUSt:66gDBGpvEByocWexIgQ1lUSt
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win10-20240404-en
Malware Config
Extracted
C:\q4ZbIx1qb.README.txt
lockbit
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion
http://lockbitapt.uz
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly
https://twitter.com/hashtag/lockbit?f=live
http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
http://lockbitsupp.uz
https://tox.chat/download.html
Targets
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Target
LB3.exe
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Size
153KB
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MD5
917c73751f310ac3a09dd56b88baef90
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SHA1
23a42392a2857b3fe74573197c4d1d819116d19f
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SHA256
5e1d3c89c3992c19b03d6f0f553073a46b337d27cadcddfc63abfe06118fa8d5
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SHA512
15b472715621158ad150aed6a6cce75dd8a4a1eee2f1b62f8d67596a336aac5d663198250e4439031fd1e56b6601618eac806da4d0bb062f454ef6d5be8dcac2
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SSDEEP
3072:66glyuxE4GsUPnliByocWepEXGg7g+fACCmUSt:66gDBGpvEByocWexIgQ1lUSt
Score10/10-
Renames multiple (517) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself
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Executes dropped EXE
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Drops desktop.ini file(s)
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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