General
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Target
LB3.exe
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Size
326KB
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Sample
240628-c66z8szcjl
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MD5
1984cd9797f1dec2991f810bb24fb3f2
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SHA1
90483d94f68ed30cd07707121ca64ff1eba9559e
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SHA256
077c86e8b7aefccb31a806dff5a93bbac17ac032db4b71bbb8df7a29a939e3f9
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SHA512
6cf6cd14eae4375e82d79416028873eaae4c0378f4d5a409102ec7814a0d43bd8d701b5c5313a749dfbdbd663ee73c15ba8436bceb007b130003fe6594a2d799
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SSDEEP
6144:wp/Y3gNmnjoF8nhN3HlzSu/0Gfc+zXiwa3oWcNTVmc8cJkXodPnB+woFD:wSgNmnjoF8Lcu/p1TyiNXadp
Static task
static1
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win10-20240611-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
326KB
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MD5
1984cd9797f1dec2991f810bb24fb3f2
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SHA1
90483d94f68ed30cd07707121ca64ff1eba9559e
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SHA256
077c86e8b7aefccb31a806dff5a93bbac17ac032db4b71bbb8df7a29a939e3f9
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SHA512
6cf6cd14eae4375e82d79416028873eaae4c0378f4d5a409102ec7814a0d43bd8d701b5c5313a749dfbdbd663ee73c15ba8436bceb007b130003fe6594a2d799
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SSDEEP
6144:wp/Y3gNmnjoF8nhN3HlzSu/0Gfc+zXiwa3oWcNTVmc8cJkXodPnB+woFD:wSgNmnjoF8Lcu/p1TyiNXadp
Score10/10-
Renames multiple (490) 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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