General
-
Target
LockBit-Black-Builder-main.zip
-
Size
2.6MB
-
Sample
241126-wr74jaspcy
-
MD5
a5fbe0c5d0b5abd4dd0cb3bf69f3be6b
-
SHA1
fcc36b7c657a9187572ad3f527992b33c560f2e3
-
SHA256
34ae59b7acc09c2e82625640cae82c5158b649db1418ddbaa24138b51f1722c5
-
SHA512
a10b15c4368bbb836643d534a2c732c794bdac1034ca7c088ebd7c5333969763eea5be30977e6dd6b039e051e4b36acfef6fbb5129009d5bfd1eb75d706c7cdb
-
SSDEEP
49152:RXO172+O52uX9HaMAvqjw+6vfdTZseFqnC/6qZoAws4vxF8:Rp+OEuwy6ZDX/6woAws45C
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main.zip
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main.zip
Resource
win10v2004-20241007-en
Malware Config
Extracted
blackmatter
25.239
Extracted
blackmatter
65.239
Extracted
C:\Users\39rw8rOkT.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
-
-
Target
LockBit-Black-Builder-main.zip
-
Size
2.6MB
-
MD5
a5fbe0c5d0b5abd4dd0cb3bf69f3be6b
-
SHA1
fcc36b7c657a9187572ad3f527992b33c560f2e3
-
SHA256
34ae59b7acc09c2e82625640cae82c5158b649db1418ddbaa24138b51f1722c5
-
SHA512
a10b15c4368bbb836643d534a2c732c794bdac1034ca7c088ebd7c5333969763eea5be30977e6dd6b039e051e4b36acfef6fbb5129009d5bfd1eb75d706c7cdb
-
SSDEEP
49152:RXO172+O52uX9HaMAvqjw+6vfdTZseFqnC/6qZoAws4vxF8:Rp+OEuwy6ZDX/6woAws45C
-
BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
-
Blackmatter family
-
Lockbit family
-
Rule to detect Lockbit 3.0 ransomware Windows payload
-
Renames multiple (663) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Drops desktop.ini file(s)
-
Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-