Overview
overview
10Static
static
10LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows10-2004-x64
1LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...er.exe
windows10-2004-x64
1LockBit-Bl...en.exe
windows10-2004-x64
1LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows10-2004-x64
5LockBit-Bl...in.dll
windows10-2004-x64
10LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...er.exe
windows10-2004-x64
1LockBit-Bl...en.exe
windows10-2004-x64
1General
-
Target
LockBit-Black-Builder-main.zip
-
Size
1.7MB
-
Sample
240523-lkmh5scb37
-
MD5
4fb693236754d28c43d3123b555ae740
-
SHA1
d3d6f0aa6068e9b2b9b47875bc13500392494421
-
SHA256
f566f21f3db0c4a9f421f18e6561279b4dd4c5fd3c32456a6f2e5b927b49719d
-
SHA512
ba81e0077f8dfbcbe58eda07d5b403089a71d56ae33578ba07abb7101c6254c9a7e042af2c0ede74b12fa142731c0ce638e7a98fd620e910bad7fbbdba710383
-
SSDEEP
49152:Qm7iJLGvI8SbLm7S8lMA7DAJRxZ73a9VlknZbQT9:6JqgjiL+WEJRx6QZbQh
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral6
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral10
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral12
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral14
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral16
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/builder.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral18
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/keygen.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
blackmatter
25.239
Extracted
blackmatter
65.239
Extracted
C:\HHuYRxB06.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
Extracted
C:\Users\HHuYRxB06.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
Extracted
C:\ZImkTWSLZ.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/LockBit-Black-Builder-main/LockBit30/Build.bat
-
Size
733B
-
MD5
1905cc9973206fea5050b737f9303fb4
-
SHA1
497524177d9478a4b5dca3e73cc230be6abf4ce0
-
SHA256
e2f5b93040d57de6251d16256bcd04aa8eb337bde87308e602f01070efd345fb
-
SHA512
95bae9406d01083f6fe6916ecf8e889afe20ff5863070f1787dc7a60d2d1d5af2cf3fd481a3c4fb531f16dd2cb7a685002aaac1dc907cf189c19c60f2816dd76
Score1/10 -
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
-
Size
153KB
-
MD5
c73eac0c837c3c5caca3a885f46c17d9
-
SHA1
a0ca9511b40c9c2451986ce179016ec4014e9adb
-
SHA256
e609bf8406b61613f3e605d277cf445059974a4c71c3edd09fffae86a3c5dbfe
-
SHA512
157c92e561cd18876ab60faf8a3d8e62633e7750accb965e86f3202b0d5ff902d3ae51fb41592d9be22672e67a713291e469a09be57e6f77dd6343090324792a
-
SSDEEP
3072:xqJogYkcSNm9V7D2YRLCm8ZdqVAxrMismEm8T:xq2kc4m9tDlhLqb
Score10/10-
Renames multiple (625) 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.
-
Deletes itself
-
Executes dropped EXE
-
Drops desktop.ini file(s)
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
-
Size
54KB
-
MD5
d1c15784587717fe03448d0c4dc8dd5b
-
SHA1
f36ac101949a4fa8f604d561957fb9d3e1f73699
-
SHA256
4973313c1c003a27190fba0a43dda1be78891552c9fabaa0c65e0051965ceee7
-
SHA512
ef81b11962fb56a583c43ecdf0f8c66ef17850e85e56794b6c4ca328751609e4fe1fb1494e0e7315ff396510c467e440b74b62c105ce226f2fda49379d551a81
-
SSDEEP
768:llD2N5KCJD5rkdDRib1Xf0854bhC3E9zpKMMYj1MYgFMRx:nAkCJD5rKDRib1F54NLp2Yj1M7MD
Score1/10 -
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
-
Size
106KB
-
MD5
2ecc319574b76994e76c4f971c820362
-
SHA1
8f3d04cab7c6be2220860ec391d75ba2f8f17b33
-
SHA256
123797c18b044fb5aeba5dcccaf9ef1df0b7553413e9433876f1f94b8cd0584f
-
SHA512
39c63668d424ff9efa625a82312edf5a30f7ca3edd896bd6ef1857ced02e5462cf191af54b6e55388b844fa5e50f77e3a6ce5b5983f61eb57a45c4b2fbb3567e
-
SSDEEP
1536:LzICS4A30TY1kUS/U2ztdS1I6DdL9Ta16CX4VtgYfC3zHZbhuMGCS:0J0TYyUS/U2RgGWL9+joVtHfilfd
Score7/10-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Deletes itself
-
Executes dropped EXE
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
-
Size
152KB
-
MD5
a451f94bf71b55142e64d65dda361e3d
-
SHA1
79dbdba2019c0bb2859cf2886ad4ceaadf769311
-
SHA256
42a708a61e3bb54ac63748ac47bb96ded6e32bbe927a87c8e57094110293c325
-
SHA512
a5336d7a3345a562214f8081459937f4c9c17882aa614fa514eea6ec7e3afd416e943560a92ecfe88ecc281729c9e6eefe2300d087b1ee510aaef0d3ac343803
-
SSDEEP
3072:LrPn1hcH98P67PBH2G3gFoh3H6J1vVjgQp3RpM1dpbQrQymzUOMgInmwuzEvigpx:LrP1hG98P67PNV3gih3H6J1VjgQp3Rpb
Score1/10 -
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
-
Size
148KB
-
MD5
1cf36fecacae95acaed46247090fd4b6
-
SHA1
4dcf048521b7c8fcba54d20f06be6ea60131bce1
-
SHA256
6eb4d985a52554d37c0efec1457258e4dfd4619ff0396c66e2f9a02d8381ce57
-
SHA512
7b6c660245ed236a12e4c7e36e30283b5d2736de2d419da60d4ab584016de24dd40f7c4d407c5a4cee3c1995d136a775f72ed2ca16c911d75a2c9c2f4b57a99c
-
SSDEEP
3072:TTmYfHnIUoQ3+Cv9y5esf+Ieva3YVxz8jZGhjhjGI:TBvn3+WnSev7VujMzf
Score10/10-
Rule to detect Lockbit 3.0 ransomware Windows payload
-
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
-
Size
149KB
-
MD5
4f6c3752e20422203d1bd00acb082ba5
-
SHA1
2d648879014bf464bf3ed640642c9f7665115ad4
-
SHA256
500eeeb1927f1fb9304a2167d6ea7e318d242da0c68e03f3ec60d704acfa0add
-
SHA512
310c78b0057ec044ce14eb4242729f958f4de2d3cb8cc8f8052d8b6ead5ff692a870ec027204dffb3fe3951e6c8bc5b59d6a21046c66643e7d14ac3a88c31271
-
SSDEEP
3072:lX6v7dL14It1Zvcb4n8uqlWpwkC/Va7U6JDN9ZiIyOmYNeZaVi:lIR1NPZO4n8VlWpKp6DliIyO/En
Score10/10-
Rule to detect Lockbit 3.0 ransomware Windows payload
-
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/builder.exe
-
Size
469KB
-
MD5
c2bc344f6dde0573ea9acdfb6698bf4c
-
SHA1
d6ae7dc2462c8c35c4a074b0a62f07cfef873c77
-
SHA256
a736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db
-
SHA512
d60cf86c0267cd4e88d21768665bbb43f3048dace1e0013b2361c5bfabf2656ff6215dfb75b6932e09545473305b4f707c069721cdde317b1df1709cd9fc61c0
-
SSDEEP
12288:CzVXpdg/1MB94JD7RfaVT1hG98P67PNV3giFH6J1VjR3L6dpbQrQyEpInmwuRUfB:CzxjgdRpBq1hG98P67PNV3giFH6J1Vjn
Score1/10 -
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/keygen.exe
-
Size
31KB
-
MD5
71c3b2f765b04d0b7ea0328f6ce0c4e2
-
SHA1
bf8ecb6519f16a4838ceb0a49097bcc3ef30f3c4
-
SHA256
ea6d4dedd8c85e4a6bb60408a0dc1d56def1f4ad4f069c730dc5431b1c23da37
-
SHA512
1923db134d7cee25389a07e4d48894dde7ee8f70d008cd890dd34a03b2741a54ec1555e6821755e5af8eae377ef5005e3f9afceb4681059bc1880276e9bcf035
-
SSDEEP
768:A6+T41GjHbdWCWDwDD01riWpJxKpAQJs/3JGIDLQ5:b+U+hHIBpJxixgQ
Score1/10 -
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build.bat
-
Size
733B
-
MD5
1905cc9973206fea5050b737f9303fb4
-
SHA1
497524177d9478a4b5dca3e73cc230be6abf4ce0
-
SHA256
e2f5b93040d57de6251d16256bcd04aa8eb337bde87308e602f01070efd345fb
-
SHA512
95bae9406d01083f6fe6916ecf8e889afe20ff5863070f1787dc7a60d2d1d5af2cf3fd481a3c4fb531f16dd2cb7a685002aaac1dc907cf189c19c60f2816dd76
Score1/10 -
-
-
Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
-
Size
153KB
-
MD5
a77aa09d078b9380029e6100edbe2c83
-
SHA1
6fbb43a72056d7432434e123e77234cafafdf6ea
-
SHA256
4af96f0de6c0c89158c41974b4323869343e169b1f2a95a7960646d6b0edc3ea
-
SHA512
596c290ac55641df4220e8821bc51cc24f08552cca8e36c37c6ce641e8e3b8e9fa4ff56d0497e64e6bca92ca4bef07fca8ce3442297d2c17b829e7281a239153
-
SSDEEP
3072:96glyuxE4GsUPnliByocWepfd1D5nZ42zYWkD:96gDBGpvEByocWeFzE+rk
Score10/10-
Renames multiple (605) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
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Size
54KB
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MD5
3baba850a83359d0724af622186ff137
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SHA1
33c0b49ead3b6ce8fceba752cd1a23e867ded322
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SHA256
011da3309d427a567cfe8644a407033c42570c2756a9ed09409004ff0df01399
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SHA512
9166c1e8632f67780c4a16ab9741de3be40f57cbe5184ae527ff548a59728eb6fe69f08c5518ba4b66ad1a0925316a1700607cdf9068ffafafc1c1b58bc12f5b
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SSDEEP
768:FcDWNKqCcjAPj5qBPhvXh2gf0854TC3E9zpKMMYj1MYgFMRx:kgjCcjAPj5yPhvXHF54TLp2Yj1M7MD
Score5/10-
Suspicious use of NtSetInformationThreadHideFromDebugger
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
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Size
107KB
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MD5
660679f8d44100cd240add9862598d66
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SHA1
afca2fd0af09265e099e8cf5b898ea45f01f288a
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SHA256
6667b29705a3c882d536589dc9d7193725ecdbc42c8bb0cc60f3c9d6d0240275
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SHA512
d347ed75a08678af1eb449230f437d6f0fb3da6f98a6f7d36eaf73c7cd1399ec9712b940b370a92fa9b8d6a2ece5c607e86ecbfa12cc6cda3df85d66475091dd
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SSDEEP
3072:n9bfmBYtGb2kZlBmLmmnFPNeSDkDqS4AJ:n9ptGakZlsLXFISDzAJ
Score10/10-
Renames multiple (365) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
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Size
152KB
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MD5
6af251afa3468ac14d63b0ee96acf337
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SHA1
b9f28640e74b50a487c71b3d866a5a9905e79077
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SHA256
d146fc2a8a8be652bbaaf711d3f4861de2f859192e8e90a8d03b6ffd4bcece46
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SHA512
84a5958c0d46b464f1b5e6d3164b69533ca2950aa35df4fd36bbfbf479ef780fc619904a08d2bf65835a09552f0663c8847471b565859d84b684247a4eb3fe6b
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SSDEEP
3072:1T0IRcT5h98vy7aF5y9vYNahEvM1kiXo7CAyXwptXpEKAoiO3pwBmrkllnYgrwoW:1T5CTL98vy7anEvY8hEvM1kiXolyXwpp
Score1/10 -
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
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Size
148KB
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MD5
93046eb83f029ea9dc24522e88cfe75e
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SHA1
fe73ccfbb8c3a124a884f19b5149224265ca59e9
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SHA256
b530be92d5785dbf1446d898c04702b33c58b985a2a29f6131688badf6b6ee56
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SHA512
666be29c79db61eaf6d291de9e3cf6a47438d961ede6b56edc6ff98ca6256341e39a9ca9f177244dc4e83e6c43599b0395c81647ce60c874d1b057994cef41f8
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SSDEEP
3072:+R/3wDb7wo0h86nHjVzmGzzAAIGMaoz8o077WLm+BzuSeqIHGJLO:y3cwXhBDVzmYMAIdP0/kbzu9qImJy
Score10/10-
Rule to detect Lockbit 3.0 ransomware Windows payload
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-
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
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Size
149KB
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MD5
7a9c8d168cbd79477a23f995fcef37b7
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SHA1
bda1ac31cc3b9087e6ab2696f3e956c034f481dc
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SHA256
9cadbedcd88c2005cbaddb3c9a3dc7baae32ee50d1893a7cefd12261dbf69c62
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SHA512
222c5c1e8054c00b0d5d5a5c4f12c06ce3b792c230d2c5293752dcca247c73b336da8756f6762fc3fc8bb85aa9d08f9a4c793b8843b578ac1fb37925821c4ef7
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SSDEEP
3072:5MKDtv/cqFbkyAD8UvR3rO4H9TKvfpN7pLXyKuwYXAlboLU/ux0feApQ:mKDhzFlADRvRi7fp55l8AFoLU/KZA6
Score10/10-
Rule to detect Lockbit 3.0 ransomware Windows payload
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-
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/builder.exe
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Size
470KB
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MD5
8c689dc9e82c9356b990d2b67b4943e1
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SHA1
6bdc415b9c356bbeaea75c7336cd72910b95a644
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SHA256
e8e2deb0a83aebb1e2cc14846bc71715343372103f279d2d1622e383fb26d6ef
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SHA512
fb38a79dbcebde149736d5e1ca37dc15d274838be304d3f86e992d610b50c31d7fe4c30f6697c890f3753443af16eab712aef3f8da88d76ed00790083deb51e4
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SSDEEP
12288:7tDkI5O/1MHOvEIfRfaXNCTL98vy7anEvY86vM1kiY4XotXpEKAoiO5wBmrkAUfM:7tQcOdu4BcCTL98vy7anEvY86vM1kiYt
Score1/10 -
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/keygen.exe
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Size
31KB
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MD5
5e28c7c900e4dce08366051c22f07f84
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SHA1
ec03fd1551d31486e2f925d9c2db3b87ffcd7018
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SHA256
bb76f4d10ec2c1d24be904d2ee078f34a6b5bd11f3b40f295e116fea44824b89
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SHA512
fb45d7466d8a979ca78202be20175585e8d560a4cfcc81d3ef15edeb2d292cb5a05cdb93718cef685f1c8ee94cabf6c35ff010785d774057d045ba7b8a478a1e
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SSDEEP
768:F6+T41GjHbdWCWDwDD01riWpJxKpAQJs/3JGIDLQH:E+U+hHIBpJxixgQ
Score1/10 -