Overview
overview
10Static
static
10LockBit-Bl...ld.bat
windows7-x64
1LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows7-x64
1LockBit-Bl...or.exe
windows10-2004-x64
1LockBit-Bl...in.dll
windows7-x64
10LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows7-x64
1LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows7-x64
10LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows7-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...er.exe
windows7-x64
1LockBit-Bl...er.exe
windows10-2004-x64
1LockBit-Bl...en.exe
windows7-x64
1LockBit-Bl...en.exe
windows10-2004-x64
1LockBit-Bl...ld.bat
windows7-x64
1LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows7-x64
5LockBit-Bl...or.exe
windows10-2004-x64
5LockBit-Bl...in.dll
windows7-x64
10LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows7-x64
1LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows7-x64
10LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows7-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10Analysis
-
max time kernel
121s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
27-01-2024 16:14
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win7-20231129-en
Behavioral task
behavioral30
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral31
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win10v2004-20231215-en
General
-
Target
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
-
Size
107KB
-
MD5
660679f8d44100cd240add9862598d66
-
SHA1
afca2fd0af09265e099e8cf5b898ea45f01f288a
-
SHA256
6667b29705a3c882d536589dc9d7193725ecdbc42c8bb0cc60f3c9d6d0240275
-
SHA512
d347ed75a08678af1eb449230f437d6f0fb3da6f98a6f7d36eaf73c7cd1399ec9712b940b370a92fa9b8d6a2ece5c607e86ecbfa12cc6cda3df85d66475091dd
-
SSDEEP
3072:n9bfmBYtGb2kZlBmLmmnFPNeSDkDqS4AJ:n9ptGakZlsLXFISDzAJ
Malware Config
Extracted
C:\Users\HHuYRxB06.README.txt
lockbit
598954663666452@exploit.im
365473292355268@thesecure.biz
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
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Renames multiple (364) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes itself 1 IoCs
pid Process 1912 8102.tmp -
Executes dropped EXE 1 IoCs
pid Process 1912 8102.tmp -
Loads dropped DLL 1 IoCs
pid Process 1920 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
pid Process 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1912 8102.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon\ = "C:\\ProgramData\\HHuYRxB06.ico" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06\ = "HHuYRxB06" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe 1920 rundll32.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp 1912 8102.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeDebugPrivilege 1920 rundll32.exe Token: 36 1920 rundll32.exe Token: SeImpersonatePrivilege 1920 rundll32.exe Token: SeIncBasePriorityPrivilege 1920 rundll32.exe Token: SeIncreaseQuotaPrivilege 1920 rundll32.exe Token: 33 1920 rundll32.exe Token: SeManageVolumePrivilege 1920 rundll32.exe Token: SeProfSingleProcessPrivilege 1920 rundll32.exe Token: SeRestorePrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSystemProfilePrivilege 1920 rundll32.exe Token: SeTakeOwnershipPrivilege 1920 rundll32.exe Token: SeShutdownPrivilege 1920 rundll32.exe Token: SeDebugPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeBackupPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe Token: SeSecurityPrivilege 1920 rundll32.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1944 wrote to memory of 1920 1944 rundll32.exe 25 PID 1920 wrote to memory of 1912 1920 rundll32.exe 31 PID 1920 wrote to memory of 1912 1920 rundll32.exe 31 PID 1920 wrote to memory of 1912 1920 rundll32.exe 31 PID 1920 wrote to memory of 1912 1920 rundll32.exe 31 PID 1920 wrote to memory of 1912 1920 rundll32.exe 31 PID 1912 wrote to memory of 872 1912 8102.tmp 32 PID 1912 wrote to memory of 872 1912 8102.tmp 32 PID 1912 wrote to memory of 872 1912 8102.tmp 32 PID 1912 wrote to memory of 872 1912 8102.tmp 32
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_ReflectiveDll_DllMain.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_ReflectiveDll_DllMain.dll,#12⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\ProgramData\8102.tmp"C:\ProgramData\8102.tmp"3⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\8102.tmp >> NUL4⤵PID:872
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-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
Filesize107KB
MD52ef15cef3334edf8e5e248a43286db12
SHA1f70ef44bc584fb08dc2edb1046310d12147f6a21
SHA25633cec1deeced8b30082ae62acb927a15d403e24fbef9981f45136a773a886dfa
SHA512e27f352fec7f0ce0396d7740927c1ae760127a5d4428f9ededcd42c9d8e7fdb2a75a4d83e305f77dc90e05f953d494a7558872a9ada38887b38e64dfdcf53aab
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Filesize
6KB
MD5c34d88d12fddd014607107d6373417ee
SHA17cf70e51cf7c7c6222964951c9bdc184b651b680
SHA25627a0030cb929fb591b23215b8257e0fda6b4db6162b4cd923ee3a5da710f6ad5
SHA512b9059cb12186e5fb51223109f48643664bfb30315ece1d722a376c642ad2bf52d3472d8d1cdd1e3bb02a82222241a61c600dd956a44558deef3ff5a9a74c0dc6
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf