Overview
overview
10Static
static
10LockBit-Bl...ld.bat
windows7-x64
3LockBit-Bl...ld.bat
windows10-2004-x64
3LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows7-x64
7LockBit-Bl...or.exe
windows10-2004-x64
7LockBit-Bl...in.dll
windows7-x64
10LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows7-x64
3LockBit-Bl...32.dll
windows10-2004-x64
3LockBit-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
3LockBit-Bl...en.exe
windows7-x64
1LockBit-Bl...en.exe
windows10-2004-x64
3LockBit-Bl...ld.bat
windows7-x64
3LockBit-Bl...ld.bat
windows10-2004-x64
3LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows7-x64
7LockBit-Bl...or.exe
windows10-2004-x64
7LockBit-Bl...in.dll
windows7-x64
10LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows7-x64
3LockBit-Bl...32.dll
windows10-2004-x64
3LockBit-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
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
25/03/2025, 13:38
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral7
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20241023-en
Behavioral task
behavioral8
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral9
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral11
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral13
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral15
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win7-20250207-en
Behavioral task
behavioral16
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral17
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral19
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win10v2004-20250314-en
Behavioral task
behavioral21
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win7-20241023-en
Behavioral task
behavioral22
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral23
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral25
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20250207-en
Behavioral task
behavioral26
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral27
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win7-20241010-en
Behavioral task
behavioral28
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral29
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win7-20250207-en
Behavioral task
behavioral30
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20250313-en
Behavioral task
behavioral31
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win10v2004-20250314-en
General
-
Target
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
-
Size
153KB
-
MD5
a77aa09d078b9380029e6100edbe2c83
-
SHA1
6fbb43a72056d7432434e123e77234cafafdf6ea
-
SHA256
4af96f0de6c0c89158c41974b4323869343e169b1f2a95a7960646d6b0edc3ea
-
SHA512
596c290ac55641df4220e8821bc51cc24f08552cca8e36c37c6ce641e8e3b8e9fa4ff56d0497e64e6bca92ca4bef07fca8ce3442297d2c17b829e7281a239153
-
SSDEEP
3072:96glyuxE4GsUPnliByocWepfd1D5nZ42zYWkD:96gDBGpvEByocWeFzE+rk
Malware Config
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
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Lockbit family
-
Renames multiple (353) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes itself 1 IoCs
pid Process 2576 8112.tmp -
Executes dropped EXE 1 IoCs
pid Process 2576 8112.tmp -
Loads dropped DLL 1 IoCs
pid Process 2852 LB3.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini LB3.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\HHuYRxB06.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\HHuYRxB06.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2576 8112.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LB3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8112.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06 LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06\ = "HHuYRxB06" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06 LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon\ = "C:\\ProgramData\\HHuYRxB06.ico" LB3.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe 2852 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp 2576 8112.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeDebugPrivilege 2852 LB3.exe Token: 36 2852 LB3.exe Token: SeImpersonatePrivilege 2852 LB3.exe Token: SeIncBasePriorityPrivilege 2852 LB3.exe Token: SeIncreaseQuotaPrivilege 2852 LB3.exe Token: 33 2852 LB3.exe Token: SeManageVolumePrivilege 2852 LB3.exe Token: SeProfSingleProcessPrivilege 2852 LB3.exe Token: SeRestorePrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSystemProfilePrivilege 2852 LB3.exe Token: SeTakeOwnershipPrivilege 2852 LB3.exe Token: SeShutdownPrivilege 2852 LB3.exe Token: SeDebugPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeBackupPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe Token: SeSecurityPrivilege 2852 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2852 wrote to memory of 2576 2852 LB3.exe 32 PID 2852 wrote to memory of 2576 2852 LB3.exe 32 PID 2852 wrote to memory of 2576 2852 LB3.exe 32 PID 2852 wrote to memory of 2576 2852 LB3.exe 32 PID 2852 wrote to memory of 2576 2852 LB3.exe 32 PID 2576 wrote to memory of 1728 2576 8112.tmp 33 PID 2576 wrote to memory of 1728 2576 8112.tmp 33 PID 2576 wrote to memory of 1728 2576 8112.tmp 33 PID 2576 wrote to memory of 1728 2576 8112.tmp 33
Processes
-
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\ProgramData\8112.tmp"C:\ProgramData\8112.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\8112.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:1728
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-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:1300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD582646a09f583a7b40366ddec1a3980dd
SHA1ef8c564c310aead3ffba5323121dbbeeb4553ca1
SHA256e887b26c6bf569cc09b4285c2cdf2d89b867a075310fea5f78d0e1a88de5c40b
SHA5124d5d51046c8f03050552330226299db3ae2e24a940a86a957ddb3efff74de30188bd58775dcad3e7921bce1e979db8e4aaaf761c863003d6d339ed7aa1a798df
-
Filesize
6KB
MD507ebf5c69b3a64179941b4994cb3b372
SHA19dbcf4ae8c7417955c97b2d393276549c8b5ed9f
SHA256f6681539f6e1ebaf72c225df9bb4889792f1b1ffe86e46ecdb29012f3c4bddbe
SHA51275753f02eed4b53884b108b6eb7991e00be754e761bfa9581b7021befda7221030ea060b604b6037987b05504379d66bcd85cabb67e206f23d5a5f88877d9204
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Filesize
153KB
MD51e34037025a319ff7fc976f776cd5e60
SHA1568d63b1ad9d60b0cf210a28787bbe5774c4b18e
SHA256fb414722c74caf2cc0760351fe2f6ffd14417537a1d53a1c165c4b931ca87a75
SHA5125947d22999af633596b26e177e93165c463e0e33d3b74979a6a1398e6314bd0c88b545d6ed5004c6762aad8f3343c36a8594c9faf3301353d4da7e64aea07eeb
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Filesize
129B
MD5953fea0103fc9fb95df8d279fdea4b02
SHA130d1093a14bbee10d98ef6d55f0733484152149f
SHA256b386a59d1f669f2e02813849ce798e5979d8b1425e3c232ef9a136cbe90ead58
SHA512aca7dc5643ef76df16b30af6e35e7e3f769f53736108cf2a613d284425c19495379f1a98827af3d7bc3bbb4d46aac888d30dcf938b140dcdeb7b502ec0db526c
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf