Overview
overview
10Static
static
10LockBit-Bl...1).zip
windows10-ltsc_2021-x64
LockBit-Bl...1).zip
windows7-x64
LockBit-Bl...1).zip
windows10-2004-x64
LockBit-Bl...1).zip
windows10-ltsc_2021-x64
LockBit-Bl...1).zip
windows11-21h2-x64
LockBit-Bl...B3.exe
windows10-ltsc_2021-x64
10LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...B3.exe
windows10-ltsc_2021-x64
10LockBit-Bl...B3.exe
windows11-21h2-x64
10LockBit-Bl...or.exe
windows10-ltsc_2021-x64
7LockBit-Bl...or.exe
windows7-x64
7LockBit-Bl...or.exe
windows10-2004-x64
7LockBit-Bl...or.exe
windows10-ltsc_2021-x64
7LockBit-Bl...or.exe
windows11-21h2-x64
7LockBit-Bl...ss.exe
windows10-ltsc_2021-x64
10LockBit-Bl...ss.exe
windows7-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...ss.exe
windows10-ltsc_2021-x64
10LockBit-Bl...ss.exe
windows11-21h2-x64
10LockBit-Bl...er.exe
windows10-2004-x64
3LockBit-Bl...er.exe
windows7-x64
1LockBit-Bl...er.exe
windows10-2004-x64
3LockBit-Bl...er.exe
windows10-ltsc_2021-x64
3LockBit-Bl...er.exe
windows11-21h2-x64
3LockBit-Bl...en.exe
windows11-21h2-x64
3LockBit-Bl...en.exe
windows7-x64
1LockBit-Bl...en.exe
windows10-2004-x64
3LockBit-Bl...en.exe
windows10-ltsc_2021-x64
3LockBit-Bl...en.exe
windows11-21h2-x64
3Resubmissions
25/03/2025, 13:33
250325-qtlqeszqs7 1005/02/2025, 11:10
250205-m9vfqavqbl 1016/11/2024, 20:31
241116-za4asstckm 10Analysis
-
max time kernel
66s -
max time network
24s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
25/03/2025, 13:33
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main (1).zip
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main (1).zip
Resource
win7-20241010-en
Behavioral task
behavioral3
Sample
LockBit-Black-Builder-main (1).zip
Resource
win10v2004-20250314-en
Behavioral task
behavioral4
Sample
LockBit-Black-Builder-main (1).zip
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral5
Sample
LockBit-Black-Builder-main (1).zip
Resource
win11-20250314-en
Behavioral task
behavioral6
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral7
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win7-20241023-en
Behavioral task
behavioral8
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral9
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral10
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win11-20250314-en
Behavioral task
behavioral11
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral12
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win7-20241010-en
Behavioral task
behavioral13
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral14
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral15
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win11-20250313-en
Behavioral task
behavioral16
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral17
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win7-20241010-en
Behavioral task
behavioral18
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral19
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral20
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win11-20250313-en
Behavioral task
behavioral21
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral22
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win7-20240903-en
Behavioral task
behavioral23
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral24
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral25
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win11-20250314-en
Behavioral task
behavioral26
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win11-20250313-en
Behavioral task
behavioral27
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral29
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral30
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win11-20250314-en
General
-
Target
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
-
Size
153KB
-
MD5
c73eac0c837c3c5caca3a885f46c17d9
-
SHA1
a0ca9511b40c9c2451986ce179016ec4014e9adb
-
SHA256
e609bf8406b61613f3e605d277cf445059974a4c71c3edd09fffae86a3c5dbfe
-
SHA512
157c92e561cd18876ab60faf8a3d8e62633e7750accb965e86f3202b0d5ff902d3ae51fb41592d9be22672e67a713291e469a09be57e6f77dd6343090324792a
-
SSDEEP
3072:xqJogYkcSNm9V7D2YRLCm8ZdqVAxrMismEm8T:xq2kc4m9tDlhLqb
Malware Config
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
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Lockbit family
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Renames multiple (351) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
pid Process 996 B654.tmp -
Executes dropped EXE 1 IoCs
pid Process 996 B654.tmp -
Loads dropped DLL 1 IoCs
pid Process 1048 LB3.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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.
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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\\ZImkTWSLZ.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ZImkTWSLZ.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 996 B654.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 B654.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LB3.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\ZImkTWSLZ\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ\DefaultIcon\ = "C:\\ProgramData\\ZImkTWSLZ.ico" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ZImkTWSLZ LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ZImkTWSLZ\ = "ZImkTWSLZ" LB3.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe 1048 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp 996 B654.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeDebugPrivilege 1048 LB3.exe Token: 36 1048 LB3.exe Token: SeImpersonatePrivilege 1048 LB3.exe Token: SeIncBasePriorityPrivilege 1048 LB3.exe Token: SeIncreaseQuotaPrivilege 1048 LB3.exe Token: 33 1048 LB3.exe Token: SeManageVolumePrivilege 1048 LB3.exe Token: SeProfSingleProcessPrivilege 1048 LB3.exe Token: SeRestorePrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSystemProfilePrivilege 1048 LB3.exe Token: SeTakeOwnershipPrivilege 1048 LB3.exe Token: SeShutdownPrivilege 1048 LB3.exe Token: SeDebugPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeBackupPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe Token: SeSecurityPrivilege 1048 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1048 wrote to memory of 996 1048 LB3.exe 32 PID 1048 wrote to memory of 996 1048 LB3.exe 32 PID 1048 wrote to memory of 996 1048 LB3.exe 32 PID 1048 wrote to memory of 996 1048 LB3.exe 32 PID 1048 wrote to memory of 996 1048 LB3.exe 32 PID 996 wrote to memory of 2060 996 B654.tmp 33 PID 996 wrote to memory of 2060 996 B654.tmp 33 PID 996 wrote to memory of 2060 996 B654.tmp 33 PID 996 wrote to memory of 2060 996 B654.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exeC:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe bcdedit /set shutdown /r /f /t 21⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\ProgramData\B654.tmp"C:\ProgramData\B654.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:996 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B654.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2060
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-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:1152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD57165d73f4f08e9003952d247e47506d4
SHA1419fe570bbf029e61ff172f6e6a9fa3a6060e14d
SHA256a3b7645904a0a46c9e2fa2229e3e2edc7e57036088510143dc6cfa2df167fc6e
SHA5127cdc327c1fa793dfbba9269e3bd77e967dc1594233d2dbc32969dd9793512d808090b5d3fb9d3542a460e5797ed2a028534a679eb14bcceb3977c9740a92a9f1
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Filesize
153KB
MD50be3617b0222acd2ead3533bdf4c74eb
SHA11a0231f73cd74c8a538dba4806c55976222749ba
SHA25630436f8b9469489c7aac20ce68eb296ec4c0ffd16cddbce329ccfbc2bd1880b5
SHA5123004cbbbc9a21998e80f0c2cb38d7ef50b059e12cc74502c85ecf64c9db7a6a8335456b62262cbd9b725ec8291d7b7f37064513e07ab082f3dd41c77973cb12e
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Filesize
6KB
MD521fd93629919caa6306529afb2385566
SHA1fef3611ff924ec5b85e784172b822af7de4fd701
SHA2566c98897bb3120874f2b45fd3a313feb2153344b760d79e77f013ad9817067f34
SHA51236c956f73f7a068e487a07ff3297f22054b8159bea8e8377c33bc52d9b39eee56ae403d1cd54d0cb14bc432213480a9bca62bcb968232120ce11a165daf07dc0
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Filesize
129B
MD553b344df2e22c5ac8a4ceefb64a3c810
SHA1531c23be41949847a4b6a7e9925f45b0cc28ac38
SHA2563e75cac9602d835e74e09edfee2a0dd21d2329a1f991309af5cd63695795608d
SHA51270cff1663e99d57f52c6660134df8b77872c9fa950b3e7100d9d8af5418594be24c062c9466cc49dbee6fd7404781bf7b7d3976a16189664865dc75400c2f1bd
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf