Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24-11-2024 19:05
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20241007-en
General
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Target
LB3.exe
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Size
153KB
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MD5
6b891bc9b12b189cf8a916062db75da3
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SHA1
5f808c54f816ac7ff06695c831236453e49d63bf
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SHA256
7e32888f7a6d5b70bcdb690a82f1761607b1ab6398441228cc4ac5a098cd733b
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SHA512
1405c0fecf41e6439638244098cf8dc80b5cbb3e9645ecdd1e2fe3b38c21b0028c1075d0fcb922d83b33d980ac405ad825e3dda202a78dac0be6a14f226fb0d7
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SSDEEP
3072:c6glyuxE4GsUPnliByocWeppFtwRpkSqNmv2:c6gDBGpvEByocWeDep9SN
Malware Config
Extracted
C:\Users\Admin\iUwG9Yr05.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
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Lockbit family
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Renames multiple (319) 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 1312 B7AB.tmp -
Executes dropped EXE 1 IoCs
pid Process 1312 B7AB.tmp -
Loads dropped DLL 1 IoCs
pid Process 2896 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-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1846800975-3917212583-2893086201-1000\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-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\iUwG9Yr05.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\iUwG9Yr05.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 1312 B7AB.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 LB3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B7AB.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-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\iUwG9Yr05\DefaultIcon\ = "C:\\ProgramData\\iUwG9Yr05.ico" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.iUwG9Yr05 LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.iUwG9Yr05\ = "iUwG9Yr05" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\iUwG9Yr05\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\iUwG9Yr05 LB3.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe 2896 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp 1312 B7AB.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeDebugPrivilege 2896 LB3.exe Token: 36 2896 LB3.exe Token: SeImpersonatePrivilege 2896 LB3.exe Token: SeIncBasePriorityPrivilege 2896 LB3.exe Token: SeIncreaseQuotaPrivilege 2896 LB3.exe Token: 33 2896 LB3.exe Token: SeManageVolumePrivilege 2896 LB3.exe Token: SeProfSingleProcessPrivilege 2896 LB3.exe Token: SeRestorePrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSystemProfilePrivilege 2896 LB3.exe Token: SeTakeOwnershipPrivilege 2896 LB3.exe Token: SeShutdownPrivilege 2896 LB3.exe Token: SeDebugPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeBackupPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe Token: SeSecurityPrivilege 2896 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2896 wrote to memory of 1312 2896 LB3.exe 30 PID 2896 wrote to memory of 1312 2896 LB3.exe 30 PID 2896 wrote to memory of 1312 2896 LB3.exe 30 PID 2896 wrote to memory of 1312 2896 LB3.exe 30 PID 2896 wrote to memory of 1312 2896 LB3.exe 30 PID 1312 wrote to memory of 2748 1312 B7AB.tmp 31 PID 1312 wrote to memory of 2748 1312 B7AB.tmp 31 PID 1312 wrote to memory of 2748 1312 B7AB.tmp 31 PID 1312 wrote to memory of 2748 1312 B7AB.tmp 31
Processes
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C:\Users\Admin\AppData\Local\Temp\LB3.exe"C:\Users\Admin\AppData\Local\Temp\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:2896 -
C:\ProgramData\B7AB.tmp"C:\ProgramData\B7AB.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:1312 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B7AB.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2748
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵PID:572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD569e9f340e879a3bae094ef9f9a57a0f1
SHA14b0711f5269b0f8a6fa48928fc71b3847806a2bc
SHA256de531ea7fc54d8b8217af1ddf46b3044809f2d65d699bfa21facb32d01e5b560
SHA512f00a4421470d36e6a88b8326960ee932d4d972072797e9a9a1f72e519e93dee27fa7426caf5f6e7eec11dedc499362c936c295ac1c20191e1f6f4fd4957bd48f
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Filesize
153KB
MD5a0d1355b4ce7fc6a733c6c0532aac4ba
SHA18930947ea881be7ac7fe208ec7571b5a0e660177
SHA2566cbbcd043390614be9f1b2c8261b4698a52aa10f1de28042f08a48018c54c701
SHA5122050f39343ba7c4952a8289bba09e92113ba7def80cee31c704f271b10034aa3f9d5150130db72ca1f6f01c168490e62dfeb28bb197eb3fa34b98eed8dc4ce14
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Filesize
6KB
MD5bf4a9855c7c66106909c34f7b3107b5f
SHA1982a598330e4c205f0ee995620199a2fe655a22e
SHA2565697967cc7d2968b3e65d6c0bced3333e9bf4dc326ff964268dfc615e883f65a
SHA512c82854452e72209957773c8fbf33ade75a94dc91e221ce879d2b71bf6ea4e48fdb4e2b17563ceb8ac575ffab7ef885752c2e356fb9888cf061d876629765f112
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Filesize
129B
MD5d0dfd2f9c0f7b3d96b9d1b397a48dbc6
SHA101387394f414fd8ae54ac6803e388483fcc95cee
SHA2563902d0953ba46eba784e72975b2a6b1f633e0046cbe4c6f75e0a763034f0da89
SHA5125c7957597723e17c98d4166e6ccff4812f7f400a08ec4ad5117fde89a3adac008c5c9e2a350caaa161c610fe92fb08919479cb5ae7ee8d9526ba4a2f16bf47d0
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf