Analysis
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max time kernel
85s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
04/08/2024, 23:49
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20240802-en
General
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Target
LB3.exe
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Size
153KB
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MD5
21d260863368a8641f764cd86deec51b
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SHA1
2095cfa4b394171968fa6fa774a66434bd208ee6
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SHA256
d50d651083ad69e043488da182d603c7bf7356e1cf9103525989d3c950a96cd1
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SHA512
28f10027b172568451111dc13f70e59b85daa1cfb9c5756595649f16526208c4f39ffef1652180212c45ef9597d53d3be524958dd25cdb0c625fdc5b1a27fdc1
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SSDEEP
3072:oqJogYkcSNm9V7Dho50KwhXyWAN5UGl0T:oq2kc4m9tDLzAR
Malware Config
Extracted
C:\smpT5Oejp.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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Renames multiple (841) 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 2008 C4D5.tmp -
Executes dropped EXE 1 IoCs
pid Process 2008 C4D5.tmp -
Loads dropped DLL 1 IoCs
pid Process 1560 LB3.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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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2212144002-1172735686-1556890956-1000\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-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\smpT5Oejp.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\smpT5Oejp.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2008 C4D5.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 C4D5.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-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\smpT5Oejp LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\smpT5Oejp\DefaultIcon\ = "C:\\ProgramData\\smpT5Oejp.ico" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.smpT5Oejp LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.smpT5Oejp\ = "smpT5Oejp" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\smpT5Oejp\DefaultIcon LB3.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe 1560 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp 2008 C4D5.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeDebugPrivilege 1560 LB3.exe Token: 36 1560 LB3.exe Token: SeImpersonatePrivilege 1560 LB3.exe Token: SeIncBasePriorityPrivilege 1560 LB3.exe Token: SeIncreaseQuotaPrivilege 1560 LB3.exe Token: 33 1560 LB3.exe Token: SeManageVolumePrivilege 1560 LB3.exe Token: SeProfSingleProcessPrivilege 1560 LB3.exe Token: SeRestorePrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSystemProfilePrivilege 1560 LB3.exe Token: SeTakeOwnershipPrivilege 1560 LB3.exe Token: SeShutdownPrivilege 1560 LB3.exe Token: SeDebugPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeBackupPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe Token: SeSecurityPrivilege 1560 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1560 wrote to memory of 2008 1560 LB3.exe 31 PID 1560 wrote to memory of 2008 1560 LB3.exe 31 PID 1560 wrote to memory of 2008 1560 LB3.exe 31 PID 1560 wrote to memory of 2008 1560 LB3.exe 31 PID 1560 wrote to memory of 2008 1560 LB3.exe 31 PID 2008 wrote to memory of 2404 2008 C4D5.tmp 32 PID 2008 wrote to memory of 2404 2008 C4D5.tmp 32 PID 2008 wrote to memory of 2404 2008 C4D5.tmp 32 PID 2008 wrote to memory of 2404 2008 C4D5.tmp 32
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
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\ProgramData\C4D5.tmp"C:\ProgramData\C4D5.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:2008 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C4D5.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2404
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1541⤵PID:1708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD53b9d3438357f3287126afd0c622ec3b3
SHA1fd75c7618f4ee7ad1c50502f8c8cf1a965daf1b9
SHA256596ea46caf7f54d1a88166b13ed2b2f584b4f6b5cfef1ffa717f88aaf91d2245
SHA512e19a9b6e4cbd22eeb1cf4cd58198c2debda6aa615296c10adbb138cd4ceaa6a104c327caa28c3bb274b5f9cfc2c9e53af5f2ceef44ba94e98a84ced8fa7355b3
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Filesize
153KB
MD5e8c118946042d9321990450442e8a9c2
SHA1a447a393108881f7d61b9255cde932f97e3f981c
SHA256327258f56bbb48ef566d72a532a25054f309c0a7c177601a358a1242fe88b6ab
SHA512e53dc3406f62df3d80574dd08da6b97aa1bf55f8990f15b2231586df9ee307736e7b6f7564efb09ebf673840d0d458dbc0daf8244a43b8260628a3be65398129
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Filesize
6KB
MD5dd746ace17e44ace00885b91400f11d5
SHA14a0302d2dca400598f396e4230fdae71779cbeaa
SHA256b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272
SHA5128ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1
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Filesize
129B
MD5f345ebccafc3eb5a6d1a6d54ffbed79b
SHA1bf6b924de12b79608947200f213456ed976711f3
SHA256ec3c453a9643d254191423e6e1e85e4d3b5a86420d3aa24281ffb4f6fe96b65c
SHA5125da357746752a6cb44be4583f4a1a8a8d65aaeac9fb99802c1be57248c42e8bc58d0f92f58b29cd24f9c4fee440e1b4cc7727eef3c0c991bd6c8e382b2a3a15d
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf