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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/01/2025, 08:26
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
68113e278e0a5dce97f0f4476fb869f2
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SHA1
f61827624bb4a84c11f8b2b1cb6c2f1b4e196b46
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SHA256
6cf0cfd51b09634194d679fb2c3d8706548e02125346be33ac62deb68f6f0190
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SHA512
b1e7c34ef6528e39bc17c3cf0dc7d568a51454238db8b31119ef271d6ece1ff57720d103640f8197a7aa0fa5906823ca576b5d31e8b9a0c92c07183b61f80894
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SSDEEP
3072:vqJogYkcSNm9V7DYlzukbrnfQdbHu2mT:vq2kc4m9tDYlzuAwbHu2
Malware Config
Extracted
C:\6ZHghI9GZ.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 (362) 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 1820 F641.tmp -
Executes dropped EXE 1 IoCs
pid Process 1820 F641.tmp -
Loads dropped DLL 1 IoCs
pid Process 2832 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-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\6ZHghI9GZ.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\6ZHghI9GZ.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1820 F641.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 F641.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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.6ZHghI9GZ LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.6ZHghI9GZ\ = "6ZHghI9GZ" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\6ZHghI9GZ\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\6ZHghI9GZ LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\6ZHghI9GZ\DefaultIcon\ = "C:\\ProgramData\\6ZHghI9GZ.ico" LB3.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe 2832 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp 1820 F641.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeDebugPrivilege 2832 LB3.exe Token: 36 2832 LB3.exe Token: SeImpersonatePrivilege 2832 LB3.exe Token: SeIncBasePriorityPrivilege 2832 LB3.exe Token: SeIncreaseQuotaPrivilege 2832 LB3.exe Token: 33 2832 LB3.exe Token: SeManageVolumePrivilege 2832 LB3.exe Token: SeProfSingleProcessPrivilege 2832 LB3.exe Token: SeRestorePrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSystemProfilePrivilege 2832 LB3.exe Token: SeTakeOwnershipPrivilege 2832 LB3.exe Token: SeShutdownPrivilege 2832 LB3.exe Token: SeDebugPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeBackupPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe Token: SeSecurityPrivilege 2832 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2832 wrote to memory of 1820 2832 LB3.exe 33 PID 2832 wrote to memory of 1820 2832 LB3.exe 33 PID 2832 wrote to memory of 1820 2832 LB3.exe 33 PID 2832 wrote to memory of 1820 2832 LB3.exe 33 PID 2832 wrote to memory of 1820 2832 LB3.exe 33 PID 1820 wrote to memory of 2212 1820 F641.tmp 34 PID 1820 wrote to memory of 2212 1820 F641.tmp 34 PID 1820 wrote to memory of 2212 1820 F641.tmp 34 PID 1820 wrote to memory of 2212 1820 F641.tmp 34
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:2832 -
C:\ProgramData\F641.tmp"C:\ProgramData\F641.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:1820 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F641.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2212
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:2720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5227cd5f7af5cea8a910e9d811fe1fd0b
SHA1849e8396200abe295b34cd3b2db69f6c6ed2d1d6
SHA2561c062d19b79d43e9f1fadd5a43656c85eae09f993562343193fb07a70ff624e2
SHA512b0c81282a830de068b675a88a6c68ba8b7673f874bfe9417ae8f3e0d2eebf5d1569a2e24dfae63e5887eb9a1c6710b7ab435a16cac53f1f024e3df80f0b6bc53
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Filesize
6KB
MD5dd746ace17e44ace00885b91400f11d5
SHA14a0302d2dca400598f396e4230fdae71779cbeaa
SHA256b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272
SHA5128ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1
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Filesize
153KB
MD5867d3726a860183b8ff81336d9e73de5
SHA10669709b07338d27570bd9b90bf6afac97c41322
SHA256919a329479f3745ebb8923afaf1fd1a23cc73bcfe998227321f0585a2257be03
SHA512360db1425cacd4db5104cc4c28260e2b3f9b3a70af1f271068af6ba718fb02a471ca58ec4277e3fa4b9c023d9caa7a73ca07e10f15dccc5fc1bf792288a0bec0
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Filesize
129B
MD572dd22e878aa8809f583f88ef2646fcf
SHA1130812dafca9f19f0445f1ad273d227eb0ead17e
SHA2568f8937b09c95847789df9af0d5f9ea227fb3b6a59fdb8f26bc54c6f716321d58
SHA5128321e522b6e543be4471c519cf144e7bb840a073f3fe19dea95483dd1674bf15d7f41fd522ff2652eb4c13af95c17e5a19a0813c647fb29b9b8334181ba0ea20
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf