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Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24/11/2024, 19:16
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20241010-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:\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 (320) 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 1696 E273.tmp -
Executes dropped EXE 1 IoCs
pid Process 1696 E273.tmp -
Loads dropped DLL 1 IoCs
pid Process 2368 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-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\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-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\iUwG9Yr05.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\iUwG9Yr05.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 1696 E273.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LB3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language E273.tmp -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe -
Modifies registry class 5 IoCs
description ioc Process 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\iUwG9Yr05\DefaultIcon\ = "C:\\ProgramData\\iUwG9Yr05.ico" LB3.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe 2368 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp 1696 E273.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeDebugPrivilege 2368 LB3.exe Token: 36 2368 LB3.exe Token: SeImpersonatePrivilege 2368 LB3.exe Token: SeIncBasePriorityPrivilege 2368 LB3.exe Token: SeIncreaseQuotaPrivilege 2368 LB3.exe Token: 33 2368 LB3.exe Token: SeManageVolumePrivilege 2368 LB3.exe Token: SeProfSingleProcessPrivilege 2368 LB3.exe Token: SeRestorePrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSystemProfilePrivilege 2368 LB3.exe Token: SeTakeOwnershipPrivilege 2368 LB3.exe Token: SeShutdownPrivilege 2368 LB3.exe Token: SeDebugPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeBackupPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe Token: SeSecurityPrivilege 2368 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2368 wrote to memory of 1696 2368 LB3.exe 32 PID 2368 wrote to memory of 1696 2368 LB3.exe 32 PID 2368 wrote to memory of 1696 2368 LB3.exe 32 PID 2368 wrote to memory of 1696 2368 LB3.exe 32 PID 2368 wrote to memory of 1696 2368 LB3.exe 32 PID 1696 wrote to memory of 3012 1696 E273.tmp 33 PID 1696 wrote to memory of 3012 1696 E273.tmp 33 PID 1696 wrote to memory of 3012 1696 E273.tmp 33 PID 1696 wrote to memory of 3012 1696 E273.tmp 33
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:2368 -
C:\ProgramData\E273.tmp"C:\ProgramData\E273.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:1696 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E273.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:3012
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1541⤵PID:1972
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD58b01aa324a77bd2729c4126c55fbde15
SHA1d893678386327c14d2d22a4d78afe0b535c06b45
SHA2566c66702ac3f48c678dec4e5ad6d9e229e90f1d5cbefce095cec736653daef799
SHA5126d6f80e6eb87f72063e3585f29d93ba17277d4eb46094846026e59374bc255ef1d0ad33df49e8f3d7e918005e5a22bab5367d6b3324ba3c2a8825b7c13f38f1f
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
153KB
MD53007ce6adeeb67d513bcffc730567a82
SHA1973de49cfb5f0067479b7fd32737188fc9f8ff52
SHA25647d7070c5d70d8b623dd3d387f924d66d537171e18726fe489f5ca3c9bacab3f
SHA51249552004251e5c40dbf8492f355275367340b920041b0366b21f15fa354cdbb9aa51e868b9b66c75b4823628414cb2721c2dbaeed07850d0062db5ca1036ed80
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Filesize
6KB
MD52f40def8983c9aaf99f01f22843d0cf8
SHA1272541d8284aec24fb446a8d8c9eedf11d2bec55
SHA256290afd96507aefc75ec39acdeecad68a2ee6785068d261bc1613104688be4f9f
SHA51277b3ce8c6be7c0aca40028d90a40fd1449c9a51c2dae5c50e74ff14898a7af944c7329c99f3b46bd296f286577a7c3f519503c3ca7e23f4919d9d7c0aa3b69d0
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Filesize
129B
MD573c858417f462011c8c01507c6127df3
SHA1c158d99cf8d5107fc8901f67d5c42078574fbfe6
SHA2569a5a6592cd5d869e676185dad53ccce5d0896a64139f31b903a17fa9e4c10689
SHA51266b1eac44b02ca64184c36ba127d790c6591ecb63b37329f71fd41ef6175a1d69f8bac89e5c8a133cb13abe6fc3f06150e64405abf6455929210333b8ec0fd50