Resubmissions
10-07-2024 15:57
240710-teaw6ayfpa 10Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
10-07-2024 15:57
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20240709-en
General
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Target
LB3.exe
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Size
153KB
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MD5
c918f74d6c279394bf1805aff35817e0
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SHA1
8d97dee9680580cab8cea83038a51549ffee5a12
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SHA256
6b8e68c81e38f2275df89f5feb9fe2ced2ab18c6b577d29c26fd278f97719c65
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SHA512
d86ea7e504c713520cc3f72dc5869d9d7f17eb3c76da7839224da05aa85c62ff7478e4e714e5edb7bedb0850d06ac76b6d5a989cf92933ac7bce5167dff18234
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SSDEEP
1536:XzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDMCUc0Re4viwrYcVajyVXi0bXlC:oqJogYkcSNm9V7DMEHh2RR31DGT
Malware Config
Extracted
C:\JHeK9Khre.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 (821) 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
Processes:
8353.tmppid Process 1900 8353.tmp -
Executes dropped EXE 1 IoCs
Processes:
8353.tmppid Process 1900 8353.tmp -
Loads dropped DLL 1 IoCs
Processes:
LB3.exepid Process 2256 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
Processes:
LB3.exedescription 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 -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
LB3.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\JHeK9Khre.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\JHeK9Khre.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
8353.tmppid Process 1900 8353.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies Control Panel 2 IoCs
Processes:
LB3.exedescription 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
Processes:
LB3.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.JHeK9Khre LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.JHeK9Khre\ = "JHeK9Khre" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JHeK9Khre\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JHeK9Khre LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JHeK9Khre\DefaultIcon\ = "C:\\ProgramData\\JHeK9Khre.ico" LB3.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
LB3.exepid Process 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe 2256 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
8353.tmppid Process 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp 1900 8353.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
LB3.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeDebugPrivilege 2256 LB3.exe Token: 36 2256 LB3.exe Token: SeImpersonatePrivilege 2256 LB3.exe Token: SeIncBasePriorityPrivilege 2256 LB3.exe Token: SeIncreaseQuotaPrivilege 2256 LB3.exe Token: 33 2256 LB3.exe Token: SeManageVolumePrivilege 2256 LB3.exe Token: SeProfSingleProcessPrivilege 2256 LB3.exe Token: SeRestorePrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSystemProfilePrivilege 2256 LB3.exe Token: SeTakeOwnershipPrivilege 2256 LB3.exe Token: SeShutdownPrivilege 2256 LB3.exe Token: SeDebugPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeBackupPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe Token: SeSecurityPrivilege 2256 LB3.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
LB3.exe8353.tmpdescription pid Process procid_target PID 2256 wrote to memory of 1900 2256 LB3.exe 32 PID 2256 wrote to memory of 1900 2256 LB3.exe 32 PID 2256 wrote to memory of 1900 2256 LB3.exe 32 PID 2256 wrote to memory of 1900 2256 LB3.exe 32 PID 2256 wrote to memory of 1900 2256 LB3.exe 32 PID 1900 wrote to memory of 2064 1900 8353.tmp 33 PID 1900 wrote to memory of 2064 1900 8353.tmp 33 PID 1900 wrote to memory of 2064 1900 8353.tmp 33 PID 1900 wrote to memory of 2064 1900 8353.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
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\ProgramData\8353.tmp"C:\ProgramData\8353.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\8353.tmp >> NUL3⤵PID:2064
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1541⤵PID:832
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD560c7c6b6486fb0500b978984512d6524
SHA1aacc9d6059b9b25e74d4b52709eed5331a8cb0fe
SHA2567ce0f24bf65e6ed80766638545998140593be79bc1c69f9720c75fba45fdde27
SHA512bc0c7b8c4aba5a11d4db917c8e38021619ca49d8e8b063637dbe0ec45ea07163c34d897ff4f77ecff8e056f84e236f996715ab6ff3d6290a4642e40bda8a34aa
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Filesize
6KB
MD5dd746ace17e44ace00885b91400f11d5
SHA14a0302d2dca400598f396e4230fdae71779cbeaa
SHA256b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272
SHA5128ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1
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Filesize
153KB
MD5c9c929849bf5ca444ea1bba43247d574
SHA19d4b58183ba45e651461cef7841be426e42eeb30
SHA2562891516f16937ce82b3605ca276a5cf213e88cf63ada8ba490aebda3d6a4792e
SHA5123a4b043ece8319ae19cbc57d03937cce038533b7739a2488ffb2c05c44cf6f8de495875f71ef84cb18f6092abca2ab30998a77712a99d10ed0df521b0fb9cd7d
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Filesize
129B
MD551a9ea688d1087354f7e754efe79f350
SHA104b3842581585cb7089a5f9a3c346f6f90484610
SHA256ebd1507b15fe66886cb932c16d5bcb2e49ed5c368a2dfca73e1638e3c429a6a0
SHA51299957fb54ff10940c6066cf4aecb45df15d4d12b0398a173925be388782347c526b41c9228f30cdc0c0d2f0e0cafcfcb18677785a319884b1b668fb289d8b1a5
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf