Resubmissions
10-07-2024 15:57
240710-teaw6ayfpa 10Analysis
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max time kernel
148s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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 (638) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
E35C.tmpdescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation E35C.tmp -
Deletes itself 1 IoCs
Processes:
E35C.tmppid Process 1568 E35C.tmp -
Executes dropped EXE 1 IoCs
Processes:
E35C.tmppid Process 1568 E35C.tmp -
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-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini LB3.exe -
Drops file in System32 directory 4 IoCs
Processes:
printfilterpipelinesvc.exesplwow64.exedescription ioc Process File created C:\Windows\system32\spool\PRINTERS\PP3_6kh2znlczhhp91tckyo404d.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPfbbzyj3vbvqua06ftperbnwi.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPrf7qaavhbcg_v1ccxs2gbc4q.TMP printfilterpipelinesvc.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
LB3.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\JHeK9Khre.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\JHeK9Khre.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
E35C.tmppid Process 1568 E35C.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ONENOTE.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ONENOTE.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
ONENOTE.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily ONENOTE.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU ONENOTE.EXE -
Modifies Control Panel 2 IoCs
Processes:
LB3.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe Key created \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\Desktop LB3.exe -
Modifies registry class 5 IoCs
Processes:
LB3.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JHeK9Khre\DefaultIcon\ = "C:\\ProgramData\\JHeK9Khre.ico" LB3.exe 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
LB3.exepid Process 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe 2180 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
E35C.tmppid Process 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp 1568 E35C.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
LB3.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeDebugPrivilege 2180 LB3.exe Token: 36 2180 LB3.exe Token: SeImpersonatePrivilege 2180 LB3.exe Token: SeIncBasePriorityPrivilege 2180 LB3.exe Token: SeIncreaseQuotaPrivilege 2180 LB3.exe Token: 33 2180 LB3.exe Token: SeManageVolumePrivilege 2180 LB3.exe Token: SeProfSingleProcessPrivilege 2180 LB3.exe Token: SeRestorePrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSystemProfilePrivilege 2180 LB3.exe Token: SeTakeOwnershipPrivilege 2180 LB3.exe Token: SeShutdownPrivilege 2180 LB3.exe Token: SeDebugPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeBackupPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe Token: SeSecurityPrivilege 2180 LB3.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
ONENOTE.EXEpid Process 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE 3360 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
LB3.exeprintfilterpipelinesvc.exeE35C.tmpdescription pid Process procid_target PID 2180 wrote to memory of 4368 2180 LB3.exe 89 PID 2180 wrote to memory of 4368 2180 LB3.exe 89 PID 4852 wrote to memory of 3360 4852 printfilterpipelinesvc.exe 92 PID 4852 wrote to memory of 3360 4852 printfilterpipelinesvc.exe 92 PID 2180 wrote to memory of 1568 2180 LB3.exe 93 PID 2180 wrote to memory of 1568 2180 LB3.exe 93 PID 2180 wrote to memory of 1568 2180 LB3.exe 93 PID 2180 wrote to memory of 1568 2180 LB3.exe 93 PID 1568 wrote to memory of 2160 1568 E35C.tmp 94 PID 1568 wrote to memory of 2160 1568 E35C.tmp 94 PID 1568 wrote to memory of 2160 1568 E35C.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\LB3.exe"C:\Users\Admin\AppData\Local\Temp\LB3.exe"1⤵
- 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:2180 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:4368
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C:\ProgramData\E35C.tmp"C:\ProgramData\E35C.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E35C.tmp >> NUL3⤵PID:2160
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3720
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{A89C8FF3-235B-495A-B1A5-ECD4F60FA7E1}.xps" 1336510070655700002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:3360
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD54668726799f807f4cf053e7e0dfd3dae
SHA1a272952842e04b5d58f85c6b1edb988f3a3e145a
SHA256477fc359ed725906c506651e4b26c563a01d6fe8620c1b7d6216575a35536938
SHA512731f8fff217d24196f2b551e7f77a0bc7611928aa31a1e8ef008d56e270ad85c9f2deb4fd20b85474d6a2a6722419ddeacc39573af4a53d254c36805559e8cf8
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Filesize
6KB
MD5dd746ace17e44ace00885b91400f11d5
SHA14a0302d2dca400598f396e4230fdae71779cbeaa
SHA256b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272
SHA5128ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
153KB
MD50b02da4dccc741c47de335becc312bbf
SHA11b9df1e30882a977fd35ae8d6d295ade714b8eab
SHA256792488faf91d60c21f54a8b05521c26ed5dadcddd54595e487652be0422fbd72
SHA51264dc02203b972d44fbabbddc9d61a3d9703ad442f45a46992cd4a512fb6dec79a048ebe4d04f3cffeba9a3388957bde481784121ed76cd9818b670e7566c13be
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Filesize
4KB
MD5e480159285d66e8d8c6c4b2f55fd1153
SHA158ae9b53cd5b7d25153e7f65b729754588adedde
SHA256efe95c5de3a1946d226f45d76c632a9b29aa38fbe53adfa2662c8f9bbc8906e2
SHA512275b279db480ca400bce8c2ce17c9466d5d6071f1026691bc71c913245c9f9482d0dc97333f2f4ddc00d33ccf4124cc20933628a7366314bc2fa48dec9f0df0d
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Filesize
4KB
MD55ade7a0f6e4b48a08b9d85f4cc6cae22
SHA100743461576bcac9a2370afa26d6b4b2ab92b060
SHA256fcc5898569bea356a9bbe955351506d356a43d0a0f9f8caab4a8d2d8a89a9301
SHA512f92aecee65b35ee18ed01dc46d1479301a151b01f49f719cd08c624ea6e57f2cae14540f2981795e64b1f76d63881412e4afddd1856d9f54a0e11fd446c1a3a1
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Filesize
129B
MD596b5eb512d24942a986f9a326d5bfe80
SHA12ec376f94dee70ae4939056f148904faa1b83662
SHA25673557ffe2301305c692c23600e753b5199b0fc0b31c4a578b32de55022f5677a
SHA512fac1efa6a901bdaddb4bbd2db60b1fd4324d854fe3b9e84c4bafa35fb408ff39aafb6996a7e59973b425cf985c708951f2767edd16a4beb2c9acf976d13b0058