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Analysis
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max time kernel
149s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/08/2024, 13:06
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240708-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
22 signatures
150 seconds
General
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Target
LB3.exe
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Size
147KB
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MD5
1973ccbab82020881d531ccd1f2ca48e
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SHA1
7e18f712e26ea32b0e8aeb4cd3c958eb8d32dfed
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SHA256
d20d22dd302f51341405794a8fb3866c234fafe614b67b55934a9a959a4cd847
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SHA512
67654e67afe6a3e1ddf335dff4b976e254c45d8046853607cb4e98af6cd43accee8f2e35e296b932385bc9a6b7fed96ee4be6e113457eb5eb057bd8301f476f6
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SSDEEP
1536:PzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD8UhzyIccE+72p2Kbm+0ep3PeAM:wqJogYkcSNm9V7D8URMcS0ep3BcTT
Malware Config
Extracted
Path
C:\xcEElHqGu.README.txt
Family
lockbit
Ransom Note
~~~ LockBit 3.0 the world's fastest ransomware~~~
>>>> Your data are stolen and encrypted
The data will be published on TOR website if you do not pay the ransom
All of your files have been encrypted! (Warning: Attempting to remove the software will corrupt your hard drives meaning no further use even when wiped. We simply charge $25 which is far cheaper than buying a new drive.)
Your computer was infected with a ransomware software. Your files have been encrypted and you won't be able to decrypt them without purchasing $25 BTC. What can I do to get my files back? You will send payment of $25 BTC to gain access to your files again, once payment is made after 3 confirmations on the blockchain (15 mins) your files will be restored and the software will un-install itself from your computer.
How do I pay, where do I get Bitcoin?
Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search
yourself to find out how to buy Bitcoin.
Many of our customers have reported these sites to be fast and reliable:
Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com
Payment will increase soon to double, be cooperative and your files will be released.
Payment information Amount: 0.000385636 BTC
Bitcoin Address: bc1qc76qr24pxnms9f93mytfg4dn7ztuvmje7g43dr
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (597) 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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation D63D.tmp -
Deletes itself 1 IoCs
pid Process 2016 D63D.tmp -
Executes dropped EXE 1 IoCs
pid Process 2016 D63D.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
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini LB3.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2718105630-359604950-2820636825-1000\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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Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PPulwl3xcdu5d422nvizuhwkhbd.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPzsnc54nhqbepfgk722c9e64h.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPv5mnwijpscowa95x67zb7v2mc.TMP printfilterpipelinesvc.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\xcEElHqGu.bmp" LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\xcEElHqGu.bmp" LB3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2016 D63D.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 D63D.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\Desktop LB3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\Desktop\WallpaperStyle = "10" LB3.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.xcEElHqGu\ = "xcEElHqGu" LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu\DefaultIcon LB3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu LB3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xcEElHqGu\DefaultIcon\ = "C:\\ProgramData\\xcEElHqGu.ico" LB3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe 4400 LB3.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp 2016 D63D.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeDebugPrivilege 4400 LB3.exe Token: 36 4400 LB3.exe Token: SeImpersonatePrivilege 4400 LB3.exe Token: SeIncBasePriorityPrivilege 4400 LB3.exe Token: SeIncreaseQuotaPrivilege 4400 LB3.exe Token: 33 4400 LB3.exe Token: SeManageVolumePrivilege 4400 LB3.exe Token: SeProfSingleProcessPrivilege 4400 LB3.exe Token: SeRestorePrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSystemProfilePrivilege 4400 LB3.exe Token: SeTakeOwnershipPrivilege 4400 LB3.exe Token: SeShutdownPrivilege 4400 LB3.exe Token: SeDebugPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeBackupPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe Token: SeSecurityPrivilege 4400 LB3.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE 5024 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4400 wrote to memory of 4312 4400 LB3.exe 90 PID 4400 wrote to memory of 4312 4400 LB3.exe 90 PID 1584 wrote to memory of 5024 1584 printfilterpipelinesvc.exe 93 PID 1584 wrote to memory of 5024 1584 printfilterpipelinesvc.exe 93 PID 4400 wrote to memory of 2016 4400 LB3.exe 94 PID 4400 wrote to memory of 2016 4400 LB3.exe 94 PID 4400 wrote to memory of 2016 4400 LB3.exe 94 PID 4400 wrote to memory of 2016 4400 LB3.exe 94 PID 2016 wrote to memory of 4056 2016 D63D.tmp 95 PID 2016 wrote to memory of 4056 2016 D63D.tmp 95 PID 2016 wrote to memory of 4056 2016 D63D.tmp 95
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
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:4312
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C:\ProgramData\D63D.tmp"C:\ProgramData\D63D.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D63D.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:4056
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2872
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{2011D718-A986-45C7-A556-B5143F55F8B1}.xps" 1336716401857300002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:5024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5cf4f83ee7f9c76b4a1843ad1af97cc9a
SHA13a82005dac2e8b07fb07a3ebb7b190d043eeb408
SHA256e08c85747667b32ff14f94bdd7a88d9d82af34a952b50019ac2962ffed93d093
SHA512e0db52af33079ebd96a5343f693720765b6c0207ee3a296c7342a8e9ae6ddf465e88488c23894f0ea364ed850cc4ae930763d64a04557a1c082fcb7b2c40c882
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
147KB
MD5edfb6862a661c76e59da3846df219810
SHA1ab1272a63049daa4731d427351d36a40e885d6c8
SHA256a12784227051456f1083dba4cfc19837814201bc4adb968e1b751e3bd5b0e1a7
SHA512d0ce3adaced6024bd6633ce9344538235ec7d1c4e5002e77c486b11575f8f9eff64a29ff98e4043bdec7005022fc83a977185efcce419ac63c0f0ed9693133a6
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Filesize
4KB
MD57b58bd34cdceefac3f58dc132b2323f5
SHA11eef44f124aa8aa48ff85a6f6530cc161a117a22
SHA256930c444a95273e98138d7c8d3396049336e556ae76ef2cbb88542327e4e60b01
SHA512018e248e086781d08603c6f22c2e55f545949a8e4e4af69f5662519e821b5eba64f10abb37fa94c2190726a115988b6acf759bc868c7103dc99d1209949f5fcc
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Filesize
1KB
MD57fd2336a4cae4c2f51bb0860a6748860
SHA169ef22fd3afb86945d371d4be0fe9c507880dd1b
SHA256413dd9df6327c861bd0ba99a1e99b2b00b75961230d8b499c993419da1ecca29
SHA5128791bd4195522517edd5a05cec17473fb01bd9865d4f4ea9966ee105fc0dc9d720c56c84af278d3bb5b31915aba678b7786e086f4890ea138f2ff47f0288c523
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Filesize
129B
MD5157daf0a4bf33aa751b1abe3c1103272
SHA18eed4fa1af25d50e326db48371f1b3eb155445c2
SHA25634472b87ef240c1489b786cd29a0905423c1ff84a4ca5203579930f6856cd414
SHA51262eab4c6107eecc48012d547994e1ff552ab820a40bcc54427b562b412489eda50ed099a10ef3ed5612e17782c7b52737a399695770bf34793f12c5cf926b0fa