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Overview
overview
10Static
static
10Lockbit-Ra...er.exe
windows7-x64
9Lockbit-Ra...er.exe
windows10-2004-x64
9Lockbit-Ra...er.exe
windows7-x64
9Lockbit-Ra...er.exe
windows10-2004-x64
9Lockbit-Ra...en.exe
windows7-x64
9Lockbit-Ra...en.exe
windows10-2004-x64
9Lockbit-Ra...ME.vbs
windows7-x64
1Lockbit-Ra...ME.vbs
windows10-2004-x64
1Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2024, 14:51
Behavioral task
behavioral1
Sample
Lockbit-Ransomware-Builder-main/Builder.exe
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral2
Sample
Lockbit-Ransomware-Builder-main/Builder.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
Lockbit-Ransomware-Builder-main/Decrypter.exe
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral4
Sample
Lockbit-Ransomware-Builder-main/Decrypter.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
Lockbit-Ransomware-Builder-main/KeyGen.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral6
Sample
Lockbit-Ransomware-Builder-main/KeyGen.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
Lockbit-Ransomware-Builder-main/README.vbs
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral8
Sample
Lockbit-Ransomware-Builder-main/README.vbs
Resource
win10v2004-20241007-en
windows10-2004-x64
General
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Target
Lockbit-Ransomware-Builder-main/Builder.exe
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Size
146KB
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MD5
39c9477cf131ca5ccc05c8871c0e10e6
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SHA1
07b2581b2cb41053d09c4bb896aaabc1d28f2a7b
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SHA256
939281eac1c6e5aa2e4238a1e545e67b2609c15f517474b2a5133bb64fe9c1eb
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SHA512
689fd585232031f746b1573d3ed66ac329420611d4e1092ce6952b49ab0c168091726bd02189a4e183d1196ced4f51953e4eb25a5219a36f86d8f6761da9f129
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SSDEEP
1536:xzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDqk3sA9atm8z+L8QBfuSoyAMjwT:KqJogYkcSNm9V7D7352v+L8DnyAewT
Malware Config
Signatures
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Renames multiple (599) 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation FD6C.tmp -
Deletes itself 1 IoCs
pid Process 3112 FD6C.tmp -
Executes dropped EXE 1 IoCs
pid Process 3112 FD6C.tmp -
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-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini Builder.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini Builder.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\PP2ea1xo08bxv1an4k7hg_g9thd.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\PPs0z4lw8d0n6anl06rjw6fi80c.TMP printfilterpipelinesvc.exe File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe File created C:\Windows\system32\spool\PRINTERS\PP5pq6juv379h33ga3w4nmg473b.TMP printfilterpipelinesvc.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\1pvSvxmZY.bmp" Builder.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\1pvSvxmZY.bmp" Builder.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3112 FD6C.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 Builder.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FD6C.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 Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop\WallpaperStyle = "10" Builder.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop Builder.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\1pvSvxmZY\DefaultIcon\ = "C:\\ProgramData\\1pvSvxmZY.ico" Builder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1pvSvxmZY Builder.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1pvSvxmZY\ = "1pvSvxmZY" Builder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\1pvSvxmZY\DefaultIcon Builder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\1pvSvxmZY Builder.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe 2476 Builder.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp 3112 FD6C.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeDebugPrivilege 2476 Builder.exe Token: 36 2476 Builder.exe Token: SeImpersonatePrivilege 2476 Builder.exe Token: SeIncBasePriorityPrivilege 2476 Builder.exe Token: SeIncreaseQuotaPrivilege 2476 Builder.exe Token: 33 2476 Builder.exe Token: SeManageVolumePrivilege 2476 Builder.exe Token: SeProfSingleProcessPrivilege 2476 Builder.exe Token: SeRestorePrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSystemProfilePrivilege 2476 Builder.exe Token: SeTakeOwnershipPrivilege 2476 Builder.exe Token: SeShutdownPrivilege 2476 Builder.exe Token: SeDebugPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeBackupPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe Token: SeSecurityPrivilege 2476 Builder.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE 1728 ONENOTE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2476 wrote to memory of 3156 2476 Builder.exe 91 PID 2476 wrote to memory of 3156 2476 Builder.exe 91 PID 4144 wrote to memory of 1728 4144 printfilterpipelinesvc.exe 98 PID 4144 wrote to memory of 1728 4144 printfilterpipelinesvc.exe 98 PID 2476 wrote to memory of 3112 2476 Builder.exe 99 PID 2476 wrote to memory of 3112 2476 Builder.exe 99 PID 2476 wrote to memory of 3112 2476 Builder.exe 99 PID 2476 wrote to memory of 3112 2476 Builder.exe 99 PID 3112 wrote to memory of 4452 3112 FD6C.tmp 101 PID 3112 wrote to memory of 4452 3112 FD6C.tmp 101 PID 3112 wrote to memory of 4452 3112 FD6C.tmp 101
Processes
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C:\Users\Admin\AppData\Local\Temp\Lockbit-Ransomware-Builder-main\Builder.exe"C:\Users\Admin\AppData\Local\Temp\Lockbit-Ransomware-Builder-main\Builder.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:2476 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:3156
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C:\ProgramData\FD6C.tmp"C:\ProgramData\FD6C.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:3112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FD6C.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:4452
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1104
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{56CF2521-BBA7-4D0C-BE53-8D3B0A7268AA}.xps" 1337710628637700002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:1728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5ba0d0e55e055297a7c621edd3be3d214
SHA12dc5caf3842a974157bc25aff46df438285eb82d
SHA25692e5b285bf1d4ab78237d82b9165bcf934a955113817f3f8044c162403114beb
SHA51249452b1e48161401c0523b4fd846404c0ff80b4a56eb3b237a4a0538fb1c600e0a937779b8c5faa45d6cb379995c962acc41b96fce762d1814ae098e2288fb72
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Filesize
348B
MD59810eed5ecd966874ebeb398ac6531ed
SHA117d2e2bc15df652734b79185cb323e652559fd6a
SHA25653183e5ed0cf42bed46b17c9dcc92ea49737bb57dce34f1e20675a913796566e
SHA512b26ca61461ed8b09f037e33d209cd0a22959b89e3e7895e057f544010fd5ae037e4fa76311763c121cd6e8b3050de22fa7d2163b4d9cf40585e14f5024e0cb79
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5d48e457eec034676ca79dd4f8652bd18
SHA189bd106f73e6a7392fca8e8e8628d59cda60fd00
SHA2561961ec3d67fcd1a3e6604f3f8c8c9208d2c8fd7c290ec2f91a85a23d28dd8280
SHA5126739cd0145aad255560d7f7be7ff821a878c90826134cc1c4c8e5c2d81c24b7fcf2f41127c414f048d322d8918e6943ce2bc4ff09f27afda6dad57e23304631c
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Filesize
4KB
MD5acd4250b7b896ae2fbcba5ea41888119
SHA131e52093800e9dba8f9cebca6097bbbed5cab29c
SHA256fc47cdbb62b4d34cf1208bc7319437cb3495cf35627f53e061a06be8105ebc31
SHA512ad27b27832dbfeed03d201c94109542df44792c7a2993395ccad0bd9a9bddd82396497467f41416a1b50b7615098909aac6ac17726db3cbda1acee98ef807106
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Filesize
129B
MD557ea9164f86627cf1af50891d086aa0d
SHA131a56e1bb9868983aae7fa9f43ff7aa48061b5ed
SHA256f8a18cc61a4cdea2fff3c560616c816bf0a4089c3d3b685469611c064d5023b6
SHA5121c787546bf19ef6c32d62f09c7cdf51605e52c3e1735a290efd474cadbeb65c0f8d527f78bdc15ad0569684ebe0ca04346669f7f3a433960644b5641ea987044