Analysis Overview
SHA256
34ae59b7acc09c2e82625640cae82c5158b649db1418ddbaa24138b51f1722c5
Threat Level: Known bad
The file LockBit-Black-Builder-main.zip was found to be: Known bad.
Malicious Activity Summary
Blackmatter family
Lockbit family
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Renames multiple (358) files with added filename extension
Renames multiple (629) files with added filename extension
Renames multiple (624) files with added filename extension
Renames multiple (371) files with added filename extension
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Deletes itself
Executes dropped EXE
Indicator Removal: File Deletion
Drops desktop.ini file(s)
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Sets desktop wallpaper using registry
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Modifies Control Panel
Suspicious behavior: AddClipboardFormatListener
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Opens file in notepad (likely ransom note)
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-26 18:04
Signatures
Blackmatter family
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Analysis: behavioral10
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\keygen.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\keygen.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\keygen.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral16
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
157s
Command Line
Signatures
Lockbit
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 404 -ip 404
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 264
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.143.182.52.in-addr.arpa | udp |
Files
memory/404-0-0x0000000000400000-0x0000000000429000-memory.dmp
memory/404-1-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral17
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20240903-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\builder.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\builder.exe"
Network
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20241010-en
Max time kernel
149s
Max time network
124s
Command Line
Signatures
Reads user/profile data of web browsers
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe"
Network
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20241010-en
Max time kernel
122s
Max time network
122s
Command Line
Signatures
Lockbit
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1796 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1796 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1796 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1796 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 88
Network
Files
memory/1796-0-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1796-1-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
139s
Command Line
Signatures
Lockbit
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_pass.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1476 -ip 1476
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 264
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
Files
memory/1476-0-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1476-1-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral9
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\keygen.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\keygen.exe"
Network
Files
Analysis: behavioral20
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
133s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\keygen.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\keygen.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\keygen.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
Files
Analysis: behavioral7
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20240903-en
Max time kernel
122s
Max time network
122s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\builder.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\builder.exe"
Network
Files
Analysis: behavioral14
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Reads user/profile data of web browsers
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 102.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 102.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.73.42.20.in-addr.arpa | udp |
Files
Analysis: behavioral15
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20240903-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Lockbit
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2300 wrote to memory of 1372 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2300 wrote to memory of 1372 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2300 wrote to memory of 1372 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2300 wrote to memory of 1372 | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 88
Network
Files
memory/2300-0-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2300-1-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral11
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20241023-en
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Lockbit
Lockbit family
Renames multiple (358) files with added filename extension
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Indicator Removal: File Deletion
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\HHuYRxB06.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\HHuYRxB06.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\D77B.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06 | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon\ = "C:\\ProgramData\\HHuYRxB06.ico" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06 | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06\ = "HHuYRxB06" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
| N/A | N/A | C:\ProgramData\D77B.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe"
C:\ProgramData\D77B.tmp
"C:\ProgramData\D77B.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D77B.tmp >> NUL
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x14c
Network
Files
memory/1972-0-0x0000000000160000-0x00000000001A0000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini
| MD5 | 04f628eee85cc0c10931243d7fa9f956 |
| SHA1 | 0c21e6ae6f1c7e051864eb3f181b3d113e838aa8 |
| SHA256 | 74436b820296c09cdfa83eef740e6495039588c01832d47ae136cfc178c6518d |
| SHA512 | 4352008ff101fe30d3297e0e5747a24d8426a4a8f5d16295cd21ce0463297739defe56ad0914226a1b71044ada7b1ea5330f88f2d42fe6c116d7a729f481295d |
C:\HHuYRxB06.README.txt
| MD5 | dfa750e4b87581175759b15574a033de |
| SHA1 | 0736dc774a1a93fc52d17955a080633c8b214577 |
| SHA256 | 5db35568702b34111f390463740726af9a71fd624c1f3dedfa9ca54fa54ea8fd |
| SHA512 | 3a47be694b21f191717ca0bc705c1d5b12c795de46a99c5c7c6ffce85d64451d22db623f00091ae4ed9231ebbdd8bbaa49a5b86528cfd90eda0756c09d437011 |
F:\$RECYCLE.BIN\S-1-5-21-1163522206-1469769407-485553996-1000\BBBBBBBBBBB
| MD5 | bb46472d20ceb59233d38e05d92ea00c |
| SHA1 | 267655591f04566b062162e3b216262982efae14 |
| SHA256 | 4d505ae74c033cc1256fc2ae84feb5db192f195dada75d2b233c63046a474e4f |
| SHA512 | 97270f570042b3803eab0668d3193de49b064e4ca146e675f3520565e446218c18a60dbfa1d2249314019429e4658287e2d3ae682eefba758be055d4bc1fabe8 |
\ProgramData\D77B.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/1308-897-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/1308-902-0x000000007EF20000-0x000000007EF21000-memory.dmp
memory/1308-901-0x00000000003A0000-0x00000000003E0000-memory.dmp
memory/1308-900-0x00000000003A0000-0x00000000003E0000-memory.dmp
memory/1308-899-0x000000007EF80000-0x000000007EF81000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\DDDDDDD
| MD5 | 08f5f12a9409ed3e58030fafcb7556bb |
| SHA1 | fbaeb416d8bdc5342f8090ddc24d54ecbc4a46fd |
| SHA256 | bb3092bff6d36d25e695ff5781d47719bfbfaf6c6562be703b72c144db0be786 |
| SHA512 | b8440a921f5340ccb458544ff021626da42c7bd2c4c65b08a9f003340b232c50bf41bea29eb7352264bd83eb83d0ebaa4c6890dfb15db5b719c9166dd5d1b2a8 |
memory/1308-932-0x000000007EF60000-0x000000007EF61000-memory.dmp
memory/1308-931-0x000000007EF40000-0x000000007EF41000-memory.dmp
Analysis: behavioral13
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20241010-en
Max time kernel
146s
Max time network
126s
Command Line
Signatures
Reads user/profile data of web browsers
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3Decryptor.exe"
Network
Files
Analysis: behavioral18
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\builder.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\builder.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\builder.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral19
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\keygen.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\keygen.exe"
Network
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win7-20240729-en
Max time kernel
67s
Max time network
24s
Command Line
Signatures
Lockbit
Lockbit family
Renames multiple (371) files with added filename extension
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Indicator Removal: File Deletion
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ZImkTWSLZ.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ZImkTWSLZ.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\FD62.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.ZImkTWSLZ | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.ZImkTWSLZ\ = "ZImkTWSLZ" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ\DefaultIcon\ = "C:\\ProgramData\\ZImkTWSLZ.ico" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
| N/A | N/A | C:\ProgramData\FD62.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe"
C:\ProgramData\FD62.tmp
"C:\ProgramData\FD62.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FD62.tmp >> NUL
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ZImkTWSLZ.README.txt
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x148
Network
Files
memory/2540-0-0x0000000000210000-0x0000000000250000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\AAAAAAAAAAA
| MD5 | a8fbec7e796cacec3a19874d870b261b |
| SHA1 | 8261454843f956ffc1ce9140803d7e7ac82ff10e |
| SHA256 | 0a74422de43f63d48af81de81802be749fbc7537915d8124d7fbf7f6d2da0e81 |
| SHA512 | fcc500559ee41437e21008eae812c1895ab7f40d52e641219ba2df3ff4699a9fa08ad3c806f0f2d5d40204c01a056f1e9e08e82bbd038b5ce1c9c75fb3ac09af |
F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\EEEEEEEEEEE
| MD5 | 75ddc3a6acb1865c4c1a5c4b9a674ed6 |
| SHA1 | a16597aaca37c505bd2e089899fc8b0bfbf04432 |
| SHA256 | 63331b45ef44d64b9e311277d32a1265d58fc207794e72e88cec4c50e00995a2 |
| SHA512 | 09fe02ff2be64d0281ccbd840c747b974dd1902160f029bd0bc6de6cbd432a6dcf7a93ea8b3e32100329ac83d5be00f4990c2b8e89cc59385f82889a18d8e6cf |
C:\ZImkTWSLZ.README.txt
| MD5 | c99286949a888ffaf1ece9528ace6980 |
| SHA1 | 65352b807fbdb745271347bf8fb839513a98beb6 |
| SHA256 | 2c31a092980065973477e7101de9b7a63cc130c270c1c0c9087f2675a85620f6 |
| SHA512 | 83fe7297520b78d3cd862f6a3f4f0565eac479a74218af712a66db7c1d0c10d2d85fe79df66eac3187cb6f256d088c0a68a96f8193a2c2c168e49d3326970321 |
\ProgramData\FD62.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/2376-909-0x000000007EF80000-0x000000007EF81000-memory.dmp
memory/2376-908-0x00000000004E0000-0x0000000000520000-memory.dmp
memory/2376-907-0x000000007EF20000-0x000000007EF21000-memory.dmp
memory/2376-906-0x00000000004E0000-0x0000000000520000-memory.dmp
memory/2376-904-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\DDDDDDD
| MD5 | 594bc8cbc0e6b6fb2e4742af8f30b5a3 |
| SHA1 | 81265187ccbf9bb158d32b225d17025a49ea7dd2 |
| SHA256 | faedd3f78a67ca685a18e26f3c38d07d6b52e159107baa7dc7afae6733794f04 |
| SHA512 | 0f39ffac94813d9ab6496b4c309fad4fd6c036f770b4140072db593258997f246798ace3ac4c61beffb9c3271157da4e006d8588222ce384026f4cd27c531aef |
memory/2376-939-0x000000007EF60000-0x000000007EF61000-memory.dmp
memory/2376-938-0x000000007EF40000-0x000000007EF41000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
110s
Max time network
150s
Command Line
Signatures
Lockbit
Lockbit family
Renames multiple (624) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\ProgramData\F02D.tmp | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\spool\PRINTERS\00002.SPL | C:\Windows\splwow64.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PP0mf1x1vjc3p72fr0v963zp3bb.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPeeyaz3chgpfp3zv18_meiv1v.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPq0qxh5z8lw7gif4lxrlh_wgd.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ZImkTWSLZ.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ZImkTWSLZ.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\F02D.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.ZImkTWSLZ\ = "ZImkTWSLZ" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\ZImkTWSLZ\DefaultIcon\ = "C:\\ProgramData\\ZImkTWSLZ.ico" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.ZImkTWSLZ | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
| N/A | N/A | C:\ProgramData\F02D.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
C:\Windows\system32\printfilterpipelinesvc.exe
C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3F637B2A-FA09-4CD2-957E-250E44D074CE}.xps" 133771179100330000
C:\ProgramData\F02D.tmp
"C:\ProgramData\F02D.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F02D.tmp >> NUL
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ZImkTWSLZ.README.txt
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.28.47:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 97.32.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 47.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 169.253.116.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/2896-0-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/2896-2-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/2896-1-0x0000000000F50000-0x0000000000F60000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-2437139445-1151884604-3026847218-1000\OOOOOOOOOOO
| MD5 | 1d5641bbed653d8a453344a311524d58 |
| SHA1 | b5f911e3a3b52415bdf7455864db93f07bf21813 |
| SHA256 | e6c8720a251b9c1e326bf79381e62520c99b333a2f98adaa44a09c3fbe81e3e2 |
| SHA512 | ac2eab28648cb4a8f50ef6fcc6c6ef7cc8edb9b889534f3f7d3eb919d9a00dfed1fafdad1236c82cea623741069a2fa7617ddc35917f15c6d72df56504379e4b |
F:\$RECYCLE.BIN\S-1-5-21-2437139445-1151884604-3026847218-1000\DDDDDDDDDDD
| MD5 | 369561af548d91ef8fd370fbb092c13d |
| SHA1 | 486222e5c3b581276f51903b4836eeb4783cc5b6 |
| SHA256 | 50209a433e4c9e21dc143f8f115a27827a8b6a66ab6cd9824981d3bc7c4cffbf |
| SHA512 | d700aaa534651550626dbd1486f46242db0b2188d4003f8747f4806708e8169ff4fc9fde9c6d01821e259b0127ce50dfa15615cb2d4488db7c4a7a65a18c093b |
C:\ZImkTWSLZ.README.txt
| MD5 | ac0a72561be286c96ed6a9f1c968a9a7 |
| SHA1 | 70b5a6beae64a6d700b289802363770c97cb7be8 |
| SHA256 | 1d99f379400fc1034c25515fea96ac07539a9db38dd377e924c3d0a34814803e |
| SHA512 | c40b22cd97fa49ee9eb8493feee1690ee33773947b23535e5bea444334f9a753e6531bf6e1ccaefa9abe8a04da7e8319bcc6314eb2c609414a602c9ea1fe09b3 |
memory/2896-2977-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/2896-2979-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/2896-2978-0x0000000000F50000-0x0000000000F60000-memory.dmp
C:\ProgramData\F02D.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/964-2995-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-2996-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-2998-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-2999-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-2997-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\DDDDDDD
| MD5 | 9d71043997c8ec1a2e280eae416aed0d |
| SHA1 | f0a349a0d53da4bcc94a13539bb8801fe27c4f0e |
| SHA256 | f2437a96e8e4c4d2fd422aaf6522a56fff10540f806dd1fd423cfde666bc7ff4 |
| SHA512 | 98513f34b59094def291ded825db867af710dcc22d409957a8ce8da2c202a0b1b7a4dc5066b0db6d590e3a5e55927281318ac078ed092dcd684bcf6d3a7055a0 |
memory/964-3028-0x00007FFECA190000-0x00007FFECA1A0000-memory.dmp
memory/964-3029-0x00007FFECA190000-0x00007FFECA1A0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\{1F5E15EA-DC4B-4924-9112-EEECBAF0FB55}
| MD5 | 54f43cfc0bc6a5ab4c8df3c6d3462b70 |
| SHA1 | be7550055ff19b602b6378438dd70463091344bf |
| SHA256 | 577e86c976c1cec4290e01bd61e2baa29ec336a1bd271e178244dd862c5f7432 |
| SHA512 | 6fb2f99495841f418496a6b0246f814cca0eb8fc61d67cd5e1a56d46ef07309730d01bc6c159c82122080d7f98614a3526db9a38a52159f1b844debfda8db2cd |
C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
| MD5 | 0f063f48718a7b4bd6e4f4b780598266 |
| SHA1 | 2b27331d978460d75190b94aa8cd7ca761954801 |
| SHA256 | 0f666fa52b2bc4a0ca1176f4d727ae805418bb6bdf27dd9ace259744ce7bd8f5 |
| SHA512 | c82300bc9e8a1855f634e12bf21df942b7e71f7517bb254e729f5c41cd686d52ce0ac843c7fc513a5f84ce58d9f213110e57d03b08b3b3a3f500fc396202fe8f |
memory/964-3067-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-3068-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-3070-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
memory/964-3069-0x00007FFECC4B0000-0x00007FFECC4C0000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
140s
Command Line
Signatures
Reads user/profile data of web browsers
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3Decryptor.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.209.201.84.in-addr.arpa | udp |
Files
Analysis: behavioral8
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\builder.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\builder.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\builder.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral12
Detonation Overview
Submitted
2024-11-26 18:04
Reported
2024-11-26 18:07
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Lockbit
Lockbit family
Renames multiple (629) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\ProgramData\CAE.tmp | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-940901362-3608833189-1915618603-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-940901362-3608833189-1915618603-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\spool\PRINTERS\PP5in91lfeynlnl1ghljzqcrgic.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\00002.SPL | C:\Windows\splwow64.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPh066787ykgv1u72vova5w75t.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPlblqnu612khida759o204a2ob.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\HHuYRxB06.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\HHuYRxB06.bmp" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\CAE.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06 | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.HHuYRxB06\ = "HHuYRxB06" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06 | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\HHuYRxB06\DefaultIcon\ = "C:\\ProgramData\\HHuYRxB06.ico" | C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
| N/A | N/A | C:\ProgramData\CAE.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
C:\Windows\system32\printfilterpipelinesvc.exe
C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{C7985D49-38DC-4407-8A20-750A91B9831E}.xps" 133771179121590000
C:\ProgramData\CAE.tmp
"C:\ProgramData\CAE.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\CAE.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| NL | 52.109.89.19:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 19.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/1148-1-0x0000000002D60000-0x0000000002D70000-memory.dmp
memory/1148-0-0x0000000002D60000-0x0000000002D70000-memory.dmp
memory/1148-2-0x0000000002D60000-0x0000000002D70000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-940901362-3608833189-1915618603-1000\FFFFFFFFFFF
| MD5 | b1d67c38373130c0642173b5ec3e5a94 |
| SHA1 | 6207d0670f036cd78398beed7ed2347eee6e05fb |
| SHA256 | 2a24194245054b6dfe97b47ce05b5e057d998f8f00418f6e70356ef7c7acd67b |
| SHA512 | 19a631e1f8f63f3de1735898e5f76231a5ebfab682510d3cb57b7b0afc8a97eb34132763ad19d079845fbabf81b76b4f1cd9bd4178139fe80692acee285c21be |
F:\$RECYCLE.BIN\S-1-5-21-940901362-3608833189-1915618603-1000\DDDDDDDDDDD
| MD5 | 8c883f2af0fcd79411c4e3c22ddbc16e |
| SHA1 | 702aa424add1a666d16e9740e48585cbb36b6028 |
| SHA256 | 90f40f8e232e1e9310a3bb759ded03fe57de30f69478e945f021b4275bd5f3f9 |
| SHA512 | b68a0c6f6f80a590f54f60a21eed825a1cf0cf49793173f70d2df58e015e2f9d569f7a0d296816443585ff01f2e48fc6c25fca36a2c1324772a6c32e0e13c858 |
C:\HHuYRxB06.README.txt
| MD5 | 33fceacc223b740870349c6ff47cca88 |
| SHA1 | 93aa29c1a0d5d99f061f1465da36dcf583f9fb8f |
| SHA256 | ef18b7d754a2992e7aba3e9715bc2c96850eefe7ea4ca0d657d93443b326191e |
| SHA512 | 1e86532590a04454899b013eb7bcd6651805ce22f8fae67040c067eec55e69d558bf5c65c9f9deb40d4ba105348ef21177bbde60b8b340d14c5a58d13b344e43 |
memory/1148-3021-0x0000000002D60000-0x0000000002D70000-memory.dmp
memory/1148-3022-0x0000000002D60000-0x0000000002D70000-memory.dmp
memory/1148-3023-0x0000000002D60000-0x0000000002D70000-memory.dmp
C:\ProgramData\CAE.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/4004-3040-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp
memory/4004-3041-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp
memory/4004-3043-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp
memory/4004-3042-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp
memory/4004-3038-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\EEEEEEE
| MD5 | e36db911cc61a78078c755303575a356 |
| SHA1 | 0e9bd6949385fc40f75a35fdedce7d4e3ab1039f |
| SHA256 | 4fbcfe35da6547097bb2266d4ac679a5d40e408b4099eb41f680eed42aa9604f |
| SHA512 | d18e16c1e111c1294d551510542d19cd89749200ca0b18b30ca7f3f7400bd818d42d095acb3bbd03e26a1f16039673cd05374b2bfdc0dde73aa2772d9e5851db |
memory/4004-3072-0x00007FFC2D1D0000-0x00007FFC2D1E0000-memory.dmp
memory/4004-3073-0x00007FFC2D1D0000-0x00007FFC2D1E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\{B74AB988-5CEE-4B81-A305-06FB4BBA27D4}
| MD5 | c4a1724795e4fb35d1a9ee04741406f2 |
| SHA1 | 37621266d63cc18d9a8606cc4cf6a78a682dfa1c |
| SHA256 | dd639e6dfad7bab7dbc2ce6b5ccda4a99e657533f5689cf460a0b9519a7ee415 |
| SHA512 | a9224b19bb2b3a28e890c55ce182f8d2315bec50d53c2aa7fa89f5c3f392c92a81f8fe8b827b797e65374da8ef8adaa92f306ef65e84cb97c753401f9ac9565d |
C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
| MD5 | 1457db4a844151a8fecdb9202ccfa06d |
| SHA1 | fe19f06300027666faea276d202548424ea709a0 |
| SHA256 | 4c3c1a1a717d9f978d3b1a1d637902b8b03627064c29aa12ab6dc7a854693711 |
| SHA512 | 4fb78b628d1a1b9f040807e07ea64a1b05e0dded50e28d838769a8a211e6a29e77b19a66521451440510ba2a4b0c541b4df5a2bd37eabafb4e6801dcf615879c |