File name:

Lockbit 3 Builder.7z

Full analysis: https://app.any.run/tasks/c80717d7-f33d-41b3-b182-840b5896c0b2
Verdict: Malicious activity
Threats:

LockBit, a ransomware variant, encrypts data on infected machines, demanding a ransom payment for decryption. Used in targeted attacks, It's a significant risk to organizations.

Analysis date: April 15, 2025, 17:44:19
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
ransomware
stealer
lockbit
Indicators:
MIME: application/x-7z-compressed
File info: 7-zip archive data, version 0.4
MD5:

C9C2F3805F0012628E9D62E8F75AF4DD

SHA1:

B6269B1FC8813B93C11EC6066DC33D9F99F2E431

SHA256:

B2C3BEDA4B000A3D9AF0A457D6D942EC81696F3ED485F7CF723B18008A5F3D10

SSDEEP:

3072:pYWJsCuSlRODbWhyyZZsZ77n4s31uZzd2ppyMPOLOcrgCz:pbuSlicZyx4W1uLYpyMPOLjhz

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Known privilege escalation attack

      • dllhost.exe (PID: 5968)
    • Renames files like ransomware

      • LB3.exe (PID: 7204)
    • RANSOMWARE has been detected

      • LB3.exe (PID: 7204)
    • Steals credentials from Web Browsers

      • LB3.exe (PID: 7204)
      • LB3Decryptor.exe (PID: 5756)
    • Actions looks like stealing of personal data

      • LB3.exe (PID: 7204)
      • LB3Decryptor.exe (PID: 5756)
    • [YARA] LockBit is detected

      • LB3.exe (PID: 7204)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • builder.exe (PID: 7928)
      • builder.exe (PID: 7952)
      • builder.exe (PID: 7976)
      • builder.exe (PID: 8000)
      • builder.exe (PID: 8024)
      • builder.exe (PID: 8048)
    • The process creates files with name similar to system file names

      • builder.exe (PID: 8000)
    • Write to the desktop.ini file (may be used to cloak folders)

      • LB3.exe (PID: 7204)
    • Reads security settings of Internet Explorer

      • ShellExperienceHost.exe (PID: 2240)
    • Changes the desktop background image

      • LB3Decryptor.exe (PID: 5756)
  • INFO

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2140)
    • Checks supported languages

      • keygen.exe (PID: 7900)
      • builder.exe (PID: 7928)
      • builder.exe (PID: 7952)
      • builder.exe (PID: 7976)
      • builder.exe (PID: 8000)
      • builder.exe (PID: 8024)
      • builder.exe (PID: 8048)
      • LB3.exe (PID: 5608)
      • LB3.exe (PID: 7204)
      • ShellExperienceHost.exe (PID: 2240)
      • LB3Decryptor.exe (PID: 5756)
      • SearchApp.exe (PID: 7932)
    • Manual execution by a user

      • cmd.exe (PID: 7832)
      • notepad.exe (PID: 1660)
      • notepad.exe (PID: 1184)
      • notepad.exe (PID: 6644)
      • LB3.exe (PID: 5608)
      • LB3Decryptor.exe (PID: 4652)
      • LB3Decryptor.exe (PID: 5756)
      • notepad.exe (PID: 7624)
      • notepad.exe (PID: 7716)
      • notepad.exe (PID: 4944)
    • Reads security settings of Internet Explorer

      • notepad.exe (PID: 1660)
      • notepad.exe (PID: 1184)
      • notepad.exe (PID: 6644)
      • dllhost.exe (PID: 5968)
      • notepad.exe (PID: 7624)
      • notepad.exe (PID: 7716)
      • notepad.exe (PID: 4944)
    • Reads the software policy settings

      • slui.exe (PID: 7260)
      • SearchApp.exe (PID: 7932)
    • Reads the computer name

      • LB3.exe (PID: 5608)
      • LB3.exe (PID: 7204)
      • ShellExperienceHost.exe (PID: 2240)
      • LB3Decryptor.exe (PID: 5756)
      • SearchApp.exe (PID: 7932)
    • Reads the machine GUID from the registry

      • LB3.exe (PID: 5608)
      • SearchApp.exe (PID: 7932)
    • Creates files in the program directory

      • LB3.exe (PID: 7204)
    • Creates files or folders in the user directory

      • LB3.exe (PID: 7204)
    • Reads Microsoft Office registry keys

      • OpenWith.exe (PID: 7760)
    • Create files in a temporary directory

      • LB3.exe (PID: 7204)
    • Checks proxy server information

      • SearchApp.exe (PID: 7932)
    • Reads Environment values

      • SearchApp.exe (PID: 7932)
    • Process checks computer location settings

      • SearchApp.exe (PID: 7932)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.7z | 7-Zip compressed archive (v0.4) (57.1)
.7z | 7-Zip compressed archive (gen) (42.8)

EXIF

ZIP

FileVersion: 7z v0.04
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
159
Monitored processes
28
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe sppextcomobj.exe no specs slui.exe rundll32.exe no specs cmd.exe no specs conhost.exe no specs keygen.exe no specs builder.exe builder.exe builder.exe builder.exe builder.exe builder.exe notepad.exe no specs notepad.exe no specs notepad.exe no specs lb3.exe no specs slui.exe no specs CMSTPLUA THREAT lb3.exe lb3decryptor.exe no specs shellexperiencehost.exe no specs lb3decryptor.exe notepad.exe no specs notepad.exe no specs notepad.exe no specs openwith.exe no specs searchapp.exe

Process information

PID
CMD
Path
Indicators
Parent process
1184"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\LBLeak\Build\Password_dll.txtC:\Windows\System32\notepad.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
1660"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\LBLeak\Build\Password_exe.txtC:\Windows\System32\notepad.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
2140"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\Lockbit 3 Builder.7z"C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
2240"C:\WINDOWS\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mcaC:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Shell Experience Host
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\systemapps\shellexperiencehost_cw5n1h2txyewy\shellexperiencehost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\wincorlib.dll
4652"C:\Users\admin\Desktop\LBLeak\Build\LB3Decryptor.exe" C:\Users\admin\Desktop\LBLeak\Build\LB3Decryptor.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\desktop\lbleak\build\lb3decryptor.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
4944"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\Cb7MyVMyv.README.txtC:\Windows\System32\notepad.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
5376C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
5608"C:\Users\admin\Desktop\LBLeak\Build\LB3.exe" C:\Users\admin\Desktop\LBLeak\Build\LB3.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\lbleak\build\lb3.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\gdi32.dll
5756"C:\Users\admin\Desktop\LBLeak\Build\LB3Decryptor.exe" C:\Users\admin\Desktop\LBLeak\Build\LB3Decryptor.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\desktop\lbleak\build\lb3decryptor.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
5968C:\WINDOWS\SysWOW64\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\SysWOW64\dllhost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\ucrtbase.dll
c:\windows\syswow64\combase.dll
Total events
8 913
Read events
8 830
Write events
66
Delete events
17

Modification events

(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\Lockbit 3 Builder.7z
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath
Operation:delete valueName:15
Value:
Executable files
21
Suspicious files
1 185
Text files
826
Unknown types
0

Dropped files

PID
Process
Filename
Type
2140WinRAR.exeC:\Users\admin\Desktop\LBLeak\Build.battext
MD5:4E46E28B2E61643F6AF70A8B19E5CB1F
SHA256:8E83A1727696CED618289F79674B97305D88BEEEABF46BD25FC77AC53C1AE339
2140WinRAR.exeC:\Users\admin\Desktop\LBLeak\keygen.exeexecutable
MD5:5E28C7C900E4DCE08366051C22F07F84
SHA256:BB76F4D10EC2C1D24BE904D2EE078F34A6B5BD11F3B40F295E116FEA44824B89
2140WinRAR.exeC:\Users\admin\Desktop\LBLeak\builder.exeexecutable
MD5:8C689DC9E82C9356B990D2B67B4943E1
SHA256:E8E2DEB0A83AEBB1E2CC14846BC71715343372103F279D2D1622E383FB26D6EF
2140WinRAR.exeC:\Users\admin\Desktop\LBLeak\config.jsonbinary
MD5:A6BA7B662DE10B45EBE5B6B7EDAA62A9
SHA256:3F7518D88AEFD4B1E0A1D6F9748F9A9960C1271D679600E34F5065D8DF8C9DC8
7900keygen.exeC:\Users\admin\Desktop\LBLeak\Build\pub.keytext
MD5:72A5CB4A959A902AABBBB57414C7D13A
SHA256:286D5D554DDDC78F365A41D09A95E3FC301AC1DC05E31AD3115E03DD82B0F78A
7900keygen.exeC:\Users\admin\Desktop\LBLeak\Build\priv.keytext
MD5:F7C0FDBEA29D43B9EA66DA4272AF7AC5
SHA256:39CDEEB03E20EBF41DA1330D63B1279A6DA823AB7698B14616934E34E6410BD4
7900keygen.exeC:\Users\admin\Desktop\LBLeak\Build\DECRYPTION_ID.txttext
MD5:FAC616A327818B9A7B1AC8AA1411966F
SHA256:C2D7CC7C679DD9B19241E466202B43684B7FFCC5CC7AB48088565590DC3C510B
7928builder.exeC:\Users\admin\Desktop\LBLeak\Build\LB3Decryptor.exeexecutable
MD5:CB482777DACE01BD7F6D98D6F196C342
SHA256:9F0725DD303DF376B8B8CCF7AFC72A5B3077820DF21E261D51A42E18F9E23E88
7952builder.exeC:\Users\admin\Desktop\LBLeak\Build\LB3.exeexecutable
MD5:3941639DA91C170A935288FC73A2D766
SHA256:C35D814C148575106B069AB2A948E8FB9D1EBD705A58DA5056F77576C0D9C0BA
7976builder.exeC:\Users\admin\Desktop\LBLeak\Build\Password_exe.txttext
MD5:2C04CB63FB00A6BF8852867B0CB0AB24
SHA256:33CDCB8A386AA65A80A40C276A320C29534E3E18FE2FA1256DED6665349F1146
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
25
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
23.48.23.181:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
23.48.23.181:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
8180
SIHClient.exe
GET
200
23.48.206.92:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
7932
SearchApp.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
8180
SIHClient.exe
GET
200
23.48.206.92:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
whitelisted
2104
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
23.48.23.181:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5496
MoUsoCoreWorker.exe
23.48.23.181:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
3216
svchost.exe
172.211.123.248:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6544
svchost.exe
20.190.160.64:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
2112
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 20.73.194.208
whitelisted
google.com
  • 142.250.186.110
whitelisted
crl.microsoft.com
  • 23.48.23.181
  • 23.48.23.161
  • 23.48.23.185
  • 23.48.23.192
  • 23.48.23.193
  • 23.48.23.179
  • 23.48.23.166
  • 23.48.23.168
  • 23.48.23.177
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
login.live.com
  • 20.190.160.64
  • 40.126.32.76
  • 20.190.160.131
  • 20.190.160.65
  • 20.190.160.14
  • 20.190.160.2
  • 20.190.160.132
  • 40.126.32.72
  • 40.126.31.130
  • 40.126.31.131
  • 40.126.31.129
  • 20.190.159.128
  • 20.190.159.131
  • 20.190.159.71
  • 40.126.31.67
  • 40.126.31.3
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
slscr.update.microsoft.com
  • 52.149.20.212
whitelisted
www.microsoft.com
  • 23.48.206.92
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
whitelisted

Threats

No threats detected
No debug info