File name:

LBB.exe

Full analysis: https://app.any.run/tasks/1511cf1c-af0e-49c6-adf1-41b967e6942a
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: July 21, 2024, 23:33:34
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
lockbit
ransomware
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

F6490D06C7A3BEA39522B759A3E47D05

SHA1:

F1BFD118062D97CD869E843C6DB1C4CEC0A35CB7

SHA256:

86FE17D8D2086A8F58BD6C3114A2FFA74577778A990E18B33E556563612CD709

SSDEEP:

3072:0MMMMMM/MMMMMMTMMMMMM/MMMMMMTMMMMMM/MMMMMOMMMMMM/MMMMM+MMMMMM/Mt:EkEQ8dRoXjzL5VSZmq/n

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

    • Drops the executable file immediately after the start

      • LBB.exe (PID: 5636)
      • LBB.exe (PID: 7244)
    • Known privilege escalation attack

      • dllhost.exe (PID: 6240)
    • Renames files like ransomware

      • LBB.exe (PID: 7244)
    • [YARA] LockBit is detected

      • LBB.exe (PID: 7244)
  • SUSPICIOUS

    • Write to the desktop.ini file (may be used to cloak folders)

      • LBB.exe (PID: 7244)
    • Executes as Windows Service

      • VSSVC.exe (PID: 5184)
    • Creates files like ransomware instruction

      • LBB.exe (PID: 7244)
    • Changes the desktop background image

      • LBB.exe (PID: 7244)
    • Executable content was dropped or overwritten

      • LBB.exe (PID: 7244)
    • Starts application with an unusual extension

      • LBB.exe (PID: 7244)
  • INFO

    • Checks supported languages

      • LBB.exe (PID: 5636)
      • LBB.exe (PID: 7244)
      • D725.tmp (PID: 7332)
    • Reads the computer name

      • LBB.exe (PID: 5636)
      • LBB.exe (PID: 7244)
    • Reads the machine GUID from the registry

      • LBB.exe (PID: 5636)
      • LBB.exe (PID: 7244)
    • Reads security settings of Internet Explorer

      • dllhost.exe (PID: 6240)
      • notepad.exe (PID: 5096)
      • notepad.exe (PID: 2020)
    • Creates files in the program directory

      • LBB.exe (PID: 7244)
    • Manual execution by a user

      • notepad.exe (PID: 5096)
      • notepad.exe (PID: 2020)
    • Dropped object may contain TOR URL's

      • LBB.exe (PID: 7244)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (38.3)
.exe | Win32 Executable (generic) (26.2)
.exe | Win16/32 Executable Delphi generic (12)
.exe | Generic Win/DOS Executable (11.6)
.exe | DOS Executable Generic (11.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:06:11 09:50:55+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.12
CodeSize: 106496
InitializedDataSize: 51200
UninitializedDataSize: -
EntryPoint: 0x1b46f
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
147
Monitored processes
7
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start lbb.exe no specs CMSTPLUA #LOCKBIT lbb.exe vssvc.exe no specs notepad.exe no specs d725.tmp no specs notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2020"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\AzLtU5ri6.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
5096"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\AzLtU5ri6.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
5184C:\WINDOWS\system32\vssvc.exeC:\Windows\System32\VSSVC.exeservices.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\vssvc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
5636"C:\Users\admin\AppData\Local\Temp\LBB.exe" C:\Users\admin\AppData\Local\Temp\LBB.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\lbb.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
6240C:\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
7244"C:\Users\admin\AppData\Local\Temp\LBB.exe" C:\Users\admin\AppData\Local\Temp\LBB.exe
dllhost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\lbb.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\gdi32.dll
c:\windows\syswow64\win32u.dll
7332"C:\ProgramData\D725.tmp"C:\ProgramData\D725.tmpLBB.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\programdata\d725.tmp
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
Total events
8 696
Read events
6 259
Write events
2 436
Delete events
1

Modification events

(PID) Process:(6240) dllhost.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\3c\52C64B7E
Operation:writeName:@%SystemRoot%\system32\cmlua.dll,-100
Value:
Connection Manager
(PID) Process:(6240) dllhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(6240) dllhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(6240) dllhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(6240) dllhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(7244) LBB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
12
(PID) Process:(7244) LBB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\AirSpaceChannel
Operation:writeName:Enabled
Value:
0
(PID) Process:(7244) LBB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\AirSpaceChannel
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
(PID) Process:(7244) LBB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\AMSI/Debug
Operation:writeName:Enabled
Value:
0
(PID) Process:(7244) LBB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\AMSI/Debug
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
Executable files
1
Suspicious files
177
Text files
93
Unknown types
8

Dropped files

PID
Process
Filename
Type
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\desktop.inibinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\ProgramData\AzLtU5ri6.icoimage
MD5:88D9337C4C9CFE2D9AFF8A2C718EC76B
SHA256:95E059EF72686460884B9AEA5C292C22917F75D56FE737D43BE440F82034F438
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\KKKKKKKKKKKbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\EEEEEEEEEEEbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\DDDDDDDDDDDbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\FFFFFFFFFFFbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\JJJJJJJJJJJbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\GGGGGGGGGGGbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\IIIIIIIIIIIbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
7244LBB.exeC:\$Recycle.Bin\S-1-5-18\LLLLLLLLLLLbinary
MD5:3DC67C92F44C82732C60A2F7101C7CD6
SHA256:F007F4E62F2F74C7F39E77B3CB8D0D587357272935E6AC299B410C56BBF3E9A8
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
31
DNS requests
11
Threats
0

HTTP requests

No HTTP requests
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
4716
svchost.exe
20.190.160.14:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown
5620
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
7856
svchost.exe
4.209.32.198:443
MICROSOFT-CORP-MSN-AS-BLOCK
US
unknown
4032
svchost.exe
239.255.255.250:1900
whitelisted
4
System
192.168.100.255:138
whitelisted
2760
svchost.exe
40.113.110.67:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4716
svchost.exe
40.126.32.140:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown
3616
backgroundTaskHost.exe
20.199.58.43:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
unknown
6944
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown

DNS requests

Domain
IP
Reputation
login.live.com
  • 20.190.160.14
  • 40.126.32.140
  • 40.126.32.136
  • 20.190.160.17
  • 40.126.32.72
  • 40.126.32.133
  • 40.126.32.134
  • 20.190.160.22
whitelisted
settings-win.data.microsoft.com
  • 40.127.240.158
whitelisted
google.com
  • 142.250.184.238
whitelisted
arc.msn.com
  • 20.199.58.43
whitelisted
fd.api.iris.microsoft.com
  • 20.103.156.88
whitelisted
www.bing.com
  • 184.86.251.7
  • 184.86.251.22
  • 184.86.251.27
  • 184.86.251.19
whitelisted
slscr.update.microsoft.com
  • 40.127.169.103
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.166.126.56
whitelisted

Threats

No threats detected
No debug info