File name:

brain.exe

Full analysis: https://app.any.run/tasks/625304de-d1eb-47b4-9f4b-3063955a18ce
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.

Malware Trends Tracker     >>>
Analysis date: June 28, 2024, 20:32:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
lockbit
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

448F1796FE8DE02194B21C0715E0A5F6

SHA1:

935C0B39837319FDA571AA800B67D997B79C3198

SHA256:

EB82946FA0DE261E92F8F60AA878C9FEF9EBB34FDABABA66995403B110118B12

SSDEEP:

3072:nmhXodguLP/5qUpfDT6zT73Ew8Ym9wV9JyknP7SAy:bKzkw8YKwVLyknzSA

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

      • brain.exe (PID: 3380)
      • brain.exe (PID: 2748)

    • Known privilege escalation attack

      • dllhost.exe (PID: 3220)

    • Steals credentials from Web Browsers

      • brain.exe (PID: 2748)

    • [YARA] LockBit is detected

      • brain.exe (PID: 2748)

    • Actions looks like stealing of personal data

      • brain.exe (PID: 2748)

  • SUSPICIOUS

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

      • brain.exe (PID: 2748)

    • Creates files like ransomware instruction

      • brain.exe (PID: 2748)

    • Starts CMD.EXE for commands execution

      • 21D3.tmp (PID: 2540)

    • Executable content was dropped or overwritten

      • brain.exe (PID: 2748)

    • Hides command output

      • cmd.exe (PID: 3844)

    • Starts application with an unusual extension

      • brain.exe (PID: 2748)

    • Reads security settings of Internet Explorer

      • 21D3.tmp (PID: 2540)

    • Reads the Internet Settings

      • 21D3.tmp (PID: 2540)

    • Reads browser cookies

      • brain.exe (PID: 2748)

  • INFO

    • Checks supported languages

      • brain.exe (PID: 3380)
      • brain.exe (PID: 2748)
      • 21D3.tmp (PID: 2540)

    • Reads the computer name

      • brain.exe (PID: 3380)
      • brain.exe (PID: 2748)
      • 21D3.tmp (PID: 2540)

    • Reads the machine GUID from the registry

      • brain.exe (PID: 3380)
      • brain.exe (PID: 2748)

    • Reads security settings of Internet Explorer

      • dllhost.exe (PID: 3220)

    • Checks transactions between databases Windows and Oracle

      • brain.exe (PID: 3380)

    • Create files in a temporary directory

      • brain.exe (PID: 2748)

    • Creates files in the program directory

      • brain.exe (PID: 2748)

    • Creates files or folders in the user directory

      • brain.exe (PID: 2748)

    • The dropped object may contain a URL to Tor Browser

      • brain.exe (PID: 2748)

    • Dropped object may contain TOR URL's

      • brain.exe (PID: 2748)
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: 2022:09:09 01:27:01+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.12
CodeSize: 99328
InitializedDataSize: 50688
UninitializedDataSize: -
EntryPoint: 0x1946f
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
53
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start brain.exe no specs CMSTPLUA #LOCKBIT brain.exe 21d3.tmp no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2540"C:\ProgramData\21D3.tmp"C:\ProgramData\21D3.tmp—brain.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\programdata\21d3.tmp
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
2748"C:\Users\admin\AppData\Local\Temp\brain.exe" C:\Users\admin\AppData\Local\Temp\brain.exe
dllhost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\brain.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3220C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\System32\dllhost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3380"C:\Users\admin\AppData\Local\Temp\brain.exe" C:\Users\admin\AppData\Local\Temp\brain.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\brain.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3844"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~2\21D3.tmp >> NULC:\Windows\System32\cmd.exe—21D3.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
4 250
Read events
3 234
Write events
1 016
Delete events
0

Modification events

(PID) Process:(3220) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3220) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3220) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3220) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2748) brain.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Analytic
Operation:writeName:Enabled
Value:
0
(PID) Process:(2748) brain.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Analytic
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
(PID) Process:(2748) brain.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowFilterGraph
Operation:writeName:Enabled
Value:
0
(PID) Process:(2748) brain.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowFilterGraph
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
(PID) Process:(2748) brain.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowPluginControl
Operation:writeName:Enabled
Value:
0
(PID) Process:(2748) brain.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\DirectShowPluginControl
Operation:writeName:ChannelAccess
Value:
O:BAG:SYD:(A;;0x1;;;SY)(A;;0x5;;;BA)(A;;0x1;;;LA)
Executable files
14
Suspicious files
1 343
Text files
960
Unknown types
60

Dropped files

PID
Process
Filename
Type
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\BBBBBBBBBBBbinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\GGGGGGGGGGGbinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
2748brain.exeC:\sYMY1N6ah.README.txttext
MD5:DEB2E0756D331362D57AD9FE408C4FF3
SHA256:1DDACEE1D25936970279557169037A335B362F86C3797DED625D68077BD0145C
2748brain.exeC:\Users\sYMY1N6ah.README.txttext
MD5:DEB2E0756D331362D57AD9FE408C4FF3
SHA256:1DDACEE1D25936970279557169037A335B362F86C3797DED625D68077BD0145C
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\EEEEEEEEEEEbinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\DDDDDDDDDDDbinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
2748brain.exeC:\Users\Administrator\Videos\sYMY1N6ah.README.txttext
MD5:DEB2E0756D331362D57AD9FE408C4FF3
SHA256:1DDACEE1D25936970279557169037A335B362F86C3797DED625D68077BD0145C
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\IIIIIIIIIIIbinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\HHHHHHHHHHHbinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
2748brain.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.inibinary
MD5:830878D4662CA0C4E713F94AEEC6FDDB
SHA256:9AC51C53CCFC7E7445FE5993FE771C093C8F0013673807413346CD1AD4359F05
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
12
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1372
svchost.exe
GET
304
23.53.40.35:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33
unknown
—
—
—
1372
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
—
1372
svchost.exe
GET
200
23.48.23.143:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
—
1060
svchost.exe
GET
304
23.53.40.56:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a9f83325acc8ca75
unknown
—
—
—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1372
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown
1060
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2564
svchost.exe
239.255.255.250:3702
—
—
—
unknown
4
System
192.168.100.255:137
—
—
—
unknown
4
System
192.168.100.255:138
—
—
—
unknown
1372
svchost.exe
23.53.40.35:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
unknown
1372
svchost.exe
23.48.23.143:80
crl.microsoft.com
Akamai International B.V.
DE
unknown
1372
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
unknown
1060
svchost.exe
23.53.40.56:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
unknown

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
unknown
ctldl.windowsupdate.com
  • 23.53.40.35
  • 23.53.40.83
  • 23.53.40.18
  • 23.53.40.56
  • 23.53.40.40
  • 23.53.40.49
unknown
crl.microsoft.com
  • 23.48.23.143
  • 23.48.23.173
  • 23.48.23.147
unknown
www.microsoft.com
  • 184.30.21.171
unknown

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
brain.exe