File name:

WINLOCKER.exe

Full analysis: https://app.any.run/tasks/0992bfc9-d03e-47a9-8b69-ef26accf2d2a
Verdict: Malicious activity
Analysis date: November 26, 2023, 23:37:58
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386, for MS Windows
MD5:

2CA9047D6FB0C575A425914942D8BCA0

SHA1:

5E649A00F08EA74A5A25B083AC7F193E07F4A2AF

SHA256:

B310D12357686C434CCB1CB4FFE4DAC0B8CD91C69ACF258730BEBC3419DE0331

SSDEEP:

1536:q6/VMIvXvQzNbkv+nAyzeHgoBIIsIIeee:TbIeA

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

      • WINLOCKER.exe (PID: 3068)

  • SUSPICIOUS

    • Application launched itself

      • WINLOCKER.exe (PID: 2512)

    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 476)
      • cmd.exe (PID: 3984)
      • cmd.exe (PID: 1028)

    • Starts CMD.EXE for commands execution

      • WINLOCKER.exe (PID: 3068)

    • The process creates files with name similar to system file names

      • WINLOCKER.exe (PID: 3068)

    • Process drops legitimate windows executable

      • WINLOCKER.exe (PID: 3068)

  • INFO

    • Checks supported languages

      • WINLOCKER.exe (PID: 2512)
      • WINLOCKER.exe (PID: 3068)

    • Reads the computer name

      • WINLOCKER.exe (PID: 2512)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (76.4)
.exe | Win32 Executable (generic) (12.4)
.exe | Generic Win/DOS Executable (5.5)
.exe | DOS Executable Generic (5.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:11:26 06:30:11+01:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.38
CodeSize: 23040
InitializedDataSize: 749056
UninitializedDataSize: -
EntryPoint: 0x598c
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows command line
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
54
Monitored processes
10
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winlocker.exe winlocker.exe cmd.exe no specs taskkill.exe no specs taskkill.exe no specs cmd.exe no specs cmd.exe no specs taskkill.exe no specs cmd.exe no specs winlocker.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
120taskkill /f /im taskmgr.exeC:\Windows\System32\taskkill.exe—cmd.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\user32.dll
476C:\Windows\system32\cmd.exe /c taskkill /f /im taskmgr.exeC:\Windows\System32\cmd.exe—WINLOCKER.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Command Processor
Exit code:
128
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
664C:\Windows\system32\cmd.exe /c clsC:\Windows\System32\cmd.exe—WINLOCKER.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
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
1028C:\Windows\system32\cmd.exe /c taskkill /f /im explorer.exeC:\Windows\System32\cmd.exe—WINLOCKER.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
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
2512"C:\Users\admin\AppData\Local\Temp\WINLOCKER.exe" C:\Users\admin\AppData\Local\Temp\WINLOCKER.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\winlocker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
2516"C:\Users\admin\AppData\Local\Temp\WINLOCKER.exe" C:\Users\admin\AppData\Local\Temp\WINLOCKER.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\winlocker.exe
c:\windows\system32\ntdll.dll
3068"WINLOCKER.exe"C:\Users\admin\AppData\Local\Temp\WINLOCKER.exe
WINLOCKER.exe
User:
SYSTEM
Integrity Level:
SYSTEM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\winlocker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3144taskkill /f /im explorer.exeC:\Windows\System32\taskkill.exe—cmd.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Terminates Processes
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\user32.dll
3940taskkill /f /im cmd.exeC:\Windows\System32\taskkill.exe—cmd.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Terminates Processes
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\user32.dll
3984C:\Windows\system32\cmd.exe /c taskkill /f /im cmd.exeC:\Windows\System32\cmd.exe—WINLOCKER.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Command Processor
Exit code:
1
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
198
Read events
198
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3068WINLOCKER.exe\Device\Harddisk0\DR0 —
MD5:—
SHA256:—
3068WINLOCKER.exeC:\safefolder\explorer.exeexecutable
MD5:6DDCA324434FFA506CF7DC4E51DB7935
SHA256:11D69FB388FF59E5BA6CA217CA04ECDE6A38FA8FB306AA5F1B72E22BB7C3A25A
3068WINLOCKER.exeC:\Windows\explorer.exeexecutable
MD5:397DED0C84B701FFB370C78D99B0FE20
SHA256:746F9ED35C69F736CD45FA401840D287241C7E9A5B2120F232915BFE114360E2
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
0
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
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
WINLOCKER.exe