File name:

lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.7z

Full analysis: https://app.any.run/tasks/71993c3a-eb7f-4f20-a20c-4a5249a1e436
Verdict: Malicious activity
Analysis date: May 15, 2025, 18:55:13
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
arch-exec
Indicators:
MIME: application/x-7z-compressed
File info: 7-zip archive data, version 0.4
MD5:

7A20B2B39380BF4EC8FED5690031BAE4

SHA1:

21801F7A255FA57CE5CBC0DCC63856760EBEA1A6

SHA256:

EB4A644621D14A4FFC3D05E032C589F47D7DDF5CB9BB8BB3783136F5BC5A55C3

SSDEEP:

1536:/Raw6PwYoET6dxneCjEmsGvulTMRFkIrsh6LpUdbQGU:/Rz64YoSYxnermsgumkIE6LpUdkp

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

    • Generic archive extractor

      • WinRAR.exe (PID: 2472)
    • Changes the autorun value in the registry

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • The process creates files with name similar to system file names

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Reads the Internet Settings

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Reads security settings of Internet Explorer

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • There is functionality for taking screenshot (YARA)

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
  • INFO

    • The sample compiled with english language support

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
      • WinRAR.exe (PID: 2472)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2472)
    • Manual execution by a user

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Checks supported languages

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Creates files or folders in the user directory

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Reads the computer name

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Checks proxy server information

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
    • Reads the machine GUID from the registry

      • lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe (PID: 2432)
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
ModifyDate: 2012:01:15 18:29:48+00:00
ArchivedFileName: lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
2
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe

Process information

PID
CMD
Path
Indicators
Parent process
2432"C:\Users\admin\Desktop\lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe" C:\Users\admin\Desktop\lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\desktop\lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.18837_none_ec86b8d6858ec0bc\comctl32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
2472"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.7zC:\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\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
Total events
3 044
Read events
2 994
Write events
44
Delete events
6

Modification events

(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(2472) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\Win7-KB3191566-x86.zip
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.7z
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2472) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2432lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exeC:\Users\admin\AppData\Roaming\svchost.exeexecutable
MD5:66A022CA9613A9B2F0FB22D693064E97
SHA256:2C3D29DCE10899D3BDFAA41B91CD1F7B45628B7548866FA21A73D6DF6AF22F04
2472WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb2472.13066\lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exeexecutable
MD5:66A022CA9613A9B2F0FB22D693064E97
SHA256:2C3D29DCE10899D3BDFAA41B91CD1F7B45628B7548866FA21A73D6DF6AF22F04
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
10
DNS requests
3
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2432
lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
POST
404
49.13.77.253:80
http://udncsoft.in/forum/index.php
unknown
unknown
2432
lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
POST
404
49.13.77.253:80
http://udncsoft.in/forum/index.php
unknown
unknown
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
224.0.0.252:5355
whitelisted
1080
svchost.exe
224.0.0.252:5355
whitelisted
4
System
192.168.100.255:138
whitelisted
2432
lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
92.123.22.101:80
www.microsoft.com
AKAMAI-AS
AT
whitelisted
2432
lockscreen_ea3e681e33afb920d1408ab1f6c0dbba4809c773.exe
49.13.77.253:80
udncsoft.in
Hetzner Online GmbH
DE
unknown

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.78
whitelisted
www.microsoft.com
  • 92.123.22.101
whitelisted
udncsoft.in
  • 49.13.77.253
unknown

Threats

No threats detected
No debug info