File name:

mbr-locker.zip

Full analysis: https://app.any.run/tasks/b53a7154-6dd5-49f1-8a44-91ceeb37db06
Verdict: Malicious activity
Analysis date: May 18, 2025, 14:47:08
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
arch-exec
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:

B9711A2DC2FEB5D0FBDE6F436856922F

SHA1:

ADF69F7529B2B53FF5A7D07E160E31B67D7AF65E

SHA256:

5C855FD78BF89C613CB3BFB04B181DD35C3C1B07963AE6590D233E2C2B9319F5

SSDEEP:

96:f3hn/NtYAiSQ/DNQReeql+1lHACugZbzZ6tQU5yA1:Zn/NSlSYDKArl+ECuuReQ0

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: 2140)
  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • mbr-locker.exe (PID: 7548)
    • Application launched itself

      • mbr-locker.exe (PID: 7548)
    • Executable content was dropped or overwritten

      • mbr-locker.exe (PID: 7712)
    • Starts itself from another location

      • mbr-locker.exe (PID: 7712)
    • The process executes via Task Scheduler

      • PLUGScheduler.exe (PID: 4120)
  • INFO

    • Manual execution by a user

      • mbr-locker.exe (PID: 7548)
      • mspaint.exe (PID: 6500)
    • Checks supported languages

      • mbr-locker.exe (PID: 7548)
      • mbr-locker.exe (PID: 7712)
      • sys3.exe (PID: 7740)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2140)
    • Reads the computer name

      • mbr-locker.exe (PID: 7548)
      • sys3.exe (PID: 7740)
    • Process checks computer location settings

      • mbr-locker.exe (PID: 7548)
    • Create files in a temporary directory

      • mbr-locker.exe (PID: 7712)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: Deflated
ZipModifyDate: 2025:05:18 07:45:42
ZipCRC: 0x43b81aff
ZipCompressedSize: 2939
ZipUncompressedSize: 10240
ZipFileName: mbr-locker.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
256
Monitored processes
8
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe sppextcomobj.exe no specs slui.exe no specs mbr-locker.exe no specs mbr-locker.exe sys3.exe no specs plugscheduler.exe no specs mspaint.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2140"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\mbr-locker.zipC:\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
4120"C:\Program Files\RUXIM\PLUGscheduler.exe"C:\Program Files\RUXIM\PLUGScheduler.exesvchost.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Update LifeCycle Component Scheduler
Exit code:
0
Version:
10.0.19041.3623 (WinBuild.160101.0800)
Modules
Images
c:\program files\ruxim\plugscheduler.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
6500"C:\WINDOWS\system32\mspaint.exe" "C:\Users\admin\Desktop\soonprocedures.jpg"C:\Windows\System32\mspaint.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Paint
Exit code:
0
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\mspaint.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\acgenral.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
7244C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exesvchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sppextcomobj.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\oleaut32.dll
7276"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEventC:\Windows\System32\slui.exeSppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Exit code:
0
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
7548"C:\Users\admin\Desktop\mbr-locker.exe" C:\Users\admin\Desktop\mbr-locker.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1073807364
Modules
Images
c:\users\admin\desktop\mbr-locker.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\advapi32.dll
7712"C:\Users\admin\Desktop\mbr-locker.exe" C:\Users\admin\Desktop\mbr-locker.exe
mbr-locker.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\mbr-locker.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\advapi32.dll
7740C:\Users\admin\AppData\Local\Temp\\sys3.exeC:\Users\admin\AppData\Local\Temp\sys3.exembr-locker.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\sys3.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\advapi32.dll
Total events
2 234
Read events
2 187
Write events
46
Delete events
1

Modification events

(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\mbr-locker.zip
(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\FileList\ArcColumnWidths
Operation:writeName:name
Value:
256
(PID) Process:(2140) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:writeName:size
Value:
80
Executable files
2
Suspicious files
42
Text files
1
Unknown types
2

Dropped files

PID
Process
Filename
Type
7712mbr-locker.exe\Device\Harddisk0\DR0
MD5:
SHA256:
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.047.etlbinary
MD5:FED961067F664B5381B65A534B7AB728
SHA256:652F31A8284AE812D1D9D24192BC800976BF74C240591C6AC443A28C4709FB7C
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.050.etlbinary
MD5:C8834D365FAE073DEDE1F1620454CE71
SHA256:C6DD793EEE1D5551CA507A3C5BFFECA82DD3E29C63C2C6DD218A7D4BFB37046B
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.045.etlbinary
MD5:89BD161BF7B46C9078937CF832786737
SHA256:2B83DF5532E9F54ED301C8F82E2CDD489799C8D5222A2D44C97DCB151A96FAA9
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.042.etlbinary
MD5:C1F87CF12DD702D2185E703BA004D216
SHA256:9D993487866C9538DC19F281A6346E1796E7478C7C164D61437AF6E698C66125
7712mbr-locker.exeC:\Users\admin\AppData\Local\Temp\systm.txttext
MD5:29ED657519A929C905BE0FFD9A0EEC7F
SHA256:1712270CC9D3BDE3298E49A514773C98B32F5F5A7CE447B662369B570AF27F32
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.048.etlbinary
MD5:A23907B6FDD47DCABFDFD7CF2FCD7671
SHA256:0C9C33FE9E984A2E5A70EBA51F36B9929A86199E424AF2F8080E1267B87DC970
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.046.etlbinary
MD5:A7A21FBC9D00F33F186B34A50E170C13
SHA256:64CAC91E46D4FC832958232A658431CBF9D8D9F265653ACA2BEB32428D4688EC
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.044.etlbinary
MD5:B53B2070E686FFB1FBC8B06994E7C8D7
SHA256:A3ABD06F4E40CB700B1908AB6BCD2E27455E13EF076E0BF2345BB2FA369EF802
4120PLUGScheduler.exeC:\ProgramData\PLUG\Logs\RUXIMLog.038.etletl
MD5:F9485F2BA891697F8B6CF8FB1E7F42C0
SHA256:69146D4AAEFB8609745B6CA780B48ABC66054AA3CDB8061248CF7B32F3B32617
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
37
DNS requests
21
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
GET
200
2.16.241.12:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
6368
SIHClient.exe
GET
200
69.192.161.161:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
6368
SIHClient.exe
GET
200
69.192.161.161:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
5368
SearchApp.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
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
2104
svchost.exe
51.104.136.2:443
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
5216
RUXIMICS.exe
51.104.136.2:443
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
51.104.136.2:443
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2.16.241.12:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
4
System
192.168.100.255:137
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6544
svchost.exe
40.126.32.133:443
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

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.110
whitelisted
crl.microsoft.com
  • 2.16.241.12
  • 2.16.241.19
whitelisted
www.microsoft.com
  • 95.101.149.131
  • 69.192.161.161
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
login.live.com
  • 40.126.32.133
  • 20.190.160.4
  • 40.126.32.74
  • 40.126.32.76
  • 20.190.160.128
  • 20.190.160.65
  • 20.190.160.130
  • 40.126.32.134
  • 20.190.159.64
  • 40.126.31.71
  • 20.190.159.131
  • 40.126.31.130
  • 20.190.159.128
  • 20.190.159.23
  • 40.126.31.73
  • 40.126.31.129
whitelisted
ocsp.digicert.com
  • 2.17.190.73
  • 2.23.77.188
whitelisted
settings-win.data.microsoft.com
  • 20.73.194.208
whitelisted
self.events.data.microsoft.com
  • 20.189.173.12
  • 51.116.253.169
whitelisted
officeclient.microsoft.com
  • 52.109.28.46
whitelisted
ecs.office.com
  • 52.123.128.14
  • 52.123.129.14
whitelisted

Threats

No threats detected
No debug info