File name:

mkv.zip

Full analysis: https://app.any.run/tasks/ba732f1f-0f52-4406-9f3d-6662e900ef4f
Verdict: Malicious activity
Analysis date: April 18, 2025, 22:27:04
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
arch-exec
arch-doc
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:

089A801D800607463242666830839F90

SHA1:

B9506662A4AC6DB76E0B2F838CC0FAA1C40FA64D

SHA256:

D3FAD5851E53EC6A76C113F1CAF1FFC5930032AFCB6EB1112D43BEC815343519

SSDEEP:

6144:NoSNU9mkONq5llJgm8OixkNVMo2xU5O1m:NoX55llWgixkNVMoE0O1m

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: 7392)

    • Disables task manager

      • mkv.exe (PID: 7980)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 7392)

    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 8112)

    • Starts CMD.EXE for commands execution

      • mkv.exe (PID: 7980)

    • There is functionality for taking screenshot (YARA)

      • mkv-safety.exe (PID: 8008)
      • mkv.exe (PID: 7980)

  • INFO

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 7392)

    • Reads the computer name

      • mkv.exe (PID: 7980)
      • mkv-safety.exe (PID: 8008)

    • Checks supported languages

      • mkv.exe (PID: 7980)
      • mkv-safety.exe (PID: 8008)

    • Checks proxy server information

      • slui.exe (PID: 3180)

    • Reads the software policy settings

      • slui.exe (PID: 7552)
      • slui.exe (PID: 3180)
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: 2025:04:18 21:57:36
ZipCRC: 0x71963db0
ZipCompressedSize: 212
ZipUncompressedSize: 272
ZipFileName: readme.txt
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
143
Monitored processes
10
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe sppextcomobj.exe no specs slui.exe mkv.exe no specs mkv.exe mkv-safety.exe no specs cmd.exe no specs conhost.exe no specs taskkill.exe no specs slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
3180C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
7392"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\mkv.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
7520C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exe—svchost.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
7552"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.exe
SppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Exit code:
1
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
7932"C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\mkv.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\mkv.exe—WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa7392.4977\mkv.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
7980"C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\mkv.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\mkv.exe
WinRAR.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa7392.4977\mkv.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\user32.dll
8008"C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.5024\mkv-safety.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa7392.5024\mkv-safety.exe—WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa7392.5024\mkv-safety.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\user32.dll
8112C:\WINDOWS\system32\cmd.exe /c taskkill /f /im taskmgr.exeC:\Windows\SysWOW64\cmd.exe—mkv.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\cmd.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\msvcrt.dll
8120\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
8172taskkill /f /im taskmgr.exeC:\Windows\SysWOW64\taskkill.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Terminates Processes
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\taskkill.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
3 395
Read events
3 374
Write events
21
Delete events
0

Modification events

(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\mkv.zip
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\MainWin
Operation:writeName:Placement
Value:
2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3D0000002D000000FD03000016020000
(PID) Process:(7392) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:writeName:name
Value:
256
Executable files
4
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
7392WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa7392.5024\readme.txttext
MD5:FF570DE0D6DEEB7F9B6AF683E9280F86
SHA256:BBFDDD736B94A6D2F81580FB107E762987AC453B6B369E5A19456CCE8BDC9983
7392WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa7392.5024\mkv-safety.exeexecutable
MD5:E3001480D63B8A6892C8010937FBE379
SHA256:662FA152703F03930AA3DC47962C1FC435B6B148CFC4A4E699BB99DFB89D6D9B
7392WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\readme.txttext
MD5:FF570DE0D6DEEB7F9B6AF683E9280F86
SHA256:BBFDDD736B94A6D2F81580FB107E762987AC453B6B369E5A19456CCE8BDC9983
7392WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\mkv.exeexecutable
MD5:8BC2778FDCCEE43768B7344FD9518437
SHA256:8C3FE99F70DA58B2EF6ACE6E40DA7C2BF520C6644F4C17E55A9C99EC11A49B01
7392WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa7392.4977\mkv-safety.exeexecutable
MD5:E3001480D63B8A6892C8010937FBE379
SHA256:662FA152703F03930AA3DC47962C1FC435B6B148CFC4A4E699BB99DFB89D6D9B
7392WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa7392.5024\mkv.exeexecutable
MD5:8BC2778FDCCEE43768B7344FD9518437
SHA256:8C3FE99F70DA58B2EF6ACE6E40DA7C2BF520C6644F4C17E55A9C99EC11A49B01
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
23
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
2.16.164.49:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
4756
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
4756
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
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
4
System
192.168.100.255:137
—
—
—
whitelisted
2104
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
2.16.164.49:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2112
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6544
svchost.exe
20.190.160.3:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
4756
SIHClient.exe
4.245.163.56:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
whitelisted
crl.microsoft.com
  • 2.16.164.49
  • 2.16.164.120
whitelisted
google.com
  • 172.217.16.206
whitelisted
client.wns.windows.com
  • 172.211.123.249
  • 172.211.123.248
whitelisted
login.live.com
  • 20.190.160.3
  • 20.190.160.14
  • 20.190.160.17
  • 20.190.160.65
  • 20.190.160.128
  • 20.190.160.2
  • 20.190.160.67
  • 20.190.160.64
whitelisted
ocsp.digicert.com
  • 2.23.77.188
whitelisted
slscr.update.microsoft.com
  • 4.245.163.56
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 52.165.164.15
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
mkv.zip