URL:

http://dn.luckyfilebox.com/update.exe

Full analysis: https://app.any.run/tasks/dfa866e5-e6a9-4238-9206-83c9031d8de4
Verdict: Malicious activity
Threats:

Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely.

Malware Trends Tracker     >>>
Analysis date: May 17, 2025, 09:48:45
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
quasar
rat
Indicators:
MD5:

E58180125A042E169BCE3A25D2923A6D

SHA1:

7C57AC4C17A130F87D63E4E73D16EC34C6D2A6FE

SHA256:

E32DF4C16771CF4EAF04663E7D25E2038753E85A9706EACEA44D1124791E2958

SSDEEP:

3:N1KaLVOcDlGZgQmJ:CaLVBGiQE

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

    • QUASAR mutex has been found

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)
      • update.exe (PID: 3132)
      • update.exe (PID: 8940)
      • update.exe (PID: 5756)

  • SUSPICIOUS

    • Suspicious use of NETSH.EXE

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)
      • update.exe (PID: 6476)
      • update.exe (PID: 3132)
      • update.exe (PID: 8940)
      • update.exe (PID: 5756)

    • Reads security settings of Internet Explorer

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)

    • Executes application which crashes

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)
      • update.exe (PID: 8940)
      • update.exe (PID: 3132)
      • update.exe (PID: 5756)
      • update.exe (PID: 6476)

  • INFO

    • Reads the computer name

      • identity_helper.exe (PID: 8404)
      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)
      • update.exe (PID: 3132)
      • update.exe (PID: 8940)
      • update.exe (PID: 5756)

    • Application launched itself

      • msedge.exe (PID: 4688)

    • Reads Environment values

      • identity_helper.exe (PID: 8404)

    • Checks supported languages

      • identity_helper.exe (PID: 8404)
      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)
      • update.exe (PID: 3132)
      • update.exe (PID: 8940)
      • update.exe (PID: 5756)

    • Disables trace logs

      • netsh.exe (PID: 8540)
      • netsh.exe (PID: 8612)
      • netsh.exe (PID: 4068)
      • netsh.exe (PID: 6576)
      • netsh.exe (PID: 8712)
      • netsh.exe (PID: 8416)
      • netsh.exe (PID: 6752)

    • Drops encrypted JS script (Microsoft Script Encoder)

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)
      • update.exe (PID: 3132)

    • Checks proxy server information

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)

    • Creates files or folders in the user directory

      • update.exe (PID: 8364)
      • update.exe (PID: 9000)
      • update.exe (PID: 8740)

    • Manual execution by a user

      • update.exe (PID: 8840)
      • update.exe (PID: 6476)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
233
Monitored processes
85
Malicious processes
7
Suspicious processes
0

Behavior graph

Click at the process to see the details
start msedge.exe msedge.exe no specs msedge.exe no specs msedge.exe msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs sppextcomobj.exe no specs slui.exe identity_helper.exe no specs identity_helper.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs update.exe no specs #QUASAR update.exe netsh.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs werfault.exe no specs update.exe no specs #QUASAR update.exe netsh.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs werfault.exe no specs update.exe no specs #QUASAR update.exe netsh.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs werfault.exe no specs update.exe no specs update.exe no specs update.exe no specs #QUASAR update.exe #QUASAR update.exe #QUASAR update.exe netsh.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs netsh.exe no specs netsh.exe no specs conhost.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs werfault.exe no specs rundll32.exe no specs werfault.exe no specs werfault.exe no specs update.exe no specs update.exe netsh.exe no specs conhost.exe no specs netsh.exe no specs conhost.exe no specs werfault.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs slui.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
472"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5976 --field-trial-handle=2360,i,12215851082438005873,17254987901528221354,262144 --variations-seed-version /prefetch:8C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Version:
122.0.2365.59
Modules
Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\122.0.2365.59\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
684\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—netsh.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
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
1388\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—netsh.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
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
1764"C:\Users\admin\Downloads\update.exe" C:\Users\admin\Downloads\update.exe—msedge.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\downloads\update.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
2644"C:\Users\admin\Downloads\update.exe" C:\Users\admin\Downloads\update.exe—msedge.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\downloads\update.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
3132"C:\Users\admin\Downloads\update.exe" C:\Users\admin\Downloads\update.exe
msedge.exe
User:
admin
Integrity Level:
HIGH
Exit code:
3221225477
Modules
Images
c:\users\admin\downloads\update.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\acgenral.dll
3884"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=28 --mojo-platform-channel-handle=6120 --field-trial-handle=2360,i,12215851082438005873,17254987901528221354,262144 --variations-seed-version /prefetch:1C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Version:
122.0.2365.59
Modules
Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\122.0.2365.59\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
4068netsh int ipv4 set dynamicport tcp start=10000 num=55000C:\Windows\SysWOW64\netsh.exe—update.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\netsh.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
4464\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—netsh.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
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
4688"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" "http://dn.luckyfilebox.com/update.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Edge
Version:
122.0.2365.59
Modules
Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\122.0.2365.59\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
22 579
Read events
22 533
Write events
46
Delete events
0

Modification events

(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\StabilityMetrics
Operation:writeName:user_experience_metrics.stability.exited_cleanly
Value:
0
(PID) Process:(4688) msedge.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault
Operation:writeName:S-1-5-21-1693682860-607145093-2874071422-1001
Value:
08FCCB16E8932F00
(PID) Process:(4688) msedge.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault
Operation:writeName:S-1-5-21-1693682860-607145093-2874071422-1001
Value:
3E53D416E8932F00
(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\262986
Operation:writeName:WindowTabManagerFileMappingId
Value:
{4331748F-FB56-474C-B127-FC83BC0B9BD2}
(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\262986
Operation:writeName:WindowTabManagerFileMappingId
Value:
{69F2FBC7-3647-43E3-B64E-838315D17ADB}
(PID) Process:(4688) msedge.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault
Operation:writeName:S-1-5-21-1693682860-607145093-2874071422-1001
Value:
D45DFD16E8932F00
(PID) Process:(4688) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:MicrosoftEdgeAutoLaunch_29EBC4579851B72EE312C449CF839B1A
Value:
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
Executable files
6
Suspicious files
64
Text files
28
Unknown types
0

Dropped files

PID
Process
Filename
Type
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF10b2f6.TMP —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF10b2f6.TMP —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF10b2f6.TMP —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF10b306.TMP —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF10b2f6.TMP —
MD5:—
SHA256:—
4688msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
16
TCP/UDP connections
59
DNS requests
50
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
2.16.164.113:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
8364
update.exe
POST
200
202.79.173.4:8081
http://api.gzdata.io:8081/data/query
unknown
—
—
unknown
7664
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
7664
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
9000
update.exe
POST
200
202.79.173.4:8081
http://api.gzdata.io:8081/data/query
unknown
—
—
unknown
3132
update.exe
POST
200
202.79.173.4:8081
http://api.gzdata.io:8081/data/query
unknown
—
—
unknown
9116
svchost.exe
GET
206
199.232.214.172:80
http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/68591036-2289-4858-9f7f-9149e89c8a08?P1=1747701568&P2=404&P3=2&P4=jyn7A14wdPwyBRELFJNTM%2bi7de5mLKXJ%2b%2fj0tkmAvoCvJqma%2fH20AZ4WmqMIfbp5dLnozFfnYj3nfv6mJTjZVw%3d%3d
unknown
—
—
whitelisted
9116
svchost.exe
GET
206
199.232.214.172:80
http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/68591036-2289-4858-9f7f-9149e89c8a08?P1=1747701568&P2=404&P3=2&P4=jyn7A14wdPwyBRELFJNTM%2bi7de5mLKXJ%2b%2fj0tkmAvoCvJqma%2fH20AZ4WmqMIfbp5dLnozFfnYj3nfv6mJTjZVw%3d%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
4628
RUXIMICS.exe
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
—
—
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5496
MoUsoCoreWorker.exe
2.16.164.113:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
5496
MoUsoCoreWorker.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
2104
svchost.exe
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
4688
msedge.exe
239.255.255.250:1900
—
—
—
whitelisted
7388
msedge.exe
13.107.42.16:443
config.edge.skype.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
7388
msedge.exe
150.171.27.11:443
edge.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
crl.microsoft.com
  • 2.16.164.113
  • 2.16.164.112
whitelisted
www.microsoft.com
  • 95.101.149.131
  • 23.35.229.160
whitelisted
google.com
  • 142.250.185.142
whitelisted
config.edge.skype.com
  • 13.107.42.16
whitelisted
edge.microsoft.com
  • 150.171.27.11
  • 150.171.28.11
whitelisted
edge-mobile-static.azureedge.net
  • 13.107.246.45
whitelisted
dn.luckyfilebox.com
  • 188.114.96.3
  • 188.114.97.3
unknown
business.bing.com
  • 13.107.6.158
whitelisted
edgeservices.bing.com
  • 2.19.96.16
  • 2.19.96.82
  • 2.19.96.129
  • 2.19.96.26
  • 2.19.96.66
  • 2.19.96.83
  • 2.19.96.80
  • 2.19.96.130
  • 2.19.96.128
whitelisted
update.googleapis.com
  • 142.250.184.195
whitelisted

Threats

PID
Process
Class
Message
7388
msedge.exe
Not Suspicious Traffic
INFO [ANY.RUN] Cloudflare Network Error Logging (NEL)
7388
msedge.exe
Not Suspicious Traffic
INFO [ANY.RUN] Cloudflare Network Error Logging (NEL)
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://dn.luckyfilebox.com/update.exe