URL:

https://www.dropbox.com/scl/fi/6c63lujgmsr2p49l3k868/FastDownloader-3.1.0-x64.exe?rlkey=blq6k25gh9f8vpmeqfsi95yp4&st=klgbqx5p&dl=0

Full analysis: https://app.any.run/tasks/c9058ea3-8419-4e2e-b49e-03ddf2feeb5d
Verdict: Malicious activity
Analysis date: July 05, 2025, 22:06:26
OS: Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MD5:

226B67BC906EC1F8D8E08A783A1FADC4

SHA1:

531A148689E50301AA598FCE161602E12DF8A729

SHA256:

9B89A18AE84173F20FAD311E1CE562EA7E6E951AF6A08AF14675E1737B49FF4B

SSDEEP:

3:N8DSLcVHGkG6TEHufO7wmE2XfUhWRL4/Zx6UQOOTiAaLKVRKR6UmdSn:2OLHk94ufO7QyUhWRk/f6JOONVT0n

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

    No malicious indicators.

  • SUSPICIOUS

    • Malware-specific behavior (creating "System.dll" in Temp)

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

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

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

    • Drops 7-zip archiver for unpacking

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

    • Executable content was dropped or overwritten

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

    • Process drops legitimate windows executable

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

    • Reads security settings of Internet Explorer

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

  • INFO

    • Connects to unusual port

      • msedge.exe (PID: 6372)

    • Reads Environment values

      • identity_helper.exe (PID: 7640)
      • identity_helper.exe (PID: 8112)

    • Checks supported languages

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • identity_helper.exe (PID: 7640)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)
      • identity_helper.exe (PID: 8112)

    • Reads the computer name

      • identity_helper.exe (PID: 7640)
      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • identity_helper.exe (PID: 8112)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

    • Application launched itself

      • msedge.exe (PID: 6528)
      • msedge.exe (PID: 7828)

    • The sample compiled with english language support

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)

    • Create files in a temporary directory

      • FastDownloader-3.1.0-x64.exe (PID: 5436)
      • FastDownloader-3.1.0-x64.exe (PID: 1984)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
171
Monitored processes
36
Malicious processes
0
Suspicious processes
3

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 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 fastdownloader-3.1.0-x64.exe fastdownloader-3.1.0-x64.exe msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe msedge.exe no specs msedge.exe no specs identity_helper.exe no specs identity_helper.exe no specs fastdownloader.exe no specs slui.exe no specs fastdownloader.exe no specs svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
1156"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=7108,i,14937274816892549383,3820486654663943204,262144 --variations-seed-version --mojo-platform-channel-handle=6816 /prefetch:8C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
133.0.3065.92
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\133.0.3065.92\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
1180"C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.92\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=4516,i,15136658465022310227,16036701839333141051,262144 --variations-seed-version --mojo-platform-channel-handle=3728 /prefetch:8C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.92\identity_helper.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
PWA Identity Proxy Host
Exit code:
3221226029
Version:
133.0.3065.92
Modules
Images
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\identity_helper.exe
c:\windows\system32\ntdll.dll
1216"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=2688,i,14937274816892549383,3820486654663943204,262144 --variations-seed-version --mojo-platform-channel-handle=2868 /prefetch:8C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
133.0.3065.92
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\133.0.3065.92\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
1760"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=1536,i,14937274816892549383,3820486654663943204,262144 --variations-seed-version --mojo-platform-channel-handle=7248 /prefetch:8C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Edge
Exit code:
0
Version:
133.0.3065.92
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\133.0.3065.92\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
1760C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
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
1984"C:\Users\admin\Downloads\FastDownloader-3.1.0-x64.exe" C:\Users\admin\Downloads\FastDownloader-3.1.0-x64.exe
msedge.exe
User:
admin
Company:
FastDownloadTeam.
Integrity Level:
MEDIUM
Exit code:
1
Version:
3.1.0
Modules
Images
c:\users\admin\downloads\fastdownloader-3.1.0-x64.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\user32.dll
c:\windows\syswow64\win32u.dll
2200C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
2324"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.142 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.92 --initial-client-data=0x304,0x308,0x30c,0x2fc,0x314,0x7ffc43a4f208,0x7ffc43a4f214,0x7ffc43a4f220C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Edge
Exit code:
0
Version:
133.0.3065.92
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\133.0.3065.92\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
3564C:\Users\admin\AppData\Local\Temp\2o8lesF5isqIAWFwsPFwOD3e5kt\FastDownloader.exe C:\Users\admin\AppData\Local\Temp\2o8lesF5isqIAWFwsPFwOD3e5kt\FastDownloader.exe—FastDownloader-3.1.0-x64.exe
User:
admin
Company:
FastDownloadTeam.
Integrity Level:
MEDIUM
Description:
FastDownloader
Exit code:
3221226540
Version:
3.1.0
Modules
Images
c:\users\admin\appdata\local\temp\2o8lesf5isqiawfwspfwod3e5kt\fastdownloader.exe
c:\windows\system32\ntdll.dll
3948"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --extension-process --renderer-sub-type=extension --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --always-read-main-dll --field-trial-handle=4284,i,14937274816892549383,3820486654663943204,262144 --variations-seed-version --mojo-platform-channel-handle=4320 /prefetch:2C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
133.0.3065.92
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\133.0.3065.92\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
8 714
Read events
8 682
Write events
32
Delete events
0

Modification events

(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\StabilityMetrics
Operation:writeName:user_experience_metrics.stability.exited_cleanly
Value:
0
(PID) Process:(6528) 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:
27A2521BCC972F00
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\394070
Operation:writeName:WindowTabManagerFileMappingId
Value:
{F9ECB9C9-0962-4844-AD49-DB04497A5EFA}
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\394070
Operation:writeName:WindowTabManagerFileMappingId
Value:
{73D99A35-CD95-4F2A-AFF5-3D37B894F93A}
(PID) Process:(6528) msedge.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\394070
Operation:writeName:WindowTabManagerFileMappingId
Value:
{A9792531-7894-45CA-935A-020AFE24A821}
Executable files
49
Suspicious files
718
Text files
86
Unknown types
4

Dropped files

PID
Process
Filename
Type
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\ClientCertificates\LOG.old~RF17566d.TMP —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF17567c.TMP —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF17567c.TMP —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF17567c.TMP —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\ClientCertificates\LOG.old —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old~RF17568c.TMP —
MD5:—
SHA256:—
6528msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
102
DNS requests
79
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6372
msedge.exe
GET
200
150.171.28.11:80
http://edge.microsoft.com/browsernetworktime/time/1/current?cup2key=2:PtwRIKJW2JKGxPwZZVT-l4WA-CV6cvUptikIB-j0Rq8&cup2hreq=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
unknown
—
—
whitelisted
6700
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
1268
svchost.exe
GET
200
2.16.168.114:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
1268
svchost.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
8108
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
8108
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
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
1268
svchost.exe
51.104.136.2:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5944
MoUsoCoreWorker.exe
51.104.136.2:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
7064
RUXIMICS.exe
51.104.136.2:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
6372
msedge.exe
13.107.42.16:443
config.edge.skype.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6372
msedge.exe
150.171.28.11:80
edge.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6372
msedge.exe
162.125.66.18:443
www.dropbox.com
DROPBOX
DE
whitelisted
6372
msedge.exe
150.171.28.11:443
edge.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6372
msedge.exe
2.16.241.224:443
copilot.microsoft.com
Akamai International B.V.
DE
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.238
whitelisted
edge.microsoft.com
  • 150.171.28.11
  • 150.171.27.11
whitelisted
config.edge.skype.com
  • 13.107.42.16
whitelisted
www.dropbox.com
  • 162.125.66.18
whitelisted
copilot.microsoft.com
  • 2.16.241.224
  • 2.16.241.220
whitelisted
www.bing.com
  • 2.23.227.215
  • 2.23.227.208
  • 92.123.104.63
  • 92.123.104.33
  • 92.123.104.59
  • 92.123.104.34
  • 92.123.104.28
  • 92.123.104.62
  • 92.123.104.32
  • 92.123.104.38
whitelisted
cfl.dropboxstatic.com
  • 104.16.100.29
  • 104.16.99.29
whitelisted
d.dropbox.com
  • 162.125.1.20
whitelisted
cdn.dropboxexperiment.com
  • 18.245.86.8
  • 18.245.86.117
  • 18.245.86.102
  • 18.245.86.15
unknown
accounts.google.com
  • 142.251.168.84
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
https://www.dropbox.com/scl/fi/6c63lujgmsr2p49l3k868/FastDownloader-3.1.0-x64.exe?rlkey=blq6k25gh9f8vpmeqfsi95yp4&st=klgbqx5p&dl=0