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URL:

https://u.to/8VLqGw

Full analysis: https://app.any.run/tasks/4d3a1ad6-4480-4a7f-bc3d-02e5aaf087e2
Verdict: Malicious activity
Analysis date: January 15, 2022, 00:04:19
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

C5D7D38C4C5742E32C0FC6A847D7308A

SHA1:

AFD9C33584D77976FB265DC6979AC091054FF060

SHA256:

B9288625C28516AE73AEED9BA4C76AF5609D072E3E06AD5F0D9DE9D714C73C6A

SSDEEP:

3:N8o36x:2o3c

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

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 3464)

    • Drops a file that was compiled in debug mode

      • firefox.exe (PID: 3464)

  • INFO

    • Checks supported languages

      • firefox.exe (PID: 1044)
      • firefox.exe (PID: 2232)
      • firefox.exe (PID: 3464)
      • firefox.exe (PID: 2288)
      • firefox.exe (PID: 3532)
      • firefox.exe (PID: 2192)
      • firefox.exe (PID: 3116)

    • Reads the computer name

      • firefox.exe (PID: 3532)
      • firefox.exe (PID: 3464)
      • firefox.exe (PID: 2232)
      • firefox.exe (PID: 2288)
      • firefox.exe (PID: 3116)
      • firefox.exe (PID: 2192)

    • Reads CPU info

      • firefox.exe (PID: 3464)

    • Application launched itself

      • firefox.exe (PID: 1044)
      • firefox.exe (PID: 3464)

    • Creates files in the program directory

      • firefox.exe (PID: 3464)

    • Creates files in the user directory

      • firefox.exe (PID: 3464)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
7
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1044"C:\Program Files\Mozilla Firefox\firefox.exe" "https://u.to/8VLqGw"C:\Program Files\Mozilla Firefox\firefox.exe—Explorer.EXE
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3464"C:\Program Files\Mozilla Firefox\firefox.exe" https://u.to/8VLqGwC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3532"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3464.0.2004164357\281959064" -parentBuildID 20201112153044 -prefsHandle 908 -prefMapHandle 1116 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3464 "\\.\pipe\gecko-crash-server-pipe.3464" 1192 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\version.dll
2288"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3464.6.890329556\242117353" -childID 1 -isForBrowser -prefsHandle 2676 -prefMapHandle 2672 -prefsLen 245 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3464 "\\.\pipe\gecko-crash-server-pipe.3464" 2688 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2232"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3464.13.1384564850\643708376" -childID 2 -isForBrowser -prefsHandle 3036 -prefMapHandle 3032 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3464 "\\.\pipe\gecko-crash-server-pipe.3464" 3048 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2192"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3464.20.309308380\1560360826" -childID 3 -isForBrowser -prefsHandle 3484 -prefMapHandle 3480 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3464 "\\.\pipe\gecko-crash-server-pipe.3464" 3496 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msasn1.dll
3116"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3464.27.1325488301\1674692813" -childID 4 -isForBrowser -prefsHandle 3664 -prefMapHandle 3660 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3464 "\\.\pipe\gecko-crash-server-pipe.3464" 3676 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
83.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
Total events
7 957
Read events
7 933
Write events
24
Delete events
0

Modification events

(PID) Process:(1044) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
54376E7F29000000
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
CD406E7F29000000
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|ServicesSettingsServer
Value:
https://firefox.settings.services.mozilla.com/v1
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|SecurityContentSignatureRootHash
Value:
97:E8:BA:9C:F1:2F:B3:DE:53:CC:42:A4:E6:57:7E:D6:4D:F4:93:C2:47:B4:14:FE:A0:36:81:8D:38:23:56:0E
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3464) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
4
Suspicious files
96
Text files
38
Unknown types
23

Dropped files

PID
Process
Filename
Type
3464firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3464firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3464firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\protections.sqlite-journalbinary
MD5:4A93599AC5D9344809681E19F2A77658
SHA256:AA6BF362AD672EB0DD019631AE33CD0BC7654CF3438D97BD287C77AEB89DB30E
3464firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_ZLKlmb2nYDZyHhKbinary
MD5:351821E41EC0086E5EE4B40B74B78C7C
SHA256:7D0661D8684356385C846B65461F3E45C1F187264BC7C9AF978218FCA02FC8B8
3464firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:C02720DA56464244FEF4FCCB666AC839
SHA256:8E690B44CF2EB6414EAE3136AC342B28AE670D94959A35A189F404B9734EC313
3464firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2823318777ntouromlalnodry--naod.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3464firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\settings\main\ms-language-packs\asrouter.ftl.tmptext
MD5:3625F1DDA6D119478AD89D13950C9ACA
SHA256:CB40F6A8D58901D612A86690A41D4E273F24936FC926E98F82C0918CBEF4FC64
3464firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\settings\main\ms-language-packs\asrouter.ftltext
MD5:3625F1DDA6D119478AD89D13950C9ACA
SHA256:CB40F6A8D58901D612A86690A41D4E273F24936FC926E98F82C0918CBEF4FC64
3464firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3464firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
21
TCP/UDP connections
73
DNS requests
150
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3464
firefox.exe
GET
302
172.67.188.91:80
http://alturl.com/2wh3p
US
—
—
suspicious
3464
firefox.exe
GET
200
104.21.36.2:80
http://bigfollows.com/css/app.f9a188d9.css
US
compressed
1.24 Kb
malicious
3464
firefox.exe
GET
200
172.67.182.147:80
http://bigfollows.com/.well-known/http-opportunistic
US
text
45 b
malicious
3464
firefox.exe
GET
200
104.21.36.2:80
http://bigfollows.com/
US
html
623 b
malicious
3464
firefox.exe
GET
200
172.67.182.147:80
http://bigfollows.com/js/app.0409fb74.js
US
compressed
11.6 Kb
malicious
3464
firefox.exe
GET
200
172.67.182.147:80
http://bigfollows.com/js/chunk-vendors.e8783ada.js
US
compressed
44.7 Kb
malicious
3464
firefox.exe
POST
200
142.250.185.163:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3464
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 b
whitelisted
3464
firefox.exe
POST
200
142.250.185.163:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3464
firefox.exe
POST
200
5.45.205.243:80
http://yandex.ocsp-responder.com/
RU
der
1.48 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3464
firefox.exe
142.250.185.163:80
ocsp.pki.goog
Google Inc.
US
whitelisted
3464
firefox.exe
195.216.243.155:443
u.to
JSC Mastertel
RU
malicious
3464
firefox.exe
93.158.134.119:443
mc.yandex.ru
YANDEX LLC
RU
whitelisted
3464
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3464
firefox.exe
142.250.185.202:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3464
firefox.exe
18.66.112.126:443
content-signature-2.cdn.mozilla.net
Massachusetts Institute of Technology
US
unknown
3464
firefox.exe
34.107.221.82:80
detectportal.firefox.com
—
US
whitelisted
3464
firefox.exe
142.250.74.202:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3464
firefox.exe
13.224.193.58:443
snippets.cdn.mozilla.net
—
US
suspicious
3464
firefox.exe
65.9.61.84:443
firefox-settings-attachments.cdn.mozilla.net
AT&T Services, Inc.
US
unknown

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
u.to
  • 195.216.243.155
shared
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
firefox.settings.services.mozilla.com
  • 143.204.98.29
  • 143.204.98.33
  • 143.204.98.23
  • 143.204.98.76
  • 13.32.121.70
  • 13.32.121.7
  • 13.32.121.96
  • 13.32.121.6
whitelisted
location.services.mozilla.com
  • 35.163.35.154
  • 52.89.115.53
  • 52.42.77.140
  • 52.11.104.45
  • 52.26.7.9
  • 35.163.137.0
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 52.42.77.140
  • 35.163.137.0
  • 52.89.115.53
  • 35.163.35.154
  • 52.26.7.9
  • 52.11.104.45
whitelisted
content-signature-2.cdn.mozilla.net
  • 18.66.112.126
  • 18.66.112.10
  • 18.66.112.6
  • 18.66.112.33
whitelisted
d2nxq2uap88usk.cloudfront.net
  • 18.66.248.5
  • 18.66.248.112
  • 18.66.248.105
  • 18.66.248.40
  • 2600:9000:224a:8e00:a:da5e:7900:93a1
  • 2600:9000:224a:ec00:a:da5e:7900:93a1
  • 2600:9000:224a:3600:a:da5e:7900:93a1
  • 2600:9000:224a:f200:a:da5e:7900:93a1
  • 2600:9000:224a:9c00:a:da5e:7900:93a1
  • 2600:9000:224a:8600:a:da5e:7900:93a1
  • 2600:9000:224a:a800:a:da5e:7900:93a1
  • 2600:9000:224a:4e00:a:da5e:7900:93a1
shared
safebrowsing.googleapis.com
  • 142.250.185.202
  • 142.250.74.202
  • 2a00:1450:4001:812::200a
  • 142.250.186.106
whitelisted
push.services.mozilla.com
  • 35.161.207.165
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET DNS Query for .to TLD
—
—
Potentially Bad Traffic
ET DNS Query for .to TLD
—
—
Potentially Bad Traffic
ET DNS Query for .to TLD
3464
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3464
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://u.to/8VLqGw