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URL:

https://labcorp.tbs.aon.com

Full analysis: https://app.any.run/tasks/df009daa-8a15-420f-8724-773d0621f68c
Verdict: Malicious activity
Analysis date: August 12, 2022, 15:10:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

993E5FBFC81E8BD8FF7BB19261947F61

SHA1:

363A587B6F2A6F18375FBCF077CBF76FD236659F

SHA256:

EF9C4A74D0AB504D85927C84244E3449BB72F36CB25AD96A035F1E57D8139073

SSDEEP:

3:N8EHGULR2a:2EjR2a

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

    • Drops executable file immediately after starts

      • firefox.exe (PID: 3104)

  • SUSPICIOUS

    • Drops a file with a compile date too recent

      • firefox.exe (PID: 3104)

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 3104)

  • INFO

    • Checks supported languages

      • firefox.exe (PID: 3104)
      • firefox.exe (PID: 2104)
      • firefox.exe (PID: 1656)
      • firefox.exe (PID: 1060)
      • firefox.exe (PID: 900)
      • firefox.exe (PID: 2836)
      • firefox.exe (PID: 3124)
      • firefox.exe (PID: 3392)

    • Reads the computer name

      • firefox.exe (PID: 3104)
      • firefox.exe (PID: 2104)
      • firefox.exe (PID: 900)
      • firefox.exe (PID: 2836)
      • firefox.exe (PID: 1060)
      • firefox.exe (PID: 3124)
      • firefox.exe (PID: 3392)

    • Reads CPU info

      • firefox.exe (PID: 3104)

    • Application launched itself

      • firefox.exe (PID: 1656)
      • firefox.exe (PID: 3104)

    • Creates files in the program directory

      • firefox.exe (PID: 3104)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
8
Malicious processes
1
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 firefox.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1656"C:\Program Files\Mozilla Firefox\firefox.exe" "https://labcorp.tbs.aon.com"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\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\crypt32.dll
3104"C:\Program Files\Mozilla Firefox\firefox.exe" https://labcorp.tbs.aon.comC:\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\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2104"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3104.0.2107042437\1373661108" -parentBuildID 20201112153044 -prefsHandle 1108 -prefMapHandle 792 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3104 "\\.\pipe\gecko-crash-server-pipe.3104" 1184 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\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
2836"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3104.6.415411577\673549120" -childID 1 -isForBrowser -prefsHandle 2868 -prefMapHandle 2864 -prefsLen 245 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3104 "\\.\pipe\gecko-crash-server-pipe.3104" 2880 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:\program files\mozilla firefox\mozglue.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\crypt32.dll
1060"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3104.13.1701759832\312882295" -childID 2 -isForBrowser -prefsHandle 3240 -prefMapHandle 3236 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3104 "\\.\pipe\gecko-crash-server-pipe.3104" 3252 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\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\sechost.dll
900"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3104.20.1208828240\402075378" -childID 3 -isForBrowser -prefsHandle 3752 -prefMapHandle 3748 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3104 "\\.\pipe\gecko-crash-server-pipe.3104" 3764 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
3124"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3104.27.2143656109\523972066" -childID 4 -isForBrowser -prefsHandle 3956 -prefMapHandle 4000 -prefsLen 8353 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3104 "\\.\pipe\gecko-crash-server-pipe.3104" 3980 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:\program files\mozilla firefox\api-ms-win-core-timezone-l1-1-0.dll
3392"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3104.28.1862607731\973073689" -childID 5 -isForBrowser -prefsHandle 4028 -prefMapHandle 4036 -prefsLen 8353 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3104 "\\.\pipe\gecko-crash-server-pipe.3104" 4060 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
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
Total events
8 558
Read events
8 534
Write events
24
Delete events
0

Modification events

(PID) Process:(1656) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
97BB247E05000000
(PID) Process:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
26C6247E05000000
(PID) Process:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3104) 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:(3104) 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:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3104) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
4
Suspicious files
94
Text files
38
Unknown types
24

Dropped files

PID
Process
Filename
Type
3104firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\places.sqlite-walsqlite-wal
MD5:F433A6A94AB6B84CDF3BB80F5DCB6C4F
SHA256:68EB14CB6B9C2CAD340956A2A60BB3EB5479A884F033A435796F449543B3EB98
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:1F0A7978B20A56A970804A07B2E447C1
SHA256:1FE81F95DD3F556E8CC4A8FEBA43D65AD6F04C7D3870FD08BAA589F3BEFCE9AC
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
3104firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
3104firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
74
DNS requests
96
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3104
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3104
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3104
firefox.exe
POST
200
104.18.32.68:80
http://ocsp.sectigo.com/
US
der
472 b
whitelisted
3104
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3104
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3104
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 b
whitelisted
3104
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
3104
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3104
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3104
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3104
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3104
firefox.exe
44.241.228.251:443
location.services.mozilla.com
University of California, San Diego
US
unknown
3104
firefox.exe
51.105.160.204:443
labcorp.tbs.aon.com
Microsoft Corporation
GB
unknown
—
—
192.168.100.2:53
—
—
—
whitelisted
3104
firefox.exe
34.107.221.82:80
detectportal.firefox.com
—
US
whitelisted
3104
firefox.exe
13.224.189.76:443
firefox.settings.services.mozilla.com
—
US
unknown
3104
firefox.exe
13.225.78.8:443
content-signature-2.cdn.mozilla.net
—
US
malicious
3104
firefox.exe
184.24.77.156:443
use.typekit.net
Time Warner Cable Internet LLC
US
suspicious
3104
firefox.exe
142.250.179.138:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3104
firefox.exe
104.16.149.64:443
cdn.cookielaw.org
Cloudflare Inc
US
unknown

DNS requests

Domain
IP
Reputation
www.microsoft.com
  • —
whitelisted
detectportal.firefox.com
  • 34.107.221.82
whitelisted
labcorp.tbs.aon.com
  • 51.105.160.204
unknown
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
gi-weu-prod-kentico01.westeurope.cloudapp.azure.com
  • 51.105.160.204
unknown
firefox.settings.services.mozilla.com
  • 13.224.189.76
  • 13.224.189.54
  • 13.224.189.85
  • 13.224.189.71
whitelisted
location.services.mozilla.com
  • 44.241.228.251
  • 34.213.44.137
  • 52.35.17.16
  • 35.162.19.172
  • 35.167.105.243
  • 54.184.13.11
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 54.184.13.11
  • 35.167.105.243
  • 35.162.19.172
  • 52.35.17.16
  • 34.213.44.137
  • 44.241.228.251
whitelisted
example.org
  • 93.184.216.34
whitelisted
ipv4only.arpa
  • 192.0.0.171
  • 192.0.0.170
whitelisted

Threats

PID
Process
Class
Message
3104
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3104
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info
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https://labcorp.tbs.aon.com