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URL:

http://4.au.download.windowsupdate.com:80/d/msdownload/update/software/uprl/2022/01/windows-kb890830-x64-v5.97_f721274e2e00c60616b9dd6a58094167dd59f8da.exe

Full analysis: https://app.any.run/tasks/6e0179f8-703c-482e-94f8-9f7e489bafad
Verdict: Malicious activity
Analysis date: January 24, 2022, 15:10:11
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

0C247DE4D68BBECFC0435FB3797A1DDF

SHA1:

C04A924F24B99276CD922123D66E2B1158B3C524

SHA256:

C67DF696B929802C2288C4EA0E4E702C4B191F07DE3A06F689AC32988B6FBE22

SSDEEP:

3:N1KqLEWd9r4E+ETdSLJkACANKX1OSML0PwITpkUCRAXhzBv2J3QOBEJn:CqDd9C0QVq9k9RAXhzBvagOBWn

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: 672)

    • Drops a file that was compiled in debug mode

      • firefox.exe (PID: 672)

  • INFO

    • Checks supported languages

      • firefox.exe (PID: 672)
      • firefox.exe (PID: 1704)
      • firefox.exe (PID: 2440)
      • firefox.exe (PID: 3652)
      • firefox.exe (PID: 2996)
      • firefox.exe (PID: 2532)
      • firefox.exe (PID: 272)
      • firefox.exe (PID: 2736)

    • Reads the computer name

      • firefox.exe (PID: 2440)
      • firefox.exe (PID: 672)
      • firefox.exe (PID: 2996)
      • firefox.exe (PID: 2532)
      • firefox.exe (PID: 272)
      • firefox.exe (PID: 3652)
      • firefox.exe (PID: 2736)

    • Reads CPU info

      • firefox.exe (PID: 672)

    • Application launched itself

      • firefox.exe (PID: 672)
      • firefox.exe (PID: 1704)

    • Creates files in the program directory

      • firefox.exe (PID: 672)

    • Creates files in the user directory

      • firefox.exe (PID: 672)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
8
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 firefox.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1704"C:\Program Files\Mozilla Firefox\firefox.exe" "http://4.au.download.windowsupdate.com:80/d/msdownload/update/software/uprl/2022/01/windows-kb890830-x64-v5.97_f721274e2e00c60616b9dd6a58094167dd59f8da.exe"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
672"C:\Program Files\Mozilla Firefox\firefox.exe" http://4.au.download.windowsupdate.com:80/d/msdownload/update/software/uprl/2022/01/windows-kb890830-x64-v5.97_f721274e2e00c60616b9dd6a58094167dd59f8da.exeC:\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\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
2440"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="672.0.2006072640\2137439268" -parentBuildID 20201112153044 -prefsHandle 1140 -prefMapHandle 1132 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 672 "\\.\pipe\gecko-crash-server-pipe.672" 1224 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\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
3652"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="672.6.469865930\830342453" -childID 1 -isForBrowser -prefsHandle 2808 -prefMapHandle 2804 -prefsLen 181 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 672 "\\.\pipe\gecko-crash-server-pipe.672" 2820 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\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2996"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="672.13.1657457929\1888460962" -childID 2 -isForBrowser -prefsHandle 2984 -prefMapHandle 1664 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 672 "\\.\pipe\gecko-crash-server-pipe.672" 2996 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\version.dll
2532"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="672.20.196661542\587393003" -childID 3 -isForBrowser -prefsHandle 3740 -prefMapHandle 3736 -prefsLen 7399 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 672 "\\.\pipe\gecko-crash-server-pipe.672" 3752 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:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\firefox.exe
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
272"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="672.21.1366713072\2063826581" -childID 4 -isForBrowser -prefsHandle 3764 -prefMapHandle 3760 -prefsLen 7399 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 672 "\\.\pipe\gecko-crash-server-pipe.672" 3784 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:\program files\mozilla firefox\vcruntime140.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
2736"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="672.34.1065237793\1619944734" -childID 5 -isForBrowser -prefsHandle 4004 -prefMapHandle 3764 -prefsLen 7399 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 672 "\\.\pipe\gecko-crash-server-pipe.672" 4020 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\msasn1.dll
Total events
8 433
Read events
8 409
Write events
24
Delete events
0

Modification events

(PID) Process:(1704) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
367EE7436E010000
(PID) Process:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
2E87E7436E010000
(PID) Process:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(672) 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:(672) 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:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(672) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
4
Suspicious files
101
Text files
40
Unknown types
14

Dropped files

PID
Process
Filename
Type
672firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:241D8F87B7CFE072DBCCDA76634F6BDC
SHA256:1DF7F1F3A598F7250CEBD5AFC900FB1D8B8FC25F5520A0D31B5CB212671A37E9
672firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\settings\main\ms-language-packs\asrouter.ftl.tmptext
MD5:3625F1DDA6D119478AD89D13950C9ACA
SHA256:CB40F6A8D58901D612A86690A41D4E273F24936FC926E98F82C0918CBEF4FC64
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
672firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2918063365piupsah.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmpjsonlz4
MD5:B17F8D93B0C43D6B72DC03752C20A2D9
SHA256:ADA0F70D374223FB63C2F19471FAB45D986A681E2485692E63F00F5071F19D76
672firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
40
DNS requests
73
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
672
firefox.exe
GET
—
95.140.236.128:80
http://4.au.download.windowsupdate.com/d/msdownload/update/software/uprl/2022/01/windows-kb890830-x64-v5.97_f721274e2e00c60616b9dd6a58094167dd59f8da.exe
GB
—
—
whitelisted
672
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 b
whitelisted
672
firefox.exe
POST
200
142.250.184.195:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
672
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
672
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
672
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
672
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
672
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
672
firefox.exe
POST
200
142.250.184.195:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
672
firefox.exe
POST
200
142.250.184.195:80
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
672
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
672
firefox.exe
34.107.221.82:80
detectportal.firefox.com
—
US
whitelisted
672
firefox.exe
35.163.112.241:443
location.services.mozilla.com
Amazon.com, Inc.
US
unknown
672
firefox.exe
95.140.236.128:80
4.au.download.windowsupdate.com
Limelight Networks, Inc.
GB
malicious
672
firefox.exe
143.204.98.36:443
content-signature-2.cdn.mozilla.net
—
US
suspicious
672
firefox.exe
143.204.98.29:443
firefox.settings.services.mozilla.com
—
US
malicious
672
firefox.exe
142.250.185.106:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
672
firefox.exe
142.250.184.195:80
ocsp.pki.goog
Google Inc.
US
whitelisted
672
firefox.exe
44.226.241.1:443
push.services.mozilla.com
University of California, San Diego
US
unknown
672
firefox.exe
143.204.98.122:443
firefox-settings-attachments.cdn.mozilla.net
—
US
suspicious

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
4.au.download.windowsupdate.com
  • 95.140.236.128
  • 95.140.236.0
whitelisted
windowsupdate.s.llnwi.net
  • 95.140.236.0
  • 95.140.236.128
  • 2a02:3d0:623:a000::8000
suspicious
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
firefox.settings.services.mozilla.com
  • 143.204.98.29
  • 143.204.98.76
  • 143.204.98.33
  • 143.204.98.23
whitelisted
location.services.mozilla.com
  • 35.163.112.241
  • 52.89.132.147
  • 52.89.115.53
  • 54.187.205.23
  • 35.82.27.113
  • 34.215.15.15
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 34.215.15.15
  • 35.82.27.113
  • 54.187.205.23
  • 52.89.115.53
  • 52.89.132.147
  • 35.163.112.241
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
cs9.wac.phicdn.net
  • 93.184.220.29
whitelisted
content-signature-2.cdn.mozilla.net
  • 143.204.98.36
  • 143.204.98.120
  • 143.204.98.118
  • 143.204.98.30
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
—
—
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
—
—
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
—
—
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
http://4.au.download.windowsupdate.com:80/d/msdownload/update/software/uprl/2022/01/windows-kb890830-x64-v5.97_f721274e2e00c60616b9dd6a58094167dd59f8da.exe