URL:

http://172.86.75.112/112_3389.exe

Full analysis: https://app.any.run/tasks/0ca68be0-6dab-433f-98fa-67d75a0a43c3
Verdict: Malicious activity
Analysis date: October 04, 2022, 20:01:01
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

1FB9529D18DF812A5479D9B3EE259DAE

SHA1:

966FD19C071FE930D8479B194C051A713322B9A1

SHA256:

6B91AFB3412590645F5D56CF6D4E0D0C01D18767F63DD1F1E7DCF69B0A5AD73A

SSDEEP:

3:N1KqXLggG0ekAn:CqsgG0jAn

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: 3324)

    • Application was dropped or rewritten from another process

      • 112_3389.exe (PID: 3488)

  • SUSPICIOUS

    • Drops a file with a compile date too recent

      • firefox.exe (PID: 3324)

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 3324)

    • Checks supported languages

      • 112_3389.exe (PID: 3488)

  • INFO

    • Reads CPU info

      • firefox.exe (PID: 3324)

    • Application launched itself

      • firefox.exe (PID: 3324)
      • firefox.exe (PID: 3176)

    • Checks supported languages

      • firefox.exe (PID: 2300)
      • firefox.exe (PID: 3176)
      • firefox.exe (PID: 3324)
      • firefox.exe (PID: 3736)
      • firefox.exe (PID: 3100)
      • firefox.exe (PID: 1324)
      • firefox.exe (PID: 2744)

    • Reads the computer name

      • firefox.exe (PID: 2300)
      • firefox.exe (PID: 3100)
      • firefox.exe (PID: 3736)
      • firefox.exe (PID: 1324)
      • firefox.exe (PID: 3324)
      • firefox.exe (PID: 2744)

    • Creates files in the program directory

      • firefox.exe (PID: 3324)

    • Checks Windows Trust Settings

      • firefox.exe (PID: 3324)

    • Manual execution by user

      • 112_3389.exe (PID: 3488)

    • Reads the date of Windows installation

      • firefox.exe (PID: 3324)

    • Creates files in the user directory

      • firefox.exe (PID: 3324)
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
43
Monitored processes
8
Malicious processes
3
Suspicious processes
0

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 112_3389.exe

Process information

PID
CMD
Path
Indicators
Parent process
1324"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3324.20.1727143934\842551071" -childID 3 -isForBrowser -prefsHandle 3680 -prefMapHandle 3676 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3324 "\\.\pipe\gecko-crash-server-pipe.3324" 3692 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
2300"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3324.0.1578392686\1305698451" -parentBuildID 20201112153044 -prefsHandle 1096 -prefMapHandle 836 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3324 "\\.\pipe\gecko-crash-server-pipe.3324" 1192 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.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\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
2744"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3324.27.380219403\1366812670" -childID 4 -isForBrowser -prefsHandle 3876 -prefMapHandle 3872 -prefsLen 7399 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3324 "\\.\pipe\gecko-crash-server-pipe.3324" 3892 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\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
3100"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3324.6.1021803333\1618576620" -childID 1 -isForBrowser -prefsHandle 3080 -prefMapHandle 3076 -prefsLen 181 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3324 "\\.\pipe\gecko-crash-server-pipe.3324" 3092 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\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\kernel32.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
3176"C:\Program Files\Mozilla Firefox\firefox.exe" "http://172.86.75.112/112_3389.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\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
3324"C:\Program Files\Mozilla Firefox\firefox.exe" http://172.86.75.112/112_3389.exeC:\Program Files\Mozilla Firefox\firefox.exe
firefox.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\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\version.dll
c:\windows\system32\msasn1.dll
3488"C:\Users\admin\Downloads\112_3389.exe" C:\Users\admin\Downloads\112_3389.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\downloads\112_3389.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\mswsock.dll
3736"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3324.13.859826987\1160642426" -childID 2 -isForBrowser -prefsHandle 1444 -prefMapHandle 1448 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3324 "\\.\pipe\gecko-crash-server-pipe.3324" 2308 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\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.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\crypt32.dll
c:\windows\system32\rpcrt4.dll
Total events
9 535
Read events
9 496
Write events
39
Delete events
0

Modification events

(PID) Process:(3176) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
9978D88163000000
(PID) Process:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
9583D88163000000
(PID) Process:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3324) 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:(3324) 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:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3324) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
6
Suspicious files
127
Text files
46
Unknown types
24

Dropped files

PID
Process
Filename
Type
3324firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
3324firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_NOJzz6QO188e5Cbbinary
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Local\Temp\Xu_4ZOF6.exe.partexecutable
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionstore-backups\recovery.jsonlz4.tmpjsonlz4
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-new.bin —
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache.bin —
MD5:—
SHA256:—
3324firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
15
TCP/UDP connections
62
DNS requests
81
Threats
7

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3324
firefox.exe
GET
—
172.86.75.112:80
http://172.86.75.112/112_3389.exe
NL
—
—
suspicious
3324
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3324
firefox.exe
POST
200
142.250.186.131:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3324
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3324
firefox.exe
POST
200
184.24.77.65:80
http://r3.o.lencr.org/
US
der
503 b
shared
3324
firefox.exe
POST
200
142.250.186.131:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3324
firefox.exe
POST
200
142.250.186.131:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3324
firefox.exe
POST
200
142.250.186.131:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3324
firefox.exe
GET
200
2.16.106.209:80
http://ciscobinary.openh264.org/openh264-win32-2e1774ab6dc6c43debb0b5b628bdf122a391d521.zip
unknown
compressed
479 Kb
whitelisted
3324
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 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
3324
firefox.exe
34.160.144.191:443
content-signature-2.cdn.mozilla.net
GOOGLE
US
suspicious
3324
firefox.exe
172.86.75.112:80
—
BLNWX
NL
suspicious
3324
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
3324
firefox.exe
13.224.189.76:443
firefox.settings.services.mozilla.com
AMAZON-02
US
unknown
3324
firefox.exe
142.250.186.138:443
safebrowsing.googleapis.com
GOOGLE
US
whitelisted
3324
firefox.exe
35.163.138.146:443
location.services.mozilla.com
AMAZON-02
US
unknown
3324
firefox.exe
35.161.6.128:443
push.services.mozilla.com
AMAZON-02
US
unknown
3324
firefox.exe
93.184.220.29:80
ocsp.digicert.com
EDGECAST
GB
whitelisted
3324
firefox.exe
184.24.77.59:80
r3.o.lencr.org
Akamai International B.V.
DE
suspicious
3324
firefox.exe
13.225.78.62:443
firefox-settings-attachments.cdn.mozilla.net
AMAZON-02
US
whitelisted

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
firefox.settings.services.mozilla.com
  • 13.224.189.76
  • 13.224.189.85
  • 13.224.189.71
  • 13.224.189.54
whitelisted
example.org
  • 93.184.216.34
whitelisted
ipv4only.arpa
  • 192.0.0.170
  • 192.0.0.171
whitelisted
content-signature-2.cdn.mozilla.net
  • 34.160.144.191
whitelisted
prod.content-signature-chains.prod.webservices.mozgcp.net
  • 34.160.144.191
  • 2600:1901:0:92a9::
whitelisted
location.services.mozilla.com
  • 35.163.138.146
  • 52.41.132.37
  • 52.35.17.16
  • 54.184.13.11
  • 52.40.138.9
  • 35.161.134.0
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 35.161.134.0
  • 52.40.138.9
  • 54.184.13.11
  • 52.35.17.16
  • 52.41.132.37
  • 35.163.138.146
whitelisted
safebrowsing.googleapis.com
  • 142.250.186.138
  • 2a00:1450:4001:82a::200a
whitelisted

Threats

PID
Process
Class
Message
3324
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3324
firefox.exe
A Network Trojan was detected
ET INFO Executable Download from dotted-quad Host
3324
firefox.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3324
firefox.exe
Potentially Bad Traffic
ET INFO SUSPICIOUS Dotted Quad Host MZ Response
3324
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3324
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3324
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info
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Reports
http://172.86.75.112/112_3389.exe