URL:

https://www.backmeoff.de

Full analysis: https://app.any.run/tasks/d162faab-daaf-4267-bf87-cc7dff308bd0
Verdict: Malicious activity
Analysis date: October 05, 2022, 01:03:41
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

828A6D1C7CF4CF2C2FDBA9219C1D9EB4

SHA1:

3C8A6CCD36AE1C3D410E99A9CA881BF4CEC7AA80

SHA256:

4FA88E7D633748540A8CF183A804EBC9E08EBF9B3492BD1393F05A181E5E9506

SSDEEP:

3:N8DSLk2bmn:2OLk2bm

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: 3840)

  • SUSPICIOUS

    • Drops a file with a compile date too recent

      • firefox.exe (PID: 3840)

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 3840)

  • INFO

    • Checks supported languages

      • firefox.exe (PID: 3048)
      • firefox.exe (PID: 3492)
      • firefox.exe (PID: 4020)
      • firefox.exe (PID: 3304)
      • firefox.exe (PID: 280)
      • firefox.exe (PID: 3840)
      • firefox.exe (PID: 4036)

    • Reads the computer name

      • firefox.exe (PID: 3840)
      • firefox.exe (PID: 4036)
      • firefox.exe (PID: 4020)
      • firefox.exe (PID: 3492)
      • firefox.exe (PID: 280)
      • firefox.exe (PID: 3304)

    • Application launched itself

      • firefox.exe (PID: 3840)
      • firefox.exe (PID: 3048)

    • Creates files in the program directory

      • firefox.exe (PID: 3840)

    • Creates files in the user directory

      • firefox.exe (PID: 3840)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
7
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

Process information

PID
CMD
Path
Indicators
Parent process
280"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3840.27.285192320\1620496750" -childID 4 -isForBrowser -prefsHandle 3432 -prefMapHandle 3448 -prefsLen 9137 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3840 "\\.\pipe\gecko-crash-server-pipe.3840" 3400 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:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\ntdll.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
3048"C:\Program Files\Mozilla Firefox\firefox.exe" "https://www.backmeoff.de"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
3304"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3840.6.738768503\35721121" -childID 1 -isForBrowser -prefsHandle 4240 -prefMapHandle 4236 -prefsLen 245 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3840 "\\.\pipe\gecko-crash-server-pipe.3840" 4252 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
3492"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3840.20.582196743\634567359" -childID 3 -isForBrowser -prefsHandle 1416 -prefMapHandle 2024 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3840 "\\.\pipe\gecko-crash-server-pipe.3840" 1968 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:\windows\system32\ntdll.dll
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\crypt32.dll
c:\windows\system32\rpcrt4.dll
3840"C:\Program Files\Mozilla Firefox\firefox.exe" https://www.backmeoff.deC:\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\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
4020"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3840.13.681063534\1406451488" -childID 2 -isForBrowser -prefsHandle 3168 -prefMapHandle 3164 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3840 "\\.\pipe\gecko-crash-server-pipe.3840" 2848 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
4036"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3840.0.216524437\1500997413" -parentBuildID 20201112153044 -prefsHandle 1100 -prefMapHandle 948 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3840 "\\.\pipe\gecko-crash-server-pipe.3840" 1172 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\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
Total events
7 554
Read events
7 530
Write events
24
Delete events
0

Modification events

(PID) Process:(3048) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
D3D7CF0D01000000
(PID) Process:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
0C3CD10D01000000
(PID) Process:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3840) 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:(3840) 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:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3840) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000003C010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Executable files
4
Suspicious files
105
Text files
40
Unknown types
23

Dropped files

PID
Process
Filename
Type
3840firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3840firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3840firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
3840firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_a0M3IjKzlWhhAMCbinary
MD5:—
SHA256:—
3840firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:—
SHA256:—
3840firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
3840firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
3840firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3840firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3840firefox.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
10
TCP/UDP connections
37
DNS requests
73
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3840
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3840
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3840
firefox.exe
POST
200
216.58.212.163:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3840
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt
US
text
8 b
whitelisted
3840
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3840
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3840
firefox.exe
POST
200
216.58.212.163:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3840
firefox.exe
POST
200
216.58.212.163:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3840
firefox.exe
GET
200
2.16.106.209:80
http://ciscobinary.openh264.org/openh264-win32-2e1774ab6dc6c43debb0b5b628bdf122a391d521.zip
unknown
compressed
479 Kb
whitelisted
3840
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
3840
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
3840
firefox.exe
143.204.215.95:443
firefox.settings.services.mozilla.com
AMAZON-02
US
suspicious
3840
firefox.exe
142.250.186.138:443
safebrowsing.googleapis.com
GOOGLE
US
whitelisted
3840
firefox.exe
54.184.13.11:443
location.services.mozilla.com
AMAZON-02
US
unknown
3840
firefox.exe
54.189.35.180:443
push.services.mozilla.com
AMAZON-02
US
unknown
3840
firefox.exe
93.184.220.29:80
ocsp.digicert.com
EDGECAST
GB
whitelisted
3840
firefox.exe
65.9.66.38:443
firefox-settings-attachments.cdn.mozilla.net
AMAZON-02
US
malicious
3840
firefox.exe
143.204.215.89:443
snippets.cdn.mozilla.net
AMAZON-02
US
malicious
3840
firefox.exe
216.58.212.163:80
ocsp.pki.goog
GOOGLE
US
whitelisted
—
—
93.184.220.29:80
ocsp.digicert.com
EDGECAST
GB
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
www.backmeoff.de
  • —
unknown
firefox.settings.services.mozilla.com
  • 143.204.215.95
  • 143.204.215.126
  • 143.204.215.75
  • 143.204.215.37
whitelisted
location.services.mozilla.com
  • 54.184.13.11
  • 52.41.132.37
  • 35.163.138.146
  • 52.35.17.16
  • 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
  • 52.35.17.16
  • 35.163.138.146
  • 52.41.132.37
  • 54.184.13.11
whitelisted
safebrowsing.googleapis.com
  • 142.250.186.138
  • 2a00:1450:4001:82a::200a
whitelisted
push.services.mozilla.com
  • 54.189.35.180
whitelisted
autopush.prod.mozaws.net
  • 54.189.35.180
whitelisted
content-signature-2.cdn.mozilla.net
  • 13.32.27.46
  • 13.32.27.122
  • 13.32.27.65
  • 13.32.27.5
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
—
—
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
3840
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3840
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info
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Reports
https://www.backmeoff.de