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URL:

https://www.dropbox.com/l/scl/AAAHoEsF6Nmrl5ymPenu2iTiavIL8TI_bKY

Full analysis: https://app.any.run/tasks/b56e2e4e-5a72-47bc-b570-66b63bc15657
Verdict: Malicious activity
Analysis date: August 12, 2022, 15:12:27
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

C16DAEC2EAF9C8C93B84C9E7C97A184A

SHA1:

A0C28365DAE4CCE7C174495B51CD0EAEA4C16F3D

SHA256:

35BA6028B9C0D2F580C7FBF9C889F787A3A79004ECDA2CECC13215CDF38C66FA

SSDEEP:

3:N8DSLcVHG7KWerWMIuCM0dh:2OLHO/CiCMkh

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: 3344)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 3344)

    • Drops a file with a compile date too recent

      • firefox.exe (PID: 3344)

  • INFO

    • Reads CPU info

      • firefox.exe (PID: 3344)

    • Checks supported languages

      • firefox.exe (PID: 460)
      • firefox.exe (PID: 3444)
      • firefox.exe (PID: 3344)
      • firefox.exe (PID: 2576)
      • firefox.exe (PID: 2344)
      • firefox.exe (PID: 2184)
      • firefox.exe (PID: 1020)

    • Reads the computer name

      • firefox.exe (PID: 3344)
      • firefox.exe (PID: 460)
      • firefox.exe (PID: 2576)
      • firefox.exe (PID: 2184)
      • firefox.exe (PID: 2344)
      • firefox.exe (PID: 1020)

    • Application launched itself

      • firefox.exe (PID: 3444)
      • firefox.exe (PID: 3344)

    • Creates files in the program directory

      • firefox.exe (PID: 3344)

    • Dropped object may contain Bitcoin addresses

      • firefox.exe (PID: 3344)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
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
3444"C:\Program Files\Mozilla Firefox\firefox.exe" "https://www.dropbox.com/l/scl/AAAHoEsF6Nmrl5ymPenu2iTiavIL8TI_bKY"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\msasn1.dll
3344"C:\Program Files\Mozilla Firefox\firefox.exe" https://www.dropbox.com/l/scl/AAAHoEsF6Nmrl5ymPenu2iTiavIL8TI_bKYC:\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
460"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3344.0.676022017\1538920435" -parentBuildID 20201112153044 -prefsHandle 1108 -prefMapHandle 1100 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3344 "\\.\pipe\gecko-crash-server-pipe.3344" 1180 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
2576"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3344.6.105579082\2026740722" -childID 1 -isForBrowser -prefsHandle 2260 -prefMapHandle 2256 -prefsLen 181 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3344 "\\.\pipe\gecko-crash-server-pipe.3344" 2272 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
2184"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3344.13.815985098\1020441254" -childID 2 -isForBrowser -prefsHandle 3024 -prefMapHandle 3020 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3344 "\\.\pipe\gecko-crash-server-pipe.3344" 3036 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\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
2344"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3344.20.1138392394\1723211888" -childID 3 -isForBrowser -prefsHandle 3580 -prefMapHandle 3448 -prefsLen 7307 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3344 "\\.\pipe\gecko-crash-server-pipe.3344" 3588 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\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
1020"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3344.27.467164522\930855649" -childID 4 -isForBrowser -prefsHandle 3828 -prefMapHandle 3824 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 3344 "\\.\pipe\gecko-crash-server-pipe.3344" 3844 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
Total events
8 638
Read events
8 614
Write events
24
Delete events
0

Modification events

(PID) Process:(3444) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
44A04E3706000000
(PID) Process:(3344) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
EBA84E3706000000
(PID) Process:(3344) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3344) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3344) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3344) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3344) 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:(3344) 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:(3344) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3344) firefox.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
4
Suspicious files
111
Text files
46
Unknown types
26

Dropped files

PID
Process
Filename
Type
3344firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3344firefox.exeC:\Users\admin\AppData\Local\Temp\mz_etilqs_diFjW1dFPHt7CGVbinary
MD5:B07AACED6A2EAFF562D1BD3196AF2959
SHA256:9B266C5C83096A970452310A06C0E32E0B7814CF945FA1169244BBDDF72995E7
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-walbinary
MD5:88A32EFA15FFEE0E9ECDA2499F7EC8A8
SHA256:04BE6A4E5D3C3EE4E5EF02FA455A84896BCB40B1F77F08FEC6C9FE8718B04D6C
3344firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:994A33896BB41A278A315D0D796422B6
SHA256:54EC50A20FFF8CC016710E49437CF6A11D3FE5EE7B28C185E4A9AAFEE2908B63
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
3344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\protections.sqlite-journalbinary
MD5:0FB626C17034191AF7BE14FA686B6D2C
SHA256:82FA57A9FE2EE245B6246971437059C758C2575C585860315B416C8F210D6721
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
13
TCP/UDP connections
65
DNS requests
94
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3344
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3344
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
3344
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3344
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
US
text
8 b
whitelisted
3344
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3344
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3344
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
3344
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3344
firefox.exe
POST
200
142.250.185.99:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
3344
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
3344
firefox.exe
34.107.221.82:80
detectportal.firefox.com
—
US
whitelisted
3344
firefox.exe
142.250.179.202:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3344
firefox.exe
54.187.146.10:443
push.services.mozilla.com
Amazon.com, Inc.
US
unknown
3344
firefox.exe
52.35.17.16:443
location.services.mozilla.com
Amazon.com, Inc.
US
unknown
3344
firefox.exe
13.224.189.54:443
firefox.settings.services.mozilla.com
—
US
suspicious
3344
firefox.exe
162.125.66.18:443
www.dropbox.com
Dropbox, Inc.
DE
suspicious
3344
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3344
firefox.exe
13.225.78.8:443
content-signature-2.cdn.mozilla.net
—
US
malicious
3344
firefox.exe
13.225.78.62:443
firefox-settings-attachments.cdn.mozilla.net
—
US
whitelisted
3344
firefox.exe
162.125.248.18:443
dropbox.com
Dropbox, Inc.
US
suspicious

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
www.dropbox.com
  • 162.125.66.18
shared
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
www-env.dropbox-dns.com
  • 162.125.66.18
  • 2620:100:6022:18::a27d:4212
whitelisted
firefox.settings.services.mozilla.com
  • 13.224.189.54
  • 13.224.189.76
  • 13.224.189.85
  • 13.224.189.71
whitelisted
location.services.mozilla.com
  • 52.35.17.16
  • 54.184.13.11
  • 35.162.19.172
  • 35.167.105.243
  • 44.241.228.251
  • 34.213.44.137
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 34.213.44.137
  • 44.241.228.251
  • 35.167.105.243
  • 35.162.19.172
  • 54.184.13.11
  • 52.35.17.16
whitelisted
safebrowsing.googleapis.com
  • 142.250.179.202
  • 2a00:1450:4001:82b::200a
whitelisted
push.services.mozilla.com
  • 54.187.146.10
whitelisted
autopush.prod.mozaws.net
  • 54.187.146.10
whitelisted

Threats

PID
Process
Class
Message
3344
firefox.exe
Potential Corporate Privacy Violation
ET POLICY Dropbox.com Offsite File Backup in Use
3344
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
3344
firefox.exe
Potential Corporate Privacy Violation
ET POLICY Dropbox.com Offsite File Backup in Use
3344
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://www.dropbox.com/l/scl/AAAHoEsF6Nmrl5ymPenu2iTiavIL8TI_bKY