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URL:

http://ultrasurf.us/download/u.zip

Full analysis: https://app.any.run/tasks/38bbe6b8-5812-4173-a5a8-3febbe9a2222
Verdict: Malicious activity
Analysis date: April 25, 2019, 23:38:15
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

0F4E3F1369C3BC231838B8F70BE0E67E

SHA1:

3D0B6FA42F430FD8D5C102872AA6437C7659FEB5

SHA256:

4274B57E908217E263928265BDCD4218F2CC3FE8AB0B1D291D1D141B0279C588

SSDEEP:

3:N1KLQLDK8SLmec:CUfR

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

    • Changes internet zones settings

      • u1902.exe (PID: 4020)

    • Application was dropped or rewritten from another process

      • u1902.exe (PID: 4020)
      • u.exe (PID: 1564)
      • u1902.exe (PID: 2104)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 4080)
      • u1902.exe (PID: 4020)
      • firefox.exe (PID: 1344)

    • Uses RUNDLL32.EXE to load library

      • u1902.exe (PID: 4020)
      • firefox.exe (PID: 1344)

    • Reads Internet Cache Settings

      • rundll32.exe (PID: 392)
      • rundll32.exe (PID: 728)
      • rundll32.exe (PID: 4072)
      • rundll32.exe (PID: 236)
      • rundll32.exe (PID: 1304)

    • Creates files in the user directory

      • rundll32.exe (PID: 728)

    • Modifies files in Chrome extension folder

      • chrome.exe (PID: 3124)

  • INFO

    • Reads CPU info

      • firefox.exe (PID: 1344)

    • Application launched itself

      • firefox.exe (PID: 1344)
      • chrome.exe (PID: 3124)

    • Creates files in the user directory

      • firefox.exe (PID: 1344)

    • Dropped object may contain Bitcoin addresses

      • firefox.exe (PID: 1344)

    • Reads settings of System Certificates

      • firefox.exe (PID: 1344)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
113
Monitored processes
78
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start drop and start firefox.exe firefox.exe no specs firefox.exe firefox.exe firefox.exe winrar.exe u1902.exe rundll32.exe no specs rundll32.exe no specs u.exe rundll32.exe no specs rundll32.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs rundll32.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs explorer.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs u1902.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1344"C:\Program Files\Mozilla Firefox\firefox.exe" http://ultrasurf.us/download/u.zipC:\Program Files\Mozilla Firefox\firefox.exe
explorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
65.0.2
1396"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1344.0.22279402\1159162441" -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - "C:\Users\admin\AppData\LocalLow\Mozilla\Temp-{ce348e4c-7d33-445e-89f9-60108c51bcaf}" 1344 "\\.\pipe\gecko-crash-server-pipe.1344" 1092 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
65.0.2
1180"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1344.6.1378478997\1418386898" -childID 1 -isForBrowser -prefsHandle 1772 -prefMapHandle 1768 -prefsLen 1 -prefMapSize 180950 -schedulerPrefs 0001,2 -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1344 "\\.\pipe\gecko-crash-server-pipe.1344" 1792 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
65.0.2
2520"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1344.13.2088159436\1081926171" -childID 2 -isForBrowser -prefsHandle 2404 -prefMapHandle 2408 -prefsLen 216 -prefMapSize 180950 -schedulerPrefs 0001,2 -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1344 "\\.\pipe\gecko-crash-server-pipe.1344" 2420 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
65.0.2
1828"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1344.20.943215455\1217633125" -childID 3 -isForBrowser -prefsHandle 3436 -prefMapHandle 3432 -prefsLen 5824 -prefMapSize 180950 -schedulerPrefs 0001,2 -parentBuildID 20190225143501 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1344 "\\.\pipe\gecko-crash-server-pipe.1344" 3444 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
65.0.2
4080"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\u.zip"C:\Program Files\WinRAR\WinRAR.exe
firefox.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.60.0
4020"C:\Users\admin\AppData\Local\Temp\Rar$EXa4080.4141\u1902.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa4080.4141\u1902.exe
WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
728"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\WININET.dll",DispatchAPICall 1 C:\Windows\system32\rundll32.exe—u1902.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
4072"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\WININET.dll",DispatchAPICall 1 C:\Windows\system32\rundll32.exe—u1902.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
1564C:\Users\admin\AppData\Local\Temp\Rar$EXa4080.4141\utmp\u.exe -L="127.0.0.1:9666" -CID="40e0c2f6", -ProgPath="C:\Users\admin\AppData\Local\Temp\Rar$EXa4080.4141\\" -TmpPath="C:\Users\admin\AppData\Local\Temp\Rar$EXa4080.4141\utmp\\" -ConnMode=0 -version="1902100"C:\Users\admin\AppData\Local\Temp\Rar$EXa4080.4141\utmp\u.exe
u1902.exe
User:
admin
Integrity Level:
MEDIUM
Total events
2 565
Read events
2 325
Write events
0
Delete events
0

Modification events

No data
Executable files
4
Suspicious files
207
Text files
215
Unknown types
56

Dropped files

PID
Process
Filename
Type
1344firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\cache2\trash19976 —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3561288849sdhlie.sqlite-shm —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cert9.db-journal —
MD5:—
SHA256:—
1344firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-child-current.binbinary
MD5:82F61C08D68502377826CA7EA054CEA7
SHA256:85801BCE5D7CE3A2ABC14E3208151AC9D324A6EA82FB2ADA1D10BAA8EF58E7DF
1344firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:8F89A5889E1615F65674DAF6A01A2454
SHA256:F6D3FDE91836D607A3311A6E0A12463C811F791A9F231D2FF8542D772FA22ED7
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
18
DNS requests
38
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1344
firefox.exe
GET
200
104.31.69.120:80
http://ultrasurf.us/.well-known/http-opportunistic
US
text
90 b
whitelisted
1344
firefox.exe
GET
200
104.31.68.120:80
http://ultrasurf.us/download/u.zip
US
compressed
3.43 Mb
whitelisted
1344
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1344
firefox.exe
GET
200
2.16.186.50:80
http://detectportal.firefox.com/success.txt
unknown
text
8 b
whitelisted
1344
firefox.exe
POST
200
172.217.22.99:80
http://ocsp.pki.goog/GTSGIAG3
US
der
471 b
whitelisted
1344
firefox.exe
POST
200
172.217.22.99:80
http://ocsp.pki.goog/GTSGIAG3
US
der
471 b
whitelisted
1344
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 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
1344
firefox.exe
2.16.186.50:80
detectportal.firefox.com
Akamai International B.V.
—
whitelisted
1344
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1344
firefox.exe
104.31.68.120:80
ultrasurf.us
Cloudflare Inc
US
shared
1344
firefox.exe
52.27.229.90:443
search.services.mozilla.com
Amazon.com, Inc.
US
unknown
1344
firefox.exe
52.88.59.160:443
tiles.services.mozilla.com
Amazon.com, Inc.
US
unknown
1344
firefox.exe
13.32.159.148:443
snippets.cdn.mozilla.net
Amazon.com, Inc.
US
unknown
1344
firefox.exe
104.31.68.120:443
ultrasurf.us
Cloudflare Inc
US
shared
1344
firefox.exe
104.31.69.120:80
ultrasurf.us
Cloudflare Inc
US
shared
1344
firefox.exe
172.217.22.110:443
sb-ssl.google.com
Google Inc.
US
whitelisted
1344
firefox.exe
216.58.205.234:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 2.16.186.50
  • 2.16.186.112
whitelisted
ultrasurf.us
  • 104.31.68.120
  • 104.31.69.120
whitelisted
a1089.dscd.akamai.net
  • 2.16.186.112
  • 2.16.186.50
whitelisted
search.services.mozilla.com
  • 52.27.229.90
  • 52.10.42.204
  • 54.200.51.65
whitelisted
search.r53-2.services.mozilla.com
  • 54.200.51.65
  • 52.10.42.204
  • 52.27.229.90
whitelisted
tiles.services.mozilla.com
  • 52.88.59.160
  • 54.186.163.246
  • 35.164.130.113
  • 35.165.22.140
  • 34.208.143.106
  • 35.164.218.3
  • 54.149.115.79
  • 34.214.69.153
whitelisted
tiles.r53-2.services.mozilla.com
  • 34.214.69.153
  • 54.149.115.79
  • 35.164.218.3
  • 34.208.143.106
  • 35.165.22.140
  • 35.164.130.113
  • 54.186.163.246
  • 52.88.59.160
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
cs9.wac.phicdn.net
  • 93.184.220.29
whitelisted
snippets.cdn.mozilla.net
  • 13.32.159.148
whitelisted

Threats

PID
Process
Class
Message
1564
u.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Possible JA3 UltraSurf Proxy Anonymizer
1564
u.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Possible JA3 UltraSurf Proxy Anonymizer
No debug info
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Reports
http://ultrasurf.us/download/u.zip