URL:

http://chuff.cf

Full analysis: https://app.any.run/tasks/43dc0e1a-c993-46c6-ac37-f7835bdc449e
Verdict: Malicious activity
Analysis date: March 31, 2020, 06:04:54
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

575764104E129172FF21EFD1CAF3BCF9

SHA1:

B7C0DB680EC707E0F6756A54E1067126440DA39D

SHA256:

641474AFDB9B9CB5FB5F287E8CA0814E223074EBCBB7FA0DF115EA2421A3902B

SSDEEP:

3:N1KdNQon:Cx

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

    No suspicious indicators.

  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 2884)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2496)
      • iexplore.exe (PID: 2884)

    • Reads internet explorer settings

      • iexplore.exe (PID: 2496)

    • Creates files in the user directory

      • iexplore.exe (PID: 2496)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2884)
      • iexplore.exe (PID: 2496)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2884)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2884)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
2496"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2884 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
2884"C:\Program Files\Internet Explorer\iexplore.exe" http://chuff.cfC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
Total events
8 732
Read events
2 206
Write events
4 355
Delete events
2 171

Modification events

(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
1725610434
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30803746
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
0
Suspicious files
41
Text files
22
Unknown types
14

Dropped files

PID
Process
Filename
Type
2496iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\TKP7DMNH.txt —
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\4V3RLV70.txt —
MD5:—
SHA256:—
2884iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
2884iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\imagestore\f7ruq93\imagestore.datbinary
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\5IWPIAR9\network[1].pngimage
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab8804.tmp —
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar8805.tmp —
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5457A8CE4B2A7499F8299A013B6E1C7C_CE50F893881D43DC0C815E4D80FAF2B4der
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\BE8B021F9E811DFC8C8A28572A17C05A_F8C660BDA0A15C43A0E97ADAD6819DBBder
MD5:—
SHA256:—
2496iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CFE86DBBE02D859DC92F1E17E0574EE8_46766FC45507C0B9E264E4C18BC7288Bbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
28
TCP/UDP connections
44
DNS requests
21
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2496
iexplore.exe
GET
302
35.204.240.39:80
http://freenom.link/?k=80808080&_=1585634666
US
—
—
whitelisted
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/js/dos.js
US
text
19.8 Kb
suspicious
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/images.v2/icon-dashboard.png
US
image
11.1 Kb
suspicious
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/images.v2/icon-plus.png
US
image
736 b
suspicious
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/images.v2/icon-privacy.png
US
image
7.86 Kb
suspicious
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/images.v2/icon-dashboard-green.png
US
image
9.68 Kb
suspicious
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/js/searchr.js
US
text
1.93 Kb
suspicious
2496
iexplore.exe
GET
200
35.204.240.39:80
http://www.freenom.link/images.v2/network.png
US
image
7.59 Kb
suspicious
2496
iexplore.exe
GET
200
172.217.21.227:80
http://ocsp.pki.goog/gts1o1/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEQDy4NKedukSQwgAAAAAMgpY
US
der
472 b
whitelisted
2496
iexplore.exe
GET
200
172.217.21.227:80
http://ocsp.pki.goog/gsr2/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBTgXIsxbvr2lBkPpoIEVRE6gHlCnAQUm%2BIHV2ccHsBqBt5ZtJot39wZhi4CDQHjtJqhjYqpgSVpULg%3D
US
der
468 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
2496
iexplore.exe
216.58.206.14:443
www.google-analytics.com
Google Inc.
US
whitelisted
2496
iexplore.exe
195.20.50.138:80
chuff.cf
Verotel International B.V.
NL
suspicious
—
—
88.198.252.121:80
domain.dot.tk
Hetzner Online GmbH
DE
suspicious
—
—
195.20.50.138:80
chuff.cf
Verotel International B.V.
NL
suspicious
—
—
35.204.240.39:80
freenom.link
Google Inc.
US
suspicious
2496
iexplore.exe
209.197.3.15:443
maxcdn.bootstrapcdn.com
Highwinds Network Group, Inc.
US
whitelisted
2496
iexplore.exe
35.204.240.39:80
freenom.link
Google Inc.
US
suspicious
2496
iexplore.exe
209.197.3.15:80
maxcdn.bootstrapcdn.com
Highwinds Network Group, Inc.
US
whitelisted
2496
iexplore.exe
209.197.3.24:443
code.jquery.com
Highwinds Network Group, Inc.
US
malicious
2496
iexplore.exe
172.217.18.170:443
fonts.googleapis.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
chuff.cf
  • 195.20.50.138
suspicious
domain.dot.tk
  • 88.198.252.121
  • 109.235.49.197
  • 217.115.151.99
whitelisted
freenom.link
  • 35.204.240.39
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
www.freenom.link
  • 35.204.240.39
suspicious
maxcdn.bootstrapcdn.com
  • 209.197.3.15
whitelisted
fonts.googleapis.com
  • 172.217.18.170
whitelisted
code.jquery.com
  • 209.197.3.24
whitelisted
ocsp.pki.goog
  • 172.217.21.227
whitelisted

Threats

PID
Process
Class
Message
1052
svchost.exe
Potentially Bad Traffic
ET INFO DNS Query for Suspicious .cf Domain
1052
svchost.exe
Potentially Bad Traffic
ET DNS Query to a .tk domain - Likely Hostile
2496
iexplore.exe
Potentially Bad Traffic
ET POLICY HTTP Request to a *.tk domain
2496
iexplore.exe
Misc activity
SUSPICIOUS [PTsecurity] Malicious Redirect (EK seen)
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://chuff.cf