URL:

http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?650ea4e2435a0abc

Full analysis: https://app.any.run/tasks/8ef83573-bf01-439d-9c83-489b2489e2a1
Verdict: Malicious activity
Analysis date: November 30, 2020, 05:22:30
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

07BE4B3AB7365DDDCF6853BDB352A2A4

SHA1:

3AF72FCF2CD807DDBE0434751799DE34137ECC44

SHA256:

F991383C98E1C299562C64AC596AF90009DFF25AEAFA70D44F47B6EFCC01E530

SSDEEP:

3:N1KdRJ/PLr4E4eJkACA5GKRRk9oGVvL1RAXvG:CF/PL8+0xLbA/G

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 settings of System certificates

      • rundll32.exe (PID: 2664)
      • rundll32.exe (PID: 3744)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • WinRAR.exe (PID: 1088)

    • Adds / modifies Windows certificates

      • rundll32.exe (PID: 2664)
      • rundll32.exe (PID: 3744)

  • INFO

    • Reads the hosts file

      • chrome.exe (PID: 2368)
      • chrome.exe (PID: 2612)

    • Manual execution by user

      • explorer.exe (PID: 3676)
      • rundll32.exe (PID: 3744)
      • WinRAR.exe (PID: 1928)

    • Application launched itself

      • chrome.exe (PID: 2612)

    • Reads settings of System Certificates

      • rundll32.exe (PID: 3744)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
52
Monitored processes
15
Malicious processes
1
Suspicious processes
3

Behavior graph

Click at the process to see the details
start chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs winrar.exe no specs rundll32.exe no specs chrome.exe no specs explorer.exe no specs winrar.exe no specs chrome.exe no specs rundll32.exe

Process information

PID
CMD
Path
Indicators
Parent process
800"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,9394619957915541966,13037831704789810236,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=14399466716905194786 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2160 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
1088"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Downloads\disallowedcertstl.cab"C:\Program Files\WinRAR\WinRAR.exe—chrome.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
1744"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1052,9394619957915541966,13037831704789810236,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAADgACAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=8103906537906512960 --mojo-platform-channel-handle=1076 --ignored=" --type=renderer " /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
1928"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Downloads\disallowedcertstl.cab" C:\Users\admin\Downloads\C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
2204"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=2648 --on-initialized-event-handle=316 --parent-handle=320 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2348"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1052,9394619957915541966,13037831704789810236,131072 --enable-features=PasswordImport --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=6844352737319154760 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2360 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2368"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1052,9394619957915541966,13037831704789810236,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --service-request-channel-token=14977196752343086176 --mojo-platform-channel-handle=1484 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2612"C:\Program Files\Google\Chrome\Application\chrome.exe" --disk-cache-dir=null --disk-cache-size=1 --media-cache-size=1 --disable-gpu-shader-disk-cache --disable-background-networking "http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?650ea4e2435a0abc"C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2664"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCTL C:\Users\admin\AppData\Local\Temp\Rar$DIa1088.10708\disallowedcert.stlC:\Windows\system32\rundll32.exe—WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
2744"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1052,9394619957915541966,13037831704789810236,131072 --enable-features=PasswordImport --disable-gpu-sandbox --use-gl=disabled --gpu-preferences=KAAAAAAAAADgACAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=10632474719400833958 --mojo-platform-channel-handle=3688 /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
Total events
1 531
Read events
1 419
Write events
105
Delete events
7

Modification events

(PID) Process:(2204) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:writeName:2612-13251187364993375
Value:
259
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(2612) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:3252-13245750958665039
Value:
0
(PID) Process:(2612) chrome.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:writeName:usagestats
Value:
0
Executable files
0
Suspicious files
12
Text files
66
Unknown types
5

Dropped files

PID
Process
Filename
Type
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\BrowserMetrics\BrowserMetrics-5FC481A6-A34.pma —
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\92909f03-7ea6-4afa-b5ac-b57460986876.tmp —
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000048.dbtmp —
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Session Storage\LOG.old —
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\BudgetDatabase\LOG.oldtext
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.old~RF15ab4d.TMPtext
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.old~RF15ab4d.TMPtext
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\LOG.old —
MD5:—
SHA256:—
2612chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\LOG.old~RF15ad8f.TMP —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
10
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2368
chrome.exe
GET
200
8.248.119.254:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?650ea4e2435a0abc
US
compressed
4.66 Kb
whitelisted
3744
rundll32.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
der
824 b
whitelisted
3744
rundll32.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/MicCerLisCA2011_2011-03-29.crl
unknown
der
817 b
whitelisted
3744
rundll32.exe
GET
200
104.79.89.142:80
http://www.microsoft.com/pki/certs/MicCerLisCA2011_2011-03-29.crt
US
der
1.77 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2368
chrome.exe
216.58.207.45:443
accounts.google.com
Google Inc.
US
whitelisted
2368
chrome.exe
142.250.74.195:443
ssl.gstatic.com
Google Inc.
US
whitelisted
3744
rundll32.exe
2.16.186.120:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
2368
chrome.exe
67.27.234.126:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
2368
chrome.exe
172.217.21.206:443
clients1.google.com
Google Inc.
US
whitelisted
3744
rundll32.exe
104.79.89.142:80
www.microsoft.com
Time Warner Cable Internet LLC
US
unknown
2368
chrome.exe
8.248.119.254:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious

DNS requests

Domain
IP
Reputation
ctldl.windowsupdate.com
  • 8.248.119.254
  • 67.27.234.126
  • 67.26.81.254
  • 8.253.204.120
  • 67.26.137.254
whitelisted
accounts.google.com
  • 216.58.207.45
shared
ssl.gstatic.com
  • 142.250.74.195
whitelisted
www.microsoft.com
  • 104.79.89.142
whitelisted
crl.microsoft.com
  • 2.16.186.120
  • 2.16.186.74
whitelisted
clients1.google.com
  • 172.217.21.206
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?650ea4e2435a0abc