File name:

surgeon.pdf

Full analysis: https://app.any.run/tasks/2b2e19e6-34c2-4854-8130-65a3582412fc
Verdict: Malicious activity
Analysis date: October 19, 2020, 20:36:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
covid19
Indicators:
MIME: application/pdf
File info: PDF document, version 1.4
MD5:

1082C3DBEEFF282EC80E94F985269122

SHA1:

02A0E6635AE024650131F55CAC9A0598CB2B6D69

SHA256:

7CFF45649C4DC30C62128AC75C299D2351A69C89B26B3B6989B15D31746B090E

SSDEEP:

1536:AdHAOJIYNw20AomRj9y0/pactn7ViHDxcKIHt:OAQIYNb0AtRDam7Vuc3t

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

    • Starts Internet Explorer

      • AcroRd32.exe (PID: 2064)

    • Creates files in the program directory

      • AdobeARM.exe (PID: 3344)

  • INFO

    • Application launched itself

      • AcroRd32.exe (PID: 2064)
      • RdrCEF.exe (PID: 2512)
      • iexplore.exe (PID: 1652)

    • Changes IE settings (feature browser emulation)

      • AcroRd32.exe (PID: 2064)

    • Reads the hosts file

      • RdrCEF.exe (PID: 2512)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 1652)
      • iexplore.exe (PID: 2100)
      • AcroRd32.exe (PID: 944)
      • AcroRd32.exe (PID: 2064)
      • iexplore.exe (PID: 548)

    • Changes internet zones settings

      • iexplore.exe (PID: 1652)

    • Reads internet explorer settings

      • iexplore.exe (PID: 548)
      • iexplore.exe (PID: 2100)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 1652)
      • iexplore.exe (PID: 548)
      • AcroRd32.exe (PID: 2064)

    • Creates files in the user directory

      • iexplore.exe (PID: 2100)
      • iexplore.exe (PID: 548)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 1652)

    • Drops Coronavirus (possible) decoy

      • iexplore.exe (PID: 2100)

    • Changes settings of System certificates

      • iexplore.exe (PID: 1652)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.pdf | Adobe Portable Document Format (100)

EXIF

PDF

PDFVersion: 1.4
Linearized: No
Title: -
Creator: wkhtmltopdf 0.12.5
Producer: Qt 4.8.7
CreateDate: 2020:10:15 12:06:02+03:00
PageCount: 1
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
10
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start acrord32.exe acrord32.exe no specs rdrcef.exe no specs rdrcef.exe no specs iexplore.exe rdrcef.exe no specs iexplore.exe iexplore.exe adobearm.exe no specs reader_sl.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
548"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1652 CREDAT:3806487 /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
944"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer "C:\Users\admin\AppData\Local\Temp\surgeon.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe—AcroRd32.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
LOW
Description:
Adobe Acrobat Reader DC
Exit code:
0
Version:
15.23.20070.215641
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrord32.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\advapi32.dll
1652"C:\Program Files\Internet Explorer\iexplore.exe" http://slcgzvl.climbingritstone.com/51bc7C:\Program Files\Internet Explorer\iexplore.exe
AcroRd32.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
2064"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\AppData\Local\Temp\surgeon.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
explorer.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Acrobat Reader DC
Exit code:
0
Version:
15.23.20070.215641
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrord32.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\advapi32.dll
2100"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1652 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
2512"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16448250C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe—AcroRd32.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe RdrCEF
Exit code:
0
Version:
15.23.20053.211670
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrocef\rdrcef.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\advapi32.dll
2604"C:\Program Files\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe" C:\Program Files\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe—AdobeARM.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Acrobat SpeedLauncher
Exit code:
0
Version:
15.23.20053.211670
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\reader_sl.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\advapi32.dll
3344"C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:15.0 /MODE:3C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe—AcroRd32.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Reader and Acrobat Manager
Exit code:
0
Version:
1.824.27.2646
Modules
Images
c:\program files\common files\adobe\arm\1.0\adobearm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msi.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
3360"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-3d-apis --disable-databases --disable-direct-npapi-requests --disable-file-system --disable-notifications --disable-shared-workers --disable-direct-write --lang=en-US --lang=en-US --log-severity=disable --product-version="ReaderServices/15.23.20053 Chrome/45.0.2454.85" --device-scale-factor=1 --enable-delegated-renderer --num-raster-threads=2 --gpu-rasterization-msaa-sample-count=8 --content-image-texture-target=3553 --video-image-texture-target=3553 --disable-accelerated-video-decode --disable-webrtc-hw-encoding --disable-gpu-compositing --channel="2512.1.2095838679\785470737" --allow-no-sandbox-job /prefetch:673131151C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe—RdrCEF.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
LOW
Description:
Adobe RdrCEF
Exit code:
0
Version:
15.23.20053.211670
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrocef\rdrcef.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\advapi32.dll
3496"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-3d-apis --disable-databases --disable-direct-npapi-requests --disable-file-system --disable-notifications --disable-shared-workers --disable-direct-write --lang=en-US --lang=en-US --log-severity=disable --product-version="ReaderServices/15.23.20053 Chrome/45.0.2454.85" --device-scale-factor=1 --enable-delegated-renderer --num-raster-threads=2 --gpu-rasterization-msaa-sample-count=8 --content-image-texture-target=3553 --video-image-texture-target=3553 --disable-accelerated-video-decode --disable-webrtc-hw-encoding --disable-gpu-compositing --channel="2512.0.839346498\293396837" --allow-no-sandbox-job /prefetch:673131151C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe—RdrCEF.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
LOW
Description:
Adobe RdrCEF
Exit code:
0
Version:
15.23.20053.211670
Modules
Images
c:\program files\adobe\acrobat reader dc\reader\acrocef\rdrcef.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\advapi32.dll
Total events
1 028
Read events
886
Write events
138
Delete events
4

Modification events

(PID) Process:(944) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\ExitSection
Operation:writeName:bLastExitNormal
Value:
0
(PID) Process:(944) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\AVGeneral
Operation:writeName:bExpandRHPInViewer
Value:
1
(PID) Process:(944) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\NoTimeOut
Operation:writeName:smailto
Value:
5900
(PID) Process:(2064) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
Operation:writeName:AcroRd32.exe
Value:
10001
(PID) Process:(1652) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
2839150643
(PID) Process:(1652) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30844503
(PID) Process:(1652) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(1652) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(1652) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2064) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached
Operation:writeName:{17FE9752-0B5A-4665-84CD-569794602F5C} {7F9185B0-CB92-43C5-80A9-92277A4F7B54} 0xFFFF
Value:
0100000000000000B77F3C9757A6D601
Executable files
0
Suspicious files
75
Text files
121
Unknown types
104

Dropped files

PID
Process
Filename
Type
944AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages-journal —
MD5:—
SHA256:—
1652iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
2100iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab70B0.tmp —
MD5:—
SHA256:—
2100iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar70B1.tmp —
MD5:—
SHA256:—
944AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R10k6dm5_jsehrf_q8.tmp —
MD5:—
SHA256:—
944AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R7ja8k1_jsehrg_q8.tmp —
MD5:—
SHA256:—
944AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R1c4ti6b_jsehri_q8.tmp —
MD5:—
SHA256:—
944AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Ro3dwwn_jsehrh_q8.tmp —
MD5:—
SHA256:—
2100iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27der
MD5:—
SHA256:—
944AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagessqlite
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
163
TCP/UDP connections
199
DNS requests
41
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1652
iexplore.exe
GET
404
162.0.229.126:80
http://slcgzvl.climbingritstone.com/favicon.ico
CA
—
—
suspicious
2064
AcroRd32.exe
GET
304
2.16.107.24:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/278_15_23_20070.zip
unknown
—
—
whitelisted
2064
AcroRd32.exe
GET
304
2.16.107.24:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/280_15_23_20070.zip
unknown
—
—
whitelisted
2064
AcroRd32.exe
GET
304
2.16.107.24:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/277_15_23_20070.zip
unknown
—
—
whitelisted
2100
iexplore.exe
GET
200
74.208.236.74:80
http://coinsblog.ws/
US
html
42.0 Kb
suspicious
2100
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAo3h2ReX7SMIk79G%2B0UDDw%3D
US
der
1.47 Kb
whitelisted
2100
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQS14tALDViBvqCf47YkiQRtKz1BAQUpc436uuwdQ6UZ4i0RfrZJBCHlh8CEAwIDjn%2FFrMf7wXyIDkQENw%3D
US
der
280 b
whitelisted
2100
iexplore.exe
GET
200
162.0.229.126:80
http://slcgzvl.climbingritstone.com/51bc7
CA
html
3.20 Kb
suspicious
2100
iexplore.exe
GET
200
216.58.208.42:80
http://fonts.googleapis.com/css?family=Comfortaa:300,regular,700|Merriweather:300,300italic,regular,italic,700,700italic,900,900italic&subset=latin-ext,greek,vietnamese,cyrillic,latin,cyrillic-ext&display=swap
US
text
436 b
whitelisted
2100
iexplore.exe
GET
200
54.230.183.71:80
http://a.impactradius-go.com/display-ad/2029-76930
US
image
6.83 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
1652
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
2064
AcroRd32.exe
2.16.107.24:80
acroipm2.adobe.com
Akamai International B.V.
—
malicious
2064
AcroRd32.exe
2.18.233.74:443
armmf.adobe.com
Akamai International B.V.
—
whitelisted
2100
iexplore.exe
74.208.236.74:80
coinsblog.ws
1&1 Internet SE
US
malicious
2100
iexplore.exe
192.0.77.2:443
i2.wp.com
Automattic, Inc
US
suspicious
2100
iexplore.exe
216.58.208.42:80
fonts.googleapis.com
Google Inc.
US
whitelisted
2100
iexplore.exe
151.101.12.84:80
assets.pinterest.com
Fastly
US
unknown
2100
iexplore.exe
216.58.208.42:443
fonts.googleapis.com
Google Inc.
US
whitelisted
2064
AcroRd32.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2100
iexplore.exe
192.0.77.37:443
c0.wp.com
Automattic, Inc
US
suspicious

DNS requests

Domain
IP
Reputation
slcgzvl.climbingritstone.com
  • 162.0.229.126
suspicious
adropcolink.club
  • 104.24.110.155
  • 172.67.149.44
  • 104.24.111.155
suspicious
ocsp.digicert.com
  • 93.184.220.29
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
coinsblog.ws
  • 74.208.236.74
suspicious
acroipm2.adobe.com
  • 2.16.107.24
  • 2.16.107.49
whitelisted
armmf.adobe.com
  • 2.18.233.74
whitelisted
c0.wp.com
  • 192.0.77.37
whitelisted
fonts.googleapis.com
  • 216.58.208.42
whitelisted

Threats

PID
Process
Class
Message
1052
svchost.exe
Potentially Bad Traffic
ET INFO Suspicious Domain Request for Possible COVID-19 Domain M2
2100
iexplore.exe
Potentially Bad Traffic
ET INFO Suspicious GET Request with Possible COVID-19 Domain M2
2100
iexplore.exe
Potentially Bad Traffic
ET INFO Suspicious GET Request with Possible COVID-19 URI M2
548
iexplore.exe
Potentially Bad Traffic
ET INFO Suspicious GET Request with Possible COVID-19 Domain M2
548
iexplore.exe
Potentially Bad Traffic
ET INFO Suspicious GET Request with Possible COVID-19 URI M2
No debug info
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Reports
surgeon.pdf