File name:

STO.pdf

Full analysis: https://app.any.run/tasks/f490ad2f-4123-46ca-b338-11cf04d707f2
Verdict: Malicious activity
Analysis date: September 30, 2020, 06:12:44
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
generated-doc
Indicators:
MIME: application/pdf
File info: PDF document, version 1.4
MD5:

9309E723D4DE2AFC0B2725D9DF6E6056

SHA1:

4B0320977F1BD1AE093C3084184275C30FFBC8EF

SHA256:

E530CCB9FB885746D1A9989CBE93B3E8EE495A9C34BC6AA843E4B816CA7EBD8A

SSDEEP:

6144:DZ5J+vG7KOJuUhLRiU5WWEi/qVG1DRyT9JUE:DbJ+vGiER9ERVGlsgE

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

    • Changes IE settings (feature browser emulation)

      • AcroRd32.exe (PID: 2136)

    • Starts Internet Explorer

      • AcroRd32.exe (PID: 2136)

    • Creates files in the program directory

      • AdobeARM.exe (PID: 3260)

  • INFO

    • Application launched itself

      • RdrCEF.exe (PID: 2696)
      • AcroRd32.exe (PID: 2136)
      • iexplore.exe (PID: 1780)

    • Reads the hosts file

      • RdrCEF.exe (PID: 2696)

    • Reads Internet Cache Settings

      • AcroRd32.exe (PID: 116)
      • iexplore.exe (PID: 1780)
      • AcroRd32.exe (PID: 2136)
      • iexplore.exe (PID: 1936)

    • Reads settings of System Certificates

      • AcroRd32.exe (PID: 2136)
      • iexplore.exe (PID: 1780)

    • Creates files in the user directory

      • iexplore.exe (PID: 1936)

    • Changes internet zones settings

      • iexplore.exe (PID: 1780)

    • Reads internet explorer settings

      • iexplore.exe (PID: 1936)

    • Changes settings of System certificates

      • iexplore.exe (PID: 1780)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 1780)
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
PageCount: 1
Creator: Canva
Producer: Canva
CreateDate: 2020:09:02 17:38:16+00:00
ModifyDate: 2020:09:02 17:38:16+00:00
Keywords:
  • DAEGqaS9nAw
  • BACzx8FJCjY
Author: Alexendre Tevez
Title: Blue and Orange Photo of Buildings Corporate Flyer
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
9
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 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
116"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer "C:\Users\admin\AppData\Local\Temp\STO.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
1780"C:\Program Files\Internet Explorer\iexplore.exe" http://www.shutdown-turnaround-maintenance.com/C:\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
1936"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1780 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
2136"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\AppData\Local\Temp\STO.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
2516"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
2696"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
3260"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
3512"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="2696.0.53231877\2079451183" --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
3844"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="2696.1.187707818\1662193522" --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
772
Read events
646
Write events
122
Delete events
4

Modification events

(PID) Process:(116) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\ExitSection
Operation:writeName:bLastExitNormal
Value:
0
(PID) Process:(116) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\AVGeneral
Operation:writeName:bExpandRHPInViewer
Value:
1
(PID) Process:(2136) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
Operation:writeName:AcroRd32.exe
Value:
10001
(PID) Process:(2136) 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:
010000000000000091207FC6F096D601
(PID) Process:(1780) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
3631528771
(PID) Process:(1780) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30840560
(PID) Process:(1780) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(1780) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(1780) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(1780) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
Executable files
0
Suspicious files
51
Text files
50
Unknown types
56

Dropped files

PID
Process
Filename
Type
116AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages-journal —
MD5:—
SHA256:—
116AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rkwk5r6_5o58pp_38.tmp —
MD5:—
SHA256:—
116AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R1sw19ld_5o58po_38.tmp —
MD5:—
SHA256:—
116AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R15j0yg6_5o58pr_38.tmp —
MD5:—
SHA256:—
116AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rolp81e_5o58pq_38.tmp —
MD5:—
SHA256:—
2136AcroRd32.exeC:\Users\admin\AppData\Local\Temp\CabE7C6.tmp —
MD5:—
SHA256:—
2136AcroRd32.exeC:\Users\admin\AppData\Local\Temp\TarE7C7.tmp —
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\CabEE2F.tmp —
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\TarEE30.tmp —
MD5:—
SHA256:—
1936iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\ESVR3B58.txt —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
32
TCP/UDP connections
61
DNS requests
21
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2136
AcroRd32.exe
GET
304
2.16.186.97:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/278_15_23_20070.zip
unknown
—
—
whitelisted
1936
iexplore.exe
GET
301
35.242.251.130:80
http://www.shutdown-turnaround-maintenance.com/
US
—
—
malicious
2136
AcroRd32.exe
GET
304
2.16.186.97:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/277_15_23_20070.zip
unknown
—
—
whitelisted
1936
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.sectigo.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRDC9IOTxN6GmyRjyTl2n4yTUczyAQUjYxexFStiuF36Zv5mwXhuAGNYeECEBD6x35Dnuv8VCMV6sWp%2FNU%3D
US
der
471 b
whitelisted
1936
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.sectigo.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRDC9IOTxN6GmyRjyTl2n4yTUczyAQUjYxexFStiuF36Zv5mwXhuAGNYeECEBD6x35Dnuv8VCMV6sWp%2FNU%3D
US
der
471 b
whitelisted
1936
iexplore.exe
GET
200
104.18.20.226:80
http://ocsp.globalsign.com/rootr1/ME8wTTBLMEkwRzAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCDkbwjNvPLFRm7zMB3V80
US
der
1.49 Kb
whitelisted
1936
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.sectigo.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRDC9IOTxN6GmyRjyTl2n4yTUczyAQUjYxexFStiuF36Zv5mwXhuAGNYeECEBD6x35Dnuv8VCMV6sWp%2FNU%3D
US
der
471 b
whitelisted
1936
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.usertrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTNMNJMNDqCqx8FcBWK16EHdimS6QQUU3m%2FWqorSs9UgOHYm8Cd8rIDZssCEH1bUSa0droR23QWC7xTDac%3D
US
der
727 b
whitelisted
1936
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.sectigo.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRDC9IOTxN6GmyRjyTl2n4yTUczyAQUjYxexFStiuF36Zv5mwXhuAGNYeECEBD6x35Dnuv8VCMV6sWp%2FNU%3D
US
der
471 b
whitelisted
1936
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.sectigo.com/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRDC9IOTxN6GmyRjyTl2n4yTUczyAQUjYxexFStiuF36Zv5mwXhuAGNYeECEQDJYwTMfUXQOpnH1iXqoU8t
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
1936
iexplore.exe
35.242.251.130:443
www.shutdown-turnaround-maintenance.com
—
US
malicious
1936
iexplore.exe
35.242.251.130:80
www.shutdown-turnaround-maintenance.com
—
US
malicious
2136
AcroRd32.exe
23.210.248.251:443
armmf.adobe.com
Akamai International B.V.
NL
whitelisted
2136
AcroRd32.exe
2.16.186.97:80
acroipm2.adobe.com
Akamai International B.V.
—
whitelisted
2136
AcroRd32.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1936
iexplore.exe
151.139.128.14:80
ocsp.comodoca.com
Highwinds Network Group, Inc.
US
suspicious
—
—
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
1936
iexplore.exe
104.18.20.226:80
ocsp.globalsign.com
Cloudflare Inc
US
shared
1936
iexplore.exe
54.236.107.104:443
frog.wix.com
Amazon.com, Inc.
US
unknown
1936
iexplore.exe
216.58.212.163:443
fonts.gstatic.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.shutdown-turnaround-maintenance.com
  • 35.242.251.130
malicious
acroipm2.adobe.com
  • 2.16.186.97
  • 2.16.186.57
whitelisted
armmf.adobe.com
  • 23.210.248.251
whitelisted
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
ocsp.comodoca.com
  • 151.139.128.14
whitelisted
ocsp.usertrust.com
  • 151.139.128.14
whitelisted
ocsp.sectigo.com
  • 151.139.128.14
whitelisted
static.parastorage.com
  • 151.101.2.49
  • 151.101.66.49
  • 151.101.130.49
  • 151.101.194.49
shared

Threats

No threats detected
No debug info
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Reports
STO.pdf