download:

cobol-muthu-mainframe-refresher.pdf

Full analysis: https://app.any.run/tasks/c95e538e-c656-4bf9-b977-39b1da24325d
Verdict: Malicious activity
Analysis date: December 05, 2019, 13:34:02
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/pdf
File info: PDF document, version 1.4
MD5:

D1B7A9B0697543307E6AA2B9B15D417D

SHA1:

2596DD80AB7ADFA3E92CB75767FDC9775A9C0B73

SHA256:

4E07C4C7D5787FCB3C2CC2621F0417964F8519E0A50B3FFB8B9A11524FE34E59

SSDEEP:

384:wBK9wJ9CAjmp9GreIcUCTFU1+JzZApcgNzkhCUSDIYdhHtxherotyCUSNbJ:z9wJ0Aqp9fUtAZAGh+dJtKB0

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: 1296)
    • Creates files in the program directory

      • AdobeARM.exe (PID: 928)
  • INFO

    • Reads the hosts file

      • RdrCEF.exe (PID: 2836)
    • Changes internet zones settings

      • iexplore.exe (PID: 3916)
    • Reads internet explorer settings

      • iexplore.exe (PID: 776)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 776)
    • Reads settings of System Certificates

      • iexplore.exe (PID: 3916)
    • Changes settings of System certificates

      • iexplore.exe (PID: 3916)
    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 3916)
    • Application launched itself

      • RdrCEF.exe (PID: 2836)
      • AcroRd32.exe (PID: 1296)
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: cobol muthu mainframe refresher - Bing
Producer: wkhtmltopdf
CreateDate: 2014:04:25 22:33:20
PageCount: 2
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
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
776"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3916 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
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\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
928"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.exeAcroRd32.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
1296"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\AppData\Local\Temp\cobol-muthu-mainframe-refresher.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
1648"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer "C:\Users\admin\AppData\Local\Temp\cobol-muthu-mainframe-refresher.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeAcroRd32.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
2192"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="2836.0.2081884278\1210673738" --allow-no-sandbox-job /prefetch:673131151C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeRdrCEF.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
2772"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="2836.1.1426651556\763320103" --allow-no-sandbox-job /prefetch:673131151C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeRdrCEF.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
2784"C:\Program Files\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe" C:\Program Files\Adobe\Acrobat Reader DC\Reader\Reader_sl.exeAdobeARM.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
2836"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16448250C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeAcroRd32.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
3916"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
AcroRd32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
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\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
625
Read events
511
Write events
111
Delete events
3

Modification events

(PID) Process:(1648) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\ExitSection
Operation:writeName:bLastExitNormal
Value:
0
(PID) Process:(1648) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\AVGeneral
Operation:writeName:bExpandRHPInViewer
Value:
1
(PID) Process:(1648) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\NoTimeOut
Operation:writeName:smailto
Value:
5900
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\p2pcollab.dll,-8042
Value:
Peer to Peer Trust
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\qagentrt.dll,-10
Value:
System Health Authentication
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dnsapi.dll,-103
Value:
Domain Name System (DNS) Server Trust
(PID) Process:(1296) AcroRd32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\System32\fveui.dll,-843
Value:
BitLocker Drive Encryption
Executable files
0
Suspicious files
1
Text files
26
Unknown types
16

Dropped files

PID
Process
Filename
Type
1648AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages-journal
MD5:
SHA256:
1648AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rhv22rr_s1f4lx_19s.tmp
MD5:
SHA256:
1648AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rdnhrqv_s1f4lz_19s.tmp
MD5:
SHA256:
1648AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rie1w40_s1f4ly_19s.tmp
MD5:
SHA256:
1648AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rl962e1_s1f4m0_19s.tmp
MD5:
SHA256:
1648AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9Rsfk8x7_s1f4m1_19s.tmp
MD5:
SHA256:
3916iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\favicon[1].ico
MD5:
SHA256:
3916iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
MD5:
SHA256:
928AdobeARM.exeC:\Users\admin\AppData\Local\Temp\Tmp70C1.tmp
MD5:
SHA256:
928AdobeARM.exeC:\Users\admin\AppData\Local\Temp\Tmp70D1.tmp
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
14
DNS requests
7
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1296
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
776
iexplore.exe
GET
302
185.209.161.16:80
http://pdfdirpp.com/download2.php?q=cobol%20muthu%20mainframe%20refresher.pdf
US
malicious
1296
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
1296
AcroRd32.exe
GET
304
2.16.186.97:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/281_15_23_20070.zip
unknown
whitelisted
776
iexplore.exe
GET
301
95.179.132.183:80
http://mega-prize-area1.life/?u=31epbev&o=pdak7bf&t=12
GR
html
178 b
suspicious
1296
AcroRd32.exe
GET
304
2.16.186.97:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/280_15_23_20070.zip
unknown
whitelisted
3916
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
1296
AcroRd32.exe
GET
304
2.16.186.97:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/message.zip
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1296
AcroRd32.exe
2.18.233.74:443
armmf.adobe.com
Akamai International B.V.
whitelisted
1296
AcroRd32.exe
2.16.186.97:80
acroipm2.adobe.com
Akamai International B.V.
whitelisted
776
iexplore.exe
185.209.161.16:80
pdfdirpp.com
Public Wireless Broadband Inc Ltd
US
suspicious
3916
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
776
iexplore.exe
95.179.132.183:80
mega-prize-area1.life
Cosmoline Telecommunication Services S.A.
GR
suspicious
3916
iexplore.exe
95.179.132.183:443
mega-prize-area1.life
Cosmoline Telecommunication Services S.A.
GR
suspicious
2.18.233.74:443
armmf.adobe.com
Akamai International B.V.
whitelisted
23.58.217.61:443
ardownload2.adobe.com
Akamai Technologies, Inc.
US
whitelisted
776
iexplore.exe
95.179.132.183:443
mega-prize-area1.life
Cosmoline Telecommunication Services S.A.
GR
suspicious

DNS requests

Domain
IP
Reputation
acroipm2.adobe.com
  • 2.16.186.97
  • 2.16.186.57
whitelisted
armmf.adobe.com
  • 2.18.233.74
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
pdfdirpp.com
  • 185.209.161.16
malicious
mega-prize-area1.life
  • 95.179.132.183
suspicious
ardownload2.adobe.com
  • 23.58.217.61
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Potentially Bad Traffic
ET INFO Observed DNS Query to .life TLD
776
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Request to Suspicious *.life Domain
No debug info