File name:

Re External RE Malicious mail from ayuas@ayuhas.net.msg

Full analysis: https://app.any.run/tasks/6f551177-6c88-4178-b9b8-5d4f31a5c7fd
Verdict: Malicious activity
Analysis date: August 08, 2020, 14:47:10
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/vnd.ms-outlook
File info: CDFV2 Microsoft Outlook Message
MD5:

BB354C478113755686F752E43A3AE2BD

SHA1:

DF688557A81AED3A23B66966CD1C273DAE0C2D6D

SHA256:

B7D71D70AE7125EB4D594E015CBCA6664403E6536A5838C7D86524B4207F5E73

SSDEEP:

6144:bKVpxJaZsDSHl5nB5jffe8rzRF3hjDOrlsSI+JmQ5r:6zauDSFDJfG8rVrDOB3Fr

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

    • Unusual execution from Microsoft Office

      • OUTLOOK.EXE (PID: 2300)

  • SUSPICIOUS

    • Creates files in the user directory

      • OUTLOOK.EXE (PID: 2300)

    • Starts itself from another location

      • OUTLOOK.EXE (PID: 2300)

    • Changes IE settings (feature browser emulation)

      • AcroRd32.exe (PID: 3428)

  • INFO

    • Reads Internet Cache Settings

      • OUTLOOK.EXE (PID: 2300)
      • AcroRd32.exe (PID: 3428)
      • AcroRd32.exe (PID: 2700)

    • Application launched itself

      • RdrCEF.exe (PID: 1804)
      • AcroRd32.exe (PID: 2788)
      • RdrCEF.exe (PID: 408)
      • AcroRd32.exe (PID: 3428)

    • Reads the hosts file

      • RdrCEF.exe (PID: 1804)
      • RdrCEF.exe (PID: 408)

    • Creates files in the user directory

      • AcroRd32.exe (PID: 3428)

    • Reads Microsoft Office registry keys

      • OUTLOOK.EXE (PID: 2300)
      • OUTLOOK.EXE (PID: 3968)

    • Reads settings of System Certificates

      • AcroRd32.exe (PID: 3428)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.msg | Outlook Message (58.9)
.oft | Outlook Form Template (34.4)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
12
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start outlook.exe acrord32.exe acrord32.exe no specs rdrcef.exe no specs rdrcef.exe no specs rdrcef.exe no specs acrord32.exe no specs acrord32.exe no specs rdrcef.exe no specs rdrcef.exe no specs rdrcef.exe no specs outlook.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
408"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:
3221225547
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
656"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\OD1GGVFR\Invoice.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:
1
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
832"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="1804.1.1355575442\1417600310" --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
1804"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
1920"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="408.1.638202330\171365142" --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
2300"C:\Program Files\Microsoft Office\Office14\OUTLOOK.EXE" /f "C:\Users\admin\AppData\Local\Temp\Re External RE Malicious mail from ayuas@ayuhas.net.msg"C:\Program Files\Microsoft Office\Office14\OUTLOOK.EXE
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Outlook
Exit code:
0
Version:
14.0.6025.1000
Modules
Images
c:\program files\microsoft office\office14\outlook.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2700"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\OD1GGVFR\Investigation-Report.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:
1
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
2788"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\OD1GGVFR\Invoice.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe—OUTLOOK.EXE
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Acrobat Reader DC
Exit code:
1
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
3428"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\OD1GGVFR\Investigation-Report.pdf"C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
OUTLOOK.EXE
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe Acrobat Reader DC
Exit code:
1
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
3752"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="408.0.1158584408\320740795" --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
2 360
Read events
1 560
Write events
770
Delete events
30

Modification events

(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
(PID) Process:(2300) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1055
Value:
Off
Executable files
0
Suspicious files
13
Text files
31
Unknown types
31

Dropped files

PID
Process
Filename
Type
2300OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\CVRBC2C.tmp.cvr —
MD5:—
SHA256:—
2300OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\OD1GGVFR\Investigation-Report (2).pdf\:Zone.Identifier:$DATA —
MD5:—
SHA256:—
2700AcroRd32.exeC:\Users\admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages-journal —
MD5:—
SHA256:—
2700AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R4ksn7k_5gdmud_230.tmp —
MD5:—
SHA256:—
2700AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R1cht6nu_5gdmuc_230.tmp —
MD5:—
SHA256:—
2700AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R1kl5so2_5gdmuf_230.tmp —
MD5:—
SHA256:—
2700AcroRd32.exeC:\Users\admin\AppData\Local\Temp\acrord32_sbx\A9R16l3k65_5gdmue_230.tmp —
MD5:—
SHA256:—
2300OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\5450ED82.datimage
MD5:—
SHA256:—
3428AcroRd32.exeC:\Users\admin\AppData\Local\Temp\Cab2F78.tmp —
MD5:—
SHA256:—
3428AcroRd32.exeC:\Users\admin\AppData\Local\Temp\Tar2F79.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
5
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3428
AcroRd32.exe
GET
304
2.16.177.91:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/280_15_23_20070.zip
unknown
—
—
whitelisted
3428
AcroRd32.exe
GET
304
2.16.177.91:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/281_15_23_20070.zip
unknown
—
—
whitelisted
3428
AcroRd32.exe
GET
304
2.16.177.91:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/278_15_23_20070.zip
unknown
—
—
whitelisted
3428
AcroRd32.exe
GET
304
2.16.177.91:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/277_15_23_20070.zip
unknown
—
—
whitelisted
3428
AcroRd32.exe
GET
200
2.16.177.91:80
http://acroipm2.adobe.com/15/rdr/ENU/win/nooem/none/consumer/message.zip
unknown
compressed
9.54 Kb
whitelisted
3428
AcroRd32.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAH9o%2BtuynXIiEOLckvPvJE%3D
US
der
471 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
3428
AcroRd32.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3428
AcroRd32.exe
2.16.177.91:80
acroipm2.adobe.com
Akamai International B.V.
—
whitelisted
2300
OUTLOOK.EXE
64.4.26.155:80
config.messenger.msn.com
Microsoft Corporation
US
whitelisted
3428
AcroRd32.exe
23.210.248.251:443
armmf.adobe.com
Akamai International B.V.
NL
whitelisted

DNS requests

Domain
IP
Reputation
config.messenger.msn.com
  • 64.4.26.155
whitelisted
acroipm2.adobe.com
  • 2.16.177.91
  • 2.16.177.123
whitelisted
armmf.adobe.com
  • 23.210.248.251
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted

Threats

No threats detected
No debug info
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Reports
Re External RE Malicious mail from ayuas@ayuhas.net.msg