File name:

PO3373.doc

Full analysis: https://app.any.run/tasks/09bd9115-bf30-4a73-ab75-a18d7e5710fe
Verdict: Malicious activity
Analysis date: October 20, 2020, 09:49:04
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
exploit
cve-2017-11882
Indicators:
MIME: text/rtf
File info: Rich Text Format data, unknown version
MD5:

1EC343EF9F72DA70FBF51A900BC9BFBA

SHA1:

0F8836E8CC775C96FE4E39AE8775B546DE079D2B

SHA256:

13C792D0C8F243EE5311B9FAF4A29D1C0DEF68B6305E8633FCD71192C3D0A8D9

SSDEEP:

6144:MC8ZX6RPwQRzBlMSj3vQFeFcuWB1D3zrb1hEm2DA/ABZ13T5nz2729DPEtOz91oX:MC824YzPN7QScugD3R3xoBvhm2dEozrE

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: 2136)

    • Application was dropped or rewritten from another process

      • threex7539.exe (PID: 3540)
      • threex7539.exe (PID: 1760)

    • Changes the autorun value in the registry

      • threex7539.exe (PID: 3540)

    • Actions looks like stealing of personal data

      • threex7539.exe (PID: 1760)

  • SUSPICIOUS

    • Reads Internet Cache Settings

      • EQNEDT32.EXE (PID: 2136)

    • Executed via COM

      • EQNEDT32.EXE (PID: 2136)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 2136)
      • threex7539.exe (PID: 3540)

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2136)
      • threex7539.exe (PID: 3540)

    • Application launched itself

      • threex7539.exe (PID: 3540)

    • Loads DLL from Mozilla Firefox

      • threex7539.exe (PID: 1760)

  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 1340)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 1340)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start drop and start winword.exe no specs eqnedt32.exe threex7539.exe threex7539.exe

Process information

PID
CMD
Path
Indicators
Parent process
1340"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\PO3373.doc"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\winword.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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
1760"C:\Users\admin\AppData\Roaming\threex7539.exe"C:\Users\admin\AppData\Roaming\threex7539.exe
threex7539.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\threex7539.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
2136"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
Modules
Images
c:\program files\common files\microsoft shared\equation\eqnedt32.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
3540"C:\Users\admin\AppData\Roaming\threex7539.exe"C:\Users\admin\AppData\Roaming\threex7539.exe
EQNEDT32.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\threex7539.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
1 420
Read events
732
Write events
552
Delete events
136

Modification events

(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:146
Value:
313436003C050000010000000000000000000000
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(1340) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
Executable files
3
Suspicious files
0
Text files
2
Unknown types
4

Dropped files

PID
Process
Filename
Type
1340WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR3C81.tmp.cvr —
MD5:—
SHA256:—
2136EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\threex[1].exeexecutable
MD5:—
SHA256:—
2136EQNEDT32.EXEC:\Users\admin\AppData\Roaming\threex7539.exeexecutable
MD5:—
SHA256:—
1340WINWORD.EXEC:\Users\admin\Desktop\~$PO3373.docpgc
MD5:—
SHA256:—
1340WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\PO3373.doc.LNKlnk
MD5:—
SHA256:—
1340WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
1340WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dattext
MD5:—
SHA256:—
3540threex7539.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chlome\chlomx.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
Threats
3

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2136
EQNEDT32.EXE
193.228.91.147:80
gooddns.ir
—
AT
malicious

DNS requests

Domain
IP
Reputation
gooddns.ir
  • 193.228.91.147
unknown

Threats

PID
Process
Class
Message
2136
EQNEDT32.EXE
Misc Attack
ET DROP Dshield Block Listed Source group 1
2136
EQNEDT32.EXE
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
1 ETPRO signatures available at the full report
No debug info
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Reports
PO3373.doc