File name:

5271a5ddf476af87c6f833638375c72f.rtf

Full analysis: https://app.any.run/tasks/680c7e11-b08e-4999-a5f1-738970977f0b
Verdict: Malicious activity
Analysis date: May 24, 2019, 02:27:20
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ole-embedded
generated-doc
Indicators:
MIME: text/rtf
File info: Rich Text Format data, version 1, unknown character set
MD5:

5271A5DDF476AF87C6F833638375C72F

SHA1:

9300C56D00708F81BF0BDE77072B1826CD9E84B7

SHA256:

97C0BA7E6CB7EB507BB6E9D819786240292F2C3C72E4D7732DD007A9BBF4AF5E

SSDEEP:

6144:nRJ2V9r5DDMJxa2qsXEbEloB+4oGjONXeb9dyR:R4VF5DSUoloB+4oGjONXO9do

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

    • Writes file to Word startup folder

      • EQNEDT32.EXE (PID: 2516)

    • Executable content was dropped or overwritten

      • WINWORD.EXE (PID: 2896)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 2516)

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2516)

    • Executed via COM

      • EQNEDT32.EXE (PID: 2516)

    • Uses RUNDLL32.EXE to load library

      • cmd.exe (PID: 2204)

  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2896)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2896)

    • Manual execution by user

      • explorer.exe (PID: 4028)
      • rundll32.exe (PID: 952)
      • verclsid.exe (PID: 1720)
      • cmd.exe (PID: 2204)
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)

EXIF

RTF

Author: Windows User
LastModifiedBy: Windows User
CreateDate: 2017:11:19 20:54:00
ModifyDate: 2017:11:19 20:54:00
RevisionNumber: 2
TotalEditTime: -
Pages: 1
Words: -
Characters: 4
CharactersWithSpaces: 4
InternalVersionNumber: 32859
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
7
Malicious processes
0
Suspicious processes
2

Behavior graph

Click at the process to see the details
start winword.exe eqnedt32.exe explorer.exe no specs verclsid.exe no specs rundll32.exe no specs cmd.exe no specs rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
952"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Roaming\Microsoft\Word\STARTUP\winhelp.wllC:\Windows\system32\rundll32.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.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\imagehlp.dll
1080rundll32 C:\Users\admin\AppData\Roaming\Microsoft\Word\STARTUP\winhelp.wllC:\Windows\system32\rundll32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.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\imagehlp.dll
1720"C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401C:\Windows\system32\verclsid.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Extension CLSID Verification Host
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\verclsid.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2204"cmd.exe" /s /k pushd "C:\Users\admin\AppData\Roaming\Microsoft\Word\STARTUP"C:\Windows\system32\cmd.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
3221225786
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2516"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
2896"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\5271a5ddf476af87c6f833638375c72f.rtf"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
4028"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\gdi32.dll
c:\windows\system32\user32.dll
Total events
1 099
Read events
768
Write events
326
Delete events
5

Modification events

(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:7g=
Value:
37673D00500B0000010000000000000000000000
(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2896) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1320681502
(PID) Process:(2896) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1320681616
(PID) Process:(2896) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1320681617
(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
500B00005EBA6D40D811D50100000000
(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:ah=
Value:
61683D00500B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:delete valueName:ah=
Value:
61683D00500B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2896) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
2
Suspicious files
0
Text files
0
Unknown types
3

Dropped files

PID
Process
Filename
Type
2896WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRFA8.tmp.cvr —
MD5:—
SHA256:—
2896WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\AFB6873C.wmf —
MD5:—
SHA256:—
2896WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\91523CAA.wmf —
MD5:—
SHA256:—
2896WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
2516EQNEDT32.EXEC:\Users\admin\AppData\Roaming\Microsoft\Word\STARTUP\winhelp.wllexecutable
MD5:—
SHA256:—
2896WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$71a5ddf476af87c6f833638375c72f.rtfpgc
MD5:—
SHA256:—
2896WINWORD.EXEC:\Users\admin\AppData\Local\Temp\8.texecutable
MD5:—
SHA256:—
2896WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DB02C60D.wmfwmf
MD5:4BB0EECF04B74C919DC05F7315249BF9
SHA256:9D2DB8DD1A5D210FAD1C6E341ED0AA65F46ECC14685310B0384152EE9818F16C
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

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

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
5271a5ddf476af87c6f833638375c72f.rtf