File name:

0dd9d9638a59b6fbab792b7781962571b653c44ebae3d9b8351937ec71f0af8b.rtf

Full analysis: https://app.any.run/tasks/18c7c7d3-bf6b-4d82-8517-682b680033f6
Verdict: Malicious activity
Analysis date: July 13, 2020, 02:29:10
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ole-embedded
exploit
cve-2017-11882
Indicators:
MIME: text/rtf
File info: Rich Text Format data, unknown version
MD5:

FEF12D62A3B2FBF1D3BE1F0C71AE393E

SHA1:

DE54DEE3FBA472B898CE4BB3304D0DD89D17D34C

SHA256:

0DD9D9638A59B6FBAB792B7781962571B653C44EBAE3D9B8351937EC71F0AF8B

SSDEEP:

6144:IMmXjOiZgF4ax5vC3KkpSHOKlwK5EkNub1S4Vw0:IV+F4ax5q37MeK5bGw4Z

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

    • Application was dropped or rewritten from another process

      • rekeywiz.exe (PID: 2068)

    • Changes the autorun value in the registry

      • EQNEDT32.EXE (PID: 1340)

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

      • EQNEDT32.EXE (PID: 1340)

  • SUSPICIOUS

    • Executed via COM

      • EQNEDT32.EXE (PID: 1340)

    • Creates files in the program directory

      • EQNEDT32.EXE (PID: 1340)

    • Reads internet explorer settings

      • EQNEDT32.EXE (PID: 1340)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 1340)

  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 956)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 956)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
956"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\0dd9d9638a59b6fbab792b7781962571b653c44ebae3d9b8351937ec71f0af8b.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\msvcrt.dll
c:\windows\system32\advapi32.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
1340"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
2068"C:\ProgramData\DnsFiles\rekeywiz.exe" C:\ProgramData\DnsFiles\rekeywiz.exe—EQNEDT32.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
EFS REKEY wizard
Exit code:
3221225794
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\programdata\dnsfiles\rekeywiz.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
1 626
Read events
964
Write events
538
Delete events
124

Modification events

(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:vx4
Value:
76783400BC030000010000000000000000000000
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
Executable files
2
Suspicious files
1
Text files
2
Unknown types
2

Dropped files

PID
Process
Filename
Type
956WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRA0D6.tmp.cvr —
MD5:—
SHA256:—
956WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
1340EQNEDT32.EXEC:\ProgramData\DnsFiles\RaG3Oo.tmpbinary
MD5:—
SHA256:—
1340EQNEDT32.EXEC:\ProgramData\DnsFiles\Duser.dllexecutable
MD5:—
SHA256:—
956WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$d9d9638a59b6fbab792b7781962571b653c44ebae3d9b8351937ec71f0af8b.rtfpgc
MD5:—
SHA256:—
956WINWORD.EXEC:\Users\admin\AppData\Local\Temp\1.atext
MD5:—
SHA256:—
1340EQNEDT32.EXEC:\ProgramData\DnsFiles\rekeywiz.exe.configxml
MD5:—
SHA256:—
1340EQNEDT32.EXEC:\ProgramData\DnsFiles\rekeywiz.exeexecutable
MD5:082ED4A73761682F897EA1D7F4529F69
SHA256:FA86B5BC5343CA92C235304B8DCBCF4188C6BE7D4621C625564BEBD5326ED850
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
0dd9d9638a59b6fbab792b7781962571b653c44ebae3d9b8351937ec71f0af8b.rtf