File name:

factura.doc

Full analysis: https://app.any.run/tasks/8d4b1c11-4df6-4bb3-8107-edd53e4b5256
Verdict: Malicious activity
Analysis date: March 18, 2024, 19:36:12
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
exploit
cve-2017-11882
MIME: text/rtf
File info: Rich Text Format data, version 7
MD5:

05C137D8E79CE59ED6E4B7CD78E5B8A2

SHA1:

3A41DE3774B6A17A34A8BEDF1A0881A3F08D492D

SHA256:

5A31C77293AF2920D7020D5D0236691ADCEA2C57C2716658CE118A5CBA9D4913

SSDEEP:

192:TMv9/nrxOgNIVk04Pre4VqPuc+17rf14g/gjXKSDxX8VxrdPJH:Yv9/rsok+Prz1dZKXDsjtJH

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 (likely CVE-2017-11882)

      • EQNEDT32.EXE (PID: 2572)

    • Suspicious connection from the Equation Editor

      • EQNEDT32.EXE (PID: 2572)

  • SUSPICIOUS

    • Non-standard symbols in registry

      • WINWORD.EXE (PID: 3956)

    • Reads security settings of Internet Explorer

      • EQNEDT32.EXE (PID: 2572)

    • Reads the Internet Settings

      • EQNEDT32.EXE (PID: 2572)

  • INFO

    • Reads the machine GUID from the registry

      • EQNEDT32.EXE (PID: 2572)

    • Checks supported languages

      • EQNEDT32.EXE (PID: 2572)

    • Checks proxy server information

      • EQNEDT32.EXE (PID: 2572)

    • Reads the computer name

      • EQNEDT32.EXE (PID: 2572)
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.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2572"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:\windows\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
3956"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\factura.doc.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:\windows\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_5.82.7601.18837_none_ec86b8d6858ec0bc\comctl32.dll
Total events
7 599
Read events
6 784
Write events
567
Delete events
248

Modification events

(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:*n?
Value:
2A6E3F00740F0000010000000000000000000000
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(3956) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
Executable files
0
Suspicious files
2
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3956WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR220A.tmp.cvr —
MD5:—
SHA256:—
3956WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$ctura.doc.rtfpgc
MD5:9B30B4D0C5364E798475A585DA4CEBFB
SHA256:3AE74A2A497B80183776A715651E6AE6BADB3F192A1EAEC9AF72EFA35CF8F181
3956WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:9EFC7D9F08582EE73E789BC68B6D7879
SHA256:8E9379D141217F5345DCEC93121FB2DB6A14F1FD93A1D4269D97A60BED52B254
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
5
DNS requests
2
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2572
EQNEDT32.EXE
GET
404
185.36.74.48:80
http://seed-bc.com/juop4/plwr/mklo/rbn/jan2.exe
unknown
html
315 b
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2572
EQNEDT32.EXE
185.36.74.48:80
seed-bc.com
Fastweb
IT
unknown

DNS requests

Domain
IP
Reputation
seed-bc.com
  • 185.36.74.48
malicious

Threats

PID
Process
Class
Message
2572
EQNEDT32.EXE
Potentially Bad Traffic
ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
No debug info
Interactive malware hunting service ANY.RUN
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Reports
factura.doc