File name:

kb8989476

Full analysis: https://app.any.run/tasks/9159e7d3-3f6f-426c-b2ce-8757506867f7
Verdict: Malicious activity
Threats:

A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection.

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Analysis date: August 26, 2019, 02:41:10
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
exploit
cve-2017-11882
loader
Indicators:
MIME: text/rtf
File info: Rich Text Format data, unknown version
MD5:

A0C39CE84DE41626A38B251F4CA516D1

SHA1:

F9F5951B3F23241D6F654B3E1C671DDE0332DBAC

SHA256:

51DFA1D8C62598B0D03F77FAA57887DCDEB0075216C35F5018609FBCB82C8672

SSDEEP:

192:+sJ3tbrN79omaVW6EFR4BBy7UHjJnsO3OVOAow5UnNmF:+sJ3tbrN79ozVzEFKjM6eQAogZ

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: 3280)

    • Downloads executable files from the Internet

      • EQNEDT32.EXE (PID: 3280)

    • Application was dropped or rewritten from another process

      • wine.exe (PID: 3592)

  • SUSPICIOUS

    • Executed via COM

      • EQNEDT32.EXE (PID: 3280)
      • explorer.exe (PID: 2648)

    • Starts CMD.EXE for commands execution

      • EQNEDT32.EXE (PID: 3280)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 3280)

  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2848)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2848)
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: Admin
LastModifiedBy: Admin
CreateDate: 2018:12:02 23:04:00
ModifyDate: 2018:12:02 23:05:00
RevisionNumber: 1
TotalEditTime: 1 minute
Pages: 1
Words: 3
Characters: 21
CharactersWithSpaces: 23
InternalVersionNumber: 49247
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
6
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2648C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -EmbeddingC:\Windows\explorer.exe—svchost.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\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2816cmd /c explorer %userprofile%\wine.exeC:\Windows\system32\cmd.exe—EQNEDT32.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
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
2848"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\kb8989476.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
3280"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
3592"C:\Users\admin\wine.exe" C:\Users\admin\wine.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\wine.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\imm32.dll
3620explorer C:\Users\admin\wine.exeC:\Windows\explorer.exe—cmd.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
825
Read events
468
Write events
351
Delete events
6

Modification events

(PID) Process:(2848) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:;<!
Value:
3B3C2100200B0000010000000000000000000000
(PID) Process:(2848) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2848) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2848) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1327104030
(PID) Process:(2848) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1327104144
(PID) Process:(2848) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1327104145
(PID) Process:(2848) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
200B000096BD95C2B75BD50100000000
(PID) Process:(2848) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:d=!
Value:
643D2100200B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2848) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:delete valueName:d=!
Value:
643D2100200B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2848) 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
1
Unknown types
2

Dropped files

PID
Process
Filename
Type
2848WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR989B.tmp.cvr —
MD5:—
SHA256:—
2848WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$8989476.rtfpgc
MD5:—
SHA256:—
2848WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
3280EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\IMG_5[1].gifimage
MD5:—
SHA256:—
3280EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JGRR2OYX\jjhl[1].txtexecutable
MD5:—
SHA256:—
3280EQNEDT32.EXEC:\Users\admin\wine.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
4
DNS requests
5
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3280
EQNEDT32.EXE
GET
200
156.67.222.128:80
http://office360-pub.16mb.com/1277654-ADDFC-9A343C3A91D/YARDY/8a.html
CY
—
—
malicious
3280
EQNEDT32.EXE
GET
200
156.67.222.128:80
http://office360-pub.16mb.com/1277654-ADDFC-9A343C3A91D/YARDY/IMG_5.gif
CY
image
706 b
malicious
3592
wine.exe
GET
404
46.105.40.12:80
http://account-support.site/supp/bon/rise.jpg
FR
html
334 b
malicious
3280
EQNEDT32.EXE
GET
200
156.67.222.128:80
http://noitfication-office-client.890m.com/fcfdae-9dfc335ca-bd10/NHSORE/jjhl
CY
executable
42.6 Kb
malicious
3592
wine.exe
GET
404
46.105.40.12:80
http://account-support.site/supp/bon/rise.jpg
FR
html
334 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3280
EQNEDT32.EXE
156.67.222.128:80
office360-pub.16mb.com
Hostinger International Limited
CY
malicious
3592
wine.exe
46.105.40.12:80
account-support.site
OVH SAS
FR
malicious

DNS requests

Domain
IP
Reputation
office360-pub.16mb.com
  • 156.67.222.128
malicious
noitfication-office-client.890m.com
  • 156.67.222.128
malicious
account-support.site
  • 46.105.40.12
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
3280
EQNEDT32.EXE
Misc activity
SUSPICIOUS [PTsecurity] Cmd.Powershell.Download HTTP UserAgent (Win7)
3280
EQNEDT32.EXE
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3280
EQNEDT32.EXE
A Network Trojan was detected
ET TROJAN Possible Windows executable sent when remote host claims to send a Text File
3280
EQNEDT32.EXE
A Network Trojan was detected
ET CURRENT_EVENTS Likely Evil EXE download from MSXMLHTTP non-exe extension M2
3280
EQNEDT32.EXE
Misc activity
ET INFO EXE IsDebuggerPresent (Used in Malware Anti-Debugging)
No debug info
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Reports
kb8989476