download:

klu.doc

Full analysis: https://app.any.run/tasks/637fc2ab-8fbf-49a8-b5a9-7f00765a4782
Verdict: Malicious activity
Analysis date: June 18, 2019, 18:46:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
exploit
cve-2017-11882
Indicators:
MIME: text/rtf
File info: Rich Text Format data, version 1, unknown character set
MD5:

31FA978DC1D4903CD86280858A6987E1

SHA1:

9100EB5D3DF8058B8BDEDFC1270BB65CAE3A3DC1

SHA256:

4E9BC336BE1115BB9CCAF35C583715D57DBABE0B8F39F7B8FA825C63E9663F5D

SSDEEP:

96:sBSv++TnufxQfvMEJbzUfSPQaq1HG4siteLm5esK4KO:cS+yupivMEJXUSQP1am5XK4KO

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

      • klu.exe (PID: 2496)
      • klu.exe (PID: 3496)
      • klu.exe (PID: 3960)
      • klu.exe (PID: 3556)
      • klu.exe (PID: 1040)
      • klu.exe (PID: 2532)
      • klu.exe (PID: 3376)
      • klu.exe (PID: 2060)
      • klu.exe (PID: 2864)
      • klu.exe (PID: 872)
      • klu.exe (PID: 3464)

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

      • EQNEDT32.EXE (PID: 3480)

  • SUSPICIOUS

    • Executed via COM

      • EQNEDT32.EXE (PID: 3480)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 3480)

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 3480)

    • Application launched itself

      • klu.exe (PID: 3496)

  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2320)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2320)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
13
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
872"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
1040"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
2060"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
2320"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\klu.doc"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
2496"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
2532"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
2864"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
3376"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
3464"C:\Users\admin\AppData\Roaming\klu.exe"C:\Users\admin\AppData\Roaming\klu.exe—klu.exe
User:
admin
Company:
outhitting
Integrity Level:
MEDIUM
Description:
slimed
Exit code:
0
Version:
2.2.1.4
Modules
Images
c:\users\admin\appdata\roaming\klu.exe
c:\systemroot\system32\ntdll.dll
3480"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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\advapi32.dll
Total events
1 123
Read events
764
Write events
354
Delete events
5

Modification events

(PID) Process:(2320) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:6<5
Value:
363C350010090000010000000000000000000000
(PID) Process:(2320) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2320) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2320) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1322385438
(PID) Process:(2320) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1322385552
(PID) Process:(2320) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1322385553
(PID) Process:(2320) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
10090000AC0A7A350626D50100000000
(PID) Process:(2320) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:n=5
Value:
6E3D35001009000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2320) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:delete valueName:n=5
Value:
6E3D35001009000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2320) 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
2320WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR4096.tmp.cvr —
MD5:—
SHA256:—
3480EQNEDT32.EXEC:\Users\admin\AppData\Roaming\klu.exeexecutable
MD5:—
SHA256:—
2320WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
2320WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$klu.docpgc
MD5:—
SHA256:—
3480EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\klu[1].exeexecutable
MD5:—
SHA256:—
3480EQNEDT32.EXEC:\Users\admin\AppData\Roaming\Microsoft\Windows\IETldCache\index.datdat
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862
SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A
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
3480
EQNEDT32.EXE
150.95.52.111:443
blogmason.mixh.jp
GMO Internet,Inc
JP
unknown

DNS requests

Domain
IP
Reputation
blogmason.mixh.jp
  • 150.95.52.111
unknown

Threats

No threats detected
Process
Message
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
klu.exe
User32.dll
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Reports
klu.doc