File name:

ec21432052298640b54673391e93df26375776f511d9ca1efcf93fa939c2ff48.doc

Full analysis: https://app.any.run/tasks/e784ebae-444f-480b-b865-8a1683ae8249
Verdict: Malicious activity
Threats:

njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world.

Malware Trends Tracker     >>>
Analysis date: July 17, 2019, 18:41:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
generated-doc
exploit
cve-2017-11882
trojan
rat
njrat
bladabindi
Indicators:
MIME: text/rtf
File info: Rich Text Format data, version 1, unknown character set
MD5:

B8E1A1EFB94A995E7447D51541F08DE9

SHA1:

2440429F66F1260F18E35DE3B7F749B746858CD1

SHA256:

EC21432052298640B54673391E93DF26375776F511D9CA1EFCF93FA939C2FF48

SSDEEP:

768:OvyXCdJWz7zpgegbFz8Lob2GR/yapptJdRH4v:cm7gJz/BrH74v

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: 3852)

    • Application was dropped or rewritten from another process

      • 4158849.exe (PID: 3396)

    • NJRAT was detected

      • RegAsm.exe (PID: 3708)

    • Writes to a start menu file

      • 4158849.exe (PID: 3396)

    • Connects to CnC server

      • RegAsm.exe (PID: 3708)

  • SUSPICIOUS

    • Executed via COM

      • EQNEDT32.EXE (PID: 3852)

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2612)
      • 4158849.exe (PID: 3396)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 2612)
      • 4158849.exe (PID: 3396)

    • Application launched itself

      • EQNEDT32.EXE (PID: 3852)

  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2944)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2944)
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

Title: Not
Author: C
LastModifiedBy: Windows User
CreateDate: 2019:06:20 00:52:00
ModifyDate: 2019:06:20 00:52:00
RevisionNumber: 2
TotalEditTime: 1 minute
Pages: 1
Words: -
Characters: 4
CharactersWithSpaces: 4
InternalVersionNumber: 24689
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
9
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start winword.exe no specs eqnedt32.exe no specs eqnedt32.exe 4158849.exe regasm.exe no specs regasm.exe no specs #NJRAT regasm.exe regasm.exe no specs regasm.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2124C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe—4158849.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
2520C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe—4158849.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
2612"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
EQNEDT32.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\shell32.dll
2944"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\ec21432052298640b54673391e93df26375776f511d9ca1efcf93fa939c2ff48.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
3336C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe—4158849.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3396C:\Users\admin\AppData\Roaming\4158849.exeC:\Users\admin\AppData\Roaming\4158849.exe
EQNEDT32.EXE
User:
admin
Company:
VersaVPN L.L.C
Integrity Level:
MEDIUM
Description:
VersaVPN
Exit code:
0
Version:
1.0.0.5
Modules
Images
c:\users\admin\appdata\roaming\4158849.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3488C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe—4158849.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3708C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
4158849.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3852"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\usp10.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
Total events
1 322
Read events
928
Write events
384
Delete events
10

Modification events

(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:'m<
Value:
276D3C00800B0000010000000000000000000000
(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2944) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1324417054
(PID) Process:(2944) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1324417168
(PID) Process:(2944) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1324417169
(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
800B00000EC73E4FCF3CD50100000000
(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:1n<
Value:
316E3C00800B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:delete valueName:1n<
Value:
316E3C00800B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2944) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
4
Suspicious files
2
Text files
1
Unknown types
3

Dropped files

PID
Process
Filename
Type
2944WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRE977.tmp.cvr —
MD5:—
SHA256:—
2944WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{A9555F70-A737-4699-96C4-F9C819A4324D}.tmp —
MD5:—
SHA256:—
2944WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{F1CB8259-7853-4944-9AC2-991AE8023019}.tmp —
MD5:—
SHA256:—
2944WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
2944WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$21432052298640b54673391e93df26375776f511d9ca1efcf93fa939c2ff48.docpgc
MD5:—
SHA256:—
2944WINWORD.EXEC:\Users\admin\AppData\Local\Temp\wd32PrvSE.wmfbinary
MD5:—
SHA256:—
2612EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JGRR2OYX\3[1].exeexecutable
MD5:—
SHA256:—
2612EQNEDT32.EXEC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@put[1].txttext
MD5:—
SHA256:—
2612EQNEDT32.EXEC:\Users\admin\AppData\Roaming\4158849.exeexecutable
MD5:—
SHA256:—
2612EQNEDT32.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
3
DNS requests
2
Threats
8

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
2612
EQNEDT32.EXE
104.27.142.252:443
m.put.re
Cloudflare Inc
US
shared
3708
RegAsm.exe
104.20.209.21:443
pastebin.com
Cloudflare Inc
US
shared
3708
RegAsm.exe
185.247.228.236:7707
—
—
—
malicious

DNS requests

Domain
IP
Reputation
m.put.re
  • 104.27.142.252
  • 104.27.143.252
suspicious
pastebin.com
  • 104.20.209.21
  • 104.20.208.21
malicious

Threats

PID
Process
Class
Message
3708
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Lime-RAT (Gen.NjRAT)
3708
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT)
6 ETPRO signatures available at the full report
No debug info
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Reports
ec21432052298640b54673391e93df26375776f511d9ca1efcf93fa939c2ff48.doc