download:

Important_Changes_to_Form10_K.doc

Full analysis: https://app.any.run/tasks/1756b385-9b2e-4c4e-a842-7906a1391bf4
Verdict: Malicious activity
Threats:

Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks.

Malware Trends Tracker     >>>
Analysis date: April 25, 2019, 04:32:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
macros
macros-on-open
cobaltstrike
Indicators:
MIME: application/msword
File info: Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: Pieter Ceelen, Template: Normal.dotm, Last Saved By: Anon Bluehat, Revision Number: 4, Name of Creating Application: Microsoft Office Word, Total Editing Time: 04:00, Last Printed: Tue Apr 19 11:07:00 2016, Create Time/Date: Wed Apr 24 09:27:00 2019, Last Saved Time/Date: Wed Apr 24 09:34:00 2019, Number of Pages: 1, Number of Words: 79, Number of Characters: 452, Security: 0
MD5:

8E97FB9AE61276078D02A0F96796B53E

SHA1:

1EF4F6D7A8BF28E855458F55CCBAA322152FFFFD

SHA256:

AEF703B3C0222FAE2AFDBDF558CFEF1AA327C06608D4C583A9C1A6DCAA169C47

SSDEEP:

1536:8AFNU2ieWA0KTSclQdhJ7SzvYSD538zR+pek0cSWpXjybt4KK:8AFseWDclQdhYzvDz89K

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

    • COBALTSTRIKE was detected

      • rundll32.exe (PID: 2080)

    • Unusual execution from Microsoft Office

      • WINWORD.EXE (PID: 3864)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • WINWORD.EXE (PID: 3864)

    • Connects to server without host name

      • rundll32.exe (PID: 2080)

  • INFO

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 3864)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 3864)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.doc | Microsoft Word document (35.9)
.xls | Microsoft Excel sheet (33.7)
.doc | Microsoft Word document (old ver.) (21.3)

EXIF

FlashPix

Title: -
Subject: -
Author: Pieter Ceelen
Keywords: -
Template: Normal.dotm
LastModifiedBy: Anon Bluehat
RevisionNumber: 4
Software: Microsoft Office Word
TotalEditTime: 4.0 minutes
LastPrinted: 2016:04:19 10:07:00
CreateDate: 2019:04:24 08:27:00
ModifyDate: 2019:04:24 08:34:00
Pages: 1
Words: 79
Characters: 452
Security: None
CodePage: Windows Latin 1 (Western European)
Company: -
Lines: 3
Paragraphs: 1
CharCountWithSpaces: 530
AppVersion: 14
ScaleCrop: No
LinksUpToDate: No
SharedDoc: No
HyperlinksChanged: No
TitleOfParts: -
HeadingPairs:
  • Title
  • 1
CompObjUserTypeLen: 32
CompObjUserType: Microsoft Word 97-2003 Document
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winword.exe no specs #COBALTSTRIKE rundll32.exe

Process information

PID
CMD
Path
Indicators
Parent process
2080C:\Windows\\System32\\rundll32.exeC:\Windows\System32\rundll32.exe
WINWORD.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.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\imagehlp.dll
3864"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\Important_Changes_to_Form10_K.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
Total events
1 112
Read events
759
Write events
348
Delete events
5

Modification events

(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:za
Value:
7A612000180F0000010000000000000000000000
(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(3864) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1318649886
(PID) Process:(3864) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1318650000
(PID) Process:(3864) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1318650001
(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
180F000028D545F31FFBD40100000000
(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:#c
Value:
23632000180F000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:delete valueName:#c
Value:
23632000180F000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(3864) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
0
Suspicious files
1
Text files
0
Unknown types
2

Dropped files

PID
Process
Filename
Type
3864WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR31FA.tmp.cvr —
MD5:—
SHA256:—
3864WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\MSO2057.aclbinary
MD5:—
SHA256:—
3864WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
3864WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$portant_Changes_to_Form10_K.docpgc
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
64
TCP/UDP connections
1
DNS requests
0
Threats
65

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/aU1u
US
binary
207 Kb
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
207 Kb
malicious
2080
rundll32.exe
POST
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON/submit.php?id=23330
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 b
malicious
2080
rundll32.exe
GET
200
165.22.71.42:80
http://165.22.71.42/TRAINING-BEACON
US
binary
48 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
2080
rundll32.exe
165.22.71.42:80
—
—
US
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Backdoor.Cobalt
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike send output by POST binary
2080
rundll32.exe
Potentially Bad Traffic
ET INFO GENERIC SUSPICIOUS POST to Dotted Quad with Fake Browser 1
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
2080
rundll32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
No debug info
Interactive malware hunting service ANY.RUN
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Reports
Important_Changes_to_Form10_K.doc