Malware analysis 734ca7fc580369ce5e49c813eb5a0749dc41c4c078cfb67336bf85b711b88d1c.docm Malicious activity

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File name:	734ca7fc580369ce5e49c813eb5a0749dc41c4c078cfb67336bf85b711b88d1c.docm
Full analysis:	https://app.any.run/tasks/a565d580-a2d1-4ad7-a118-d0d841afeab0
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, 06:48:24
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	macros macros-on-open generated-doc cobaltstrike
Indicators:
MIME:	application/vnd.openxmlformats-officedocument.wordprocessingml.document
File info:	Microsoft Word 2007+
MD5:	53D6D2F4AF5AC4CB874624D27E187E45
SHA1:	CDD2DF2857B90975D9F1EB07AAB1068E74BABC09
SHA256:	734CA7FC580369CE5E49C813EB5A0749DC41C4C078CFB67336BF85B711B88D1C
SSDEEP:	1536:qsj+INWdywpnxrPfZfBffCjBEeWpP12hd1b47raCPOIq3RlbEhmYY+8T4:vNWdyArPL6j2eWptWdF8aUOIoZE4lD4

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.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 8.0.7601.17514 undefined
Adobe Acrobat Reader DC MUI (15.023.20070)
Adobe Flash Player 26 ActiveX (26.0.0.131)
Adobe Flash Player 26 NPAPI (26.0.0.131)
Adobe Flash Player 26 PPAPI (26.0.0.131)
Adobe Refresh Manager (1.8.0)
CCleaner (5.35)
FileZilla Client 3.36.0 (3.36.0)
Google Chrome (73.0.3683.75)
Google Update Helper (1.3.33.23)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.6.1 (4.6.01055)
Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Professional 2010 (14.0.6029.1000)
Microsoft Office Proof (English) 2010 (14.0.6029.1000)
Microsoft Office Proof (French) 2010 (14.0.6029.1000)
Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Single Image 2010 (14.0.6029.1000)
Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2017 Redistributable (x86) - 14.15.26706 (14.15.26706.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.15.26706 (14.15.26706)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.15.26706 (14.15.26706)
Mozilla Firefox 65.0.2 (x86 en-US) (65.0.2)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
VLC media player (2.2.6)
WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

Client LanguagePack Package
Client Refresh LanguagePack Package
CodecPack Basic Package
Foundation Package
IE Troubleshooters Package
InternetExplorer Optional Package
KB2534111
KB2999226
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Unusual execution from Microsoft Office
  - WINWORD.EXE (PID: 916)
- COBALTSTRIKE was detected
  - rundll32.exe (PID: 1748)
SUSPICIOUS
- Uses RUNDLL32.EXE to load library
  - WINWORD.EXE (PID: 916)
- Connects to server without host name
  - rundll32.exe (PID: 1748)
INFO
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 916)
- Creates files in the user directory
  - WINWORD.EXE (PID: 916)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.docm	\|	Word Microsoft Office Open XML Format document (with Macro) (53.6)
.docx	\|	Word Microsoft Office Open XML Format document (24.2)
.zip	\|	Open Packaging Conventions container (18)
.zip	\|	ZIP compressed archive (4.1)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0006
ZipCompression:	Deflated
ZipModifyDate:	1980:01:01 00:00:00
ZipCRC:	0x22697d06
ZipCompressedSize:	521
ZipUncompressedSize:	2322
ZipFileName:	[Content_Types].xml

XML

Template:	Normal
TotalEditTime:	-
Pages:	1
Words:	79
Characters:	452
Application:	Microsoft Office Word
DocSecurity:	None
Lines:	3
Paragraphs:	1
ScaleCrop:	No
Company:	-
LinksUpToDate:	No
CharactersWithSpaces:	530
SharedDoc:	No
HyperlinksChanged:	No
AppVersion:	14
LastModifiedBy:	bofh
RevisionNumber:	2
LastPrinted:	2016:04:19 10:07:00Z
CreateDate:	2019:04:23 13:33:00Z
ModifyDate:	2019:04:23 13:33:00Z

XMP

Creator:	Pieter Ceelen

No data.

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All screenshots are available in the full report

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Total processes

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID	CMD	Path	Indicators	Parent process
916	"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\734ca7fc580369ce5e49c813eb5a0749dc41c4c078cfb67336bf85b711b88d1c.docm"	C:\Program Files\Microsoft Office\Office14\WINWORD.EXE	—	explorer.exe
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Version: 14.0.6024.1000
1748	C:\Windows\\System32\\rundll32.exe	C:\Windows\System32\rundll32.exe		WINWORD.EXE
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 6.1.7600.16385 (win7_rtm.090713-1255)

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Total events

1 080

Read events

729

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
916	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVR2ECD.tmp.cvr		—
		MD5:—	SHA256:—
916	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\mso3130.tmp		—
		MD5:—	SHA256:—
916	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:9AA328F831C50DD9BBEFE2D9BC2194AD	SHA256:965B6A8A909D7CFA9EB1790958BDCACB88B5258F8EB535D32891D882224E44E2
916	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~$4ca7fc580369ce5e49c813eb5a0749dc41c4c078cfb67336bf85b711b88d1c.docm		pgc
		MD5:4E9A169380046FAE9F75F2AF69FC05F4	SHA256:6E56F36EF46200047877BDD88CB7AC2354A656895F7E13C3F5EC8AA56A9EEBE3

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	48 b	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	48 b	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	48 b	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	207 Kb	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/baCV	US	binary	207 Kb	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	48 b	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	48 b	malicious
1748	rundll32.exe	POST	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON/submit.php?id=79484	US	binary	48 b	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/TRAINING-BEACON	US	binary	48 b	malicious
1748	rundll32.exe	GET	200	104.248.248.47:80	http://104.248.248.47/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
1748	rundll32.exe	104.248.248.47:80	—	—	US	malicious

DNS requests

No data

Threats

PID	Process	Class	Message
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike send output by POST binary
1748	rundll32.exe	Potentially Bad Traffic	ET INFO GENERIC SUSPICIOUS POST to Dotted Quad with Fake Browser 1
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1748	rundll32.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed

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No debug info

General Info

734ca7fc580369ce5e49c813eb5a0749dc41c4c078cfb67336bf85b711b88d1c.docm

53D6D2F4AF5AC4CB874624D27E187E45

CDD2DF2857B90975D9F1EB07AAB1068E74BABC09

734CA7FC580369CE5E49C813EB5A0749DC41C4C078CFB67336BF85B711B88D1C

1536:qsj+INWdywpnxrPfZfBffCjBEeWpP12hd1b47raCPOIq3RlbEhmYY+8T4:vNWdyArPL6j2eWptWdF8aUOIoZE4lD4

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Unusual execution from Microsoft Office

COBALTSTRIKE was detected

SUSPICIOUS

Uses RUNDLL32.EXE to load library

Connects to server without host name

INFO

Reads Microsoft Office registry keys

Creates files in the user directory

Malware configuration

Static information

TRiD

EXIF

ZIP

XML

XMP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings