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File name:

PO.doc

Full analysis: https://app.any.run/tasks/e817288f-ff2a-4e9b-841d-c3cf28a9ed60
Verdict: Malicious activity
Threats:

FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus.

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Analysis date: May 15, 2019, 05:25:15
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
exploit
CVE-2017-11882
loader
trojan
formbook
Indicators:
MIME: text/rtf
File info: Rich Text Format data, unknown version
MD5:

ABE6ACE7BF6B6F7A0570782A5F647734

SHA1:

35F159C46F759DC31A4B9AE9EDC53B5B058F3399

SHA256:

533C90C649422E49F4CB9A5A7FBB44D8DBBEBA78BB4C9E62AC83529701EF5ADD

SSDEEP:

96:3Ne89+Ex0aJ4P/5SW8C/emPCQG2SN4/WtR:9I1aJ4PBSW8+ZCjRN4/6R

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: 2796)

    • Connects to CnC server

      • explorer.exe (PID: 2044)

    • Application was dropped or rewritten from another process

      • jew.exe (PID: 296)
      • jew.exe (PID: 3524)

    • Downloads executable files from the Internet

      • EQNEDT32.EXE (PID: 2796)

    • FORMBOOK was detected

      • explorer.exe (PID: 2044)

  • SUSPICIOUS

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2796)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 2796)

    • Application launched itself

      • jew.exe (PID: 3524)

    • Starts CMD.EXE for commands execution

      • colorcpl.exe (PID: 3420)

  • INFO

    • Starts Microsoft Office Application

      • explorer.exe (PID: 2044)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2256)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2256)
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.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
7
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 jew.exe no specs jew.exe no specs colorcpl.exe no specs cmd.exe no specs #FORMBOOK explorer.exe

Process information

PID
CMD
Path
Indicators
Parent process
2256"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\PO.doc"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
2796"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
3524"C:\Users\admin\AppData\Roaming\jew.exe"C:\Users\admin\AppData\Roaming\jew.exe—EQNEDT32.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
296"C:\Users\admin\AppData\Roaming\jew.exe"C:\Users\admin\AppData\Roaming\jew.exe—jew.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3420"C:\Windows\System32\colorcpl.exe"C:\Windows\System32\colorcpl.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Color Control Panel
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3816/c del "C:\Users\admin\AppData\Roaming\jew.exe"C:\Windows\System32\cmd.exe—colorcpl.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2044C:\Windows\Explorer.EXEC:\Windows\explorer.exe
—
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 092
Read events
742
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
0
Text files
0
Unknown types
2

Dropped files

PID
Process
Filename
Type
2256WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR3F00.tmp.cvr —
MD5:—
SHA256:—
2256WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:8CF4B99D86AD2C91E25F7D921404AF08
SHA256:C71FCB563A60568ED4A3CC029F6FC631E9786D0AACFDB401A8DB9FE46803F35F
2256WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$PO.docpgc
MD5:38B5D4BFA6BC2B84E5718F9F56EF105C
SHA256:024E566CBE48FEAFC7E07C18E22BECD1D7EC8340A453935DC36EFD56D3990C0D
2796EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\dj[1].exeexecutable
MD5:E45EF777532A5D0A6476B3E0A116F873
SHA256:CE377D2B727C2747294B27B5D53B0FC1522AB67488A5FCC156789C8AC1C8CE05
2796EQNEDT32.EXEC:\Users\admin\AppData\Roaming\jew.exeexecutable
MD5:E45EF777532A5D0A6476B3E0A116F873
SHA256:CE377D2B727C2747294B27B5D53B0FC1522AB67488A5FCC156789C8AC1C8CE05
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2044
explorer.exe
GET
—
75.98.175.108:80
http://www.worcesterculturalcoalition.com/li/?Ib8H=ubjWjPTPCh5hUdXWmlTS6DlvHyYLokkuQ7y7TgJBcZggeikADeMh6WNvmx+Vlik5iqjbaQ==&vZ=5jTptXw0VZcluLb0
US
—
—
suspicious
2796
EQNEDT32.EXE
GET
200
174.141.228.13:80
http://light.naturamunch.com/dj.exe
US
executable
773 Kb
suspicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2796
EQNEDT32.EXE
174.141.228.13:80
light.naturamunch.com
iWeb Technologies Inc.
US
suspicious
2044
explorer.exe
75.98.175.108:80
www.worcesterculturalcoalition.com
A2 Hosting, Inc.
US
suspicious

DNS requests

Domain
IP
Reputation
light.naturamunch.com
  • 174.141.228.13
suspicious
www.worcesterculturalcoalition.com
  • 75.98.175.108
unknown

Threats

PID
Process
Class
Message
2796
EQNEDT32.EXE
Potentially Bad Traffic
ET CURRENT_EVENTS Terse alphanumeric executable downloader high likelihood of being hostile
2796
EQNEDT32.EXE
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
1 ETPRO signatures available at the full report
No debug info
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PO.doc