File name:

VESSEL DELAY LETTER.docx

Full analysis: https://app.any.run/tasks/e59d835b-86a4-4ff3-913a-01d35b01cc3d
Verdict: Malicious activity
Threats:

A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection.

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Analysis date: March 31, 2020, 00:27:50
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
generated-doc
opendir
exploit
cve-2017-11882
loader
Indicators:
MIME: application/vnd.openxmlformats-officedocument.wordprocessingml.document
File info: Microsoft Word 2007+
MD5:

62523AAF31E6D489BDCA6D74D19A1927

SHA1:

313E99E54CA50189908D9B59F27E30EB572E815E

SHA256:

C5C43B340957830F5D7484CE06F9DE0EF593D88F3D48C09CD2150E670661F672

SSDEEP:

192:CtNCWUyn0i13pNXqkOcPiYFLwzvdX6Ptpwjnw+umHBCwgV1:aNxUyn0i13LROEiOLkX6Ujnw+3JgV1

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

    • Suspicious connection from the Equation Editor

      • EQNEDT32.EXE (PID: 2336)

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

      • EQNEDT32.EXE (PID: 2336)

    • Application was dropped or rewritten from another process

      • vbc.exe (PID: 3792)

    • Downloads executable files from the Internet

      • EQNEDT32.EXE (PID: 2336)

  • SUSPICIOUS

    • Reads Internet Cache Settings

      • EQNEDT32.EXE (PID: 2336)

    • Unusual connect from Microsoft Office

      • WINWORD.EXE (PID: 1520)

    • Executed via COM

      • EQNEDT32.EXE (PID: 2336)

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2336)

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 2336)

  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 1520)

    • Reads Internet Cache Settings

      • WINWORD.EXE (PID: 1520)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 1520)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.docx | Word Microsoft Office Open XML Format document (52.2)
.zip | Open Packaging Conventions container (38.8)
.zip | ZIP compressed archive (8.8)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: 0x0006
ZipCompression: Deflated
ZipModifyDate: 1980:01:01 00:00:00
ZipCRC: 0x6cd2a4df
ZipCompressedSize: 346
ZipUncompressedSize: 1312
ZipFileName: [Content_Types].xml

XML

Template: Normal.dotm
TotalEditTime: -
Pages: 1
Words: -
Characters: 5
Application: Microsoft Office Word
DocSecurity: None
Lines: 1
Paragraphs: 1
ScaleCrop: No
Company: -
LinksUpToDate: No
CharactersWithSpaces: 5
SharedDoc: No
HyperlinksChanged: No
AppVersion: 15
Keywords: -
LastModifiedBy: HP 15
RevisionNumber: 3
CreateDate: 2018:03:07 09:39:00Z
ModifyDate: 2018:03:07 09:39:00Z

XMP

Title: -
Subject: -
Creator: HP 15
Description: -
No data.
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All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
3
Malicious processes
2
Suspicious processes
1

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
1520"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\VESSEL DELAY LETTER.docx"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
2336"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\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3792"C:\Users\admin\AppData\Roaming\vbc.exe" C:\Users\admin\AppData\Roaming\vbc.exe—EQNEDT32.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
1
Modules
Images
c:\users\admin\appdata\roaming\vbc.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
Total events
2 468
Read events
1 354
Write events
934
Delete events
180

Modification events

(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:w&0
Value:
77263000F0050000010000000000000000000000
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(1520) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
Executable files
2
Suspicious files
24
Text files
7
Unknown types
2

Dropped files

PID
Process
Filename
Type
1520WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR6AF7.tmp.cvr —
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Temp\{4730776E-2E1F-4E59-A726-B1F10680D627} —
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Temp\{98F677A6-3FD9-4E8C-A551-9213DFFA38E8} —
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSDbinary
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSF-CTBL.FSFbinary
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{A84D1BA7-B4DC-409E-ACC1-F6ED3A20D849}.FSDbinary
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\invoice_11154[1].doctext
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{7D502DCF-9283-4917-9C86-CFCEBB31E6DC}.FSDbinary
MD5:—
SHA256:—
1520WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\17895606.doctext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
5
DNS requests
5
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1520
WINWORD.EXE
OPTIONS
200
103.140.250.215:80
http://kungfrdyeducationalinvestment8agender.duckdns.org/office/
unknown
—
—
malicious
1520
WINWORD.EXE
HEAD
200
103.140.250.215:80
http://kungfrdyeducationalinvestment8agender.duckdns.org/office/invoice_11154.doc
unknown
—
—
malicious
1520
WINWORD.EXE
GET
200
103.140.250.215:80
http://kungfrdyeducationalinvestment8agender.duckdns.org/office/invoice_11154.doc
unknown
text
351 Kb
malicious
2336
EQNEDT32.EXE
GET
200
103.140.250.215:80
http://kungfrdyeducationalinvestment8agender.duckdns.org/kungdoc/winlog.exe
unknown
executable
1.55 Mb
malicious
1520
WINWORD.EXE
HEAD
200
103.140.250.215:80
http://kungfrdyeducationalinvestment8agender.duckdns.org/office/invoice_11154.doc
unknown
text
351 Kb
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1520
WINWORD.EXE
103.140.250.215:80
kungfrdyeducationalinvestment8agender.duckdns.org
—
—
malicious
824
svchost.exe
103.140.250.215:80
kungfrdyeducationalinvestment8agender.duckdns.org
—
—
malicious
2336
EQNEDT32.EXE
103.140.250.215:80
kungfrdyeducationalinvestment8agender.duckdns.org
—
—
malicious

DNS requests

Domain
IP
Reputation
kungfrdyeducationalinvestment8agender.duckdns.org
  • 103.140.250.215
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
1052
svchost.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2336
EQNEDT32.EXE
A Network Trojan was detected
ET CURRENT_EVENTS SUSPICIOUS winlog.exe in URI Probable Process Dump/Trojan Download
2336
EQNEDT32.EXE
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
No debug info
Interactive malware hunting service ANY.RUN
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Reports
VESSEL DELAY LETTER.docx