File name:

c58-js-backdoor

Full analysis: https://app.any.run/tasks/bf66cbb6-a1cf-4afc-8854-334def7a033c
Verdict: Malicious activity
Analysis date: February 19, 2024, 12:53:28
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
macros
ole-embedded
macros-on-open
macros-on-close
Indicators:
MIME: application/msword
File info: Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: user, Template: Normal.dotm, Last Saved By: John, Revision Number: 11, Name of Creating Application: Microsoft Office Word, Total Editing Time: 08:00, Create Time/Date: Fri Nov 25 19:04:00 2016, Last Saved Time/Date: Fri Nov 25 20:04:00 2016, Number of Pages: 1, Number of Words: 320, Number of Characters: 1828, Security: 0
MD5:

49B367AC261A722A7C2BBBC328C32545

SHA1:

5BD2E2B8DDC65931704C8C3EA57ADC2BB778F66A

SHA256:

FF2C8CADAA0FD8DA6138CCE6FCE37E001F53A5D9CECCD67945B15AE273F4D751

SSDEEP:

6144:1iuv7iu2oErXZ+e7m5OPoeKAUXso/UUsAJtfiZA:1N7iu2oaXYOrWjdfi6

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

    • Unusual execution from MS Office

      • WINWORD.EXE (PID: 3672)

    • Checks whether a specified folder exists (SCRIPT)

      • WINWORD.EXE (PID: 3672)
      • wscript.exe (PID: 2044)

    • Copies file to a new location (SCRIPT)

      • wscript.exe (PID: 2044)

  • SUSPICIOUS

    • Creates FileSystem object to access computer's file system (SCRIPT)

      • WINWORD.EXE (PID: 3672)
      • wscript.exe (PID: 2044)

    • The process executes JS scripts

      • WINWORD.EXE (PID: 3672)

    • Accesses command line arguments (SCRIPT)

      • wscript.exe (PID: 2044)

    • Runs shell command (SCRIPT)

      • WINWORD.EXE (PID: 3672)

    • Gets name of the script (SCRIPT)

      • wscript.exe (PID: 2044)

    • Accesses current user name via WMI (SCRIPT)

      • wscript.exe (PID: 2044)

    • Gets full path of the running script (SCRIPT)

      • wscript.exe (PID: 2044)

  • INFO

    No info indicators.
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 (54.2)
.doc | Microsoft Word document (old ver.) (32.2)

EXIF

FlashPix

Identification: Word 8.0
LanguageCode: English (US)
DocFlags: Has picture, 1Table, ExtChar
System: Windows
Word97: No
Title: -
Subject: -
Author: user
Keywords: -
Template: Normal.dotm
LastModifiedBy: John
Software: Microsoft Office Word
CreateDate: 2016:11:25 19:04:00
ModifyDate: 2016:11:25 20:04:00
Security: None
CodePage: Windows Latin 1 (Western European)
Company: Olymp
CharCountWithSpaces: 2144
AppVersion: 14
ScaleCrop: No
LinksUpToDate: No
SharedDoc: No
HyperlinksChanged: No
TitleOfParts: -
HeadingPairs:
  • Title
  • 1
CompObjUserTypeLen: 32
CompObjUserType: Microsoft Word 97-2003 Document
LastPrinted: 0000:00:00 00:00:00
RevisionNumber: 11
TotalEditTime: 8 minutes
Words: 320
Characters: 1828
Pages: 1
Paragraphs: 4
Lines: 15
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winword.exe no specs wscript.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2044"C:\Windows\System32\WScript.exe" "C:\Users\admin\AppData\Roaming\Microsoft\Windows\maintools.js" EzZETcSXyKAdF_e5I2i1C:\Windows\System32\wscript.exe—WINWORD.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft ® Windows Based Script Host
Exit code:
0
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\wscript.exe
c:\windows\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\system32\user32.dll
c:\windows\system32\gdi32.dll
3672"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\c58-js-backdoor.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:\windows\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_5.82.7601.18837_none_ec86b8d6858ec0bc\comctl32.dll
Total events
7 870
Read events
7 077
Write events
554
Delete events
239

Modification events

(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:=*'
Value:
3D2A2700580E0000010000000000000000000000
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(3672) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
Executable files
0
Suspicious files
5
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
3672WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRF29D.tmp.cvr —
MD5:—
SHA256:—
3672WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmbinary
MD5:280D2B65A6285DCE35099F1721B7999D
SHA256:9C481BFD497634B56792F1F82F7323677D76F0ECD94EC28D527714D4DEF38B52
2044wscript.exeC:\Users\admin\AppData\Local\Microsoft\Windows\maintools.jstext
MD5:5EA3FD094B69E9E00894842F95FD5D85
SHA256:3A065547ADB0AFC63E318C2FA1F682108664E602934490A898C3DE1B23975628
3672WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$8-js-backdoor.docbinary
MD5:004ED53861BB27EDBB8AD6C669A5A8D9
SHA256:089D2D2C220FAA37A421C28DBC7D712BEB34F70B6C7F033D9634CC1C19CC66D2
3672WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\92877F80.emfemf
MD5:FDBBE99A5DD164B403945E6A98434CC1
SHA256:D416447FB0A6AA8F66CB9C943B7FFDA365CE56D2AD8AC12AC0154EF8A52D1CA0
3672WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Windows\maintools.jstext
MD5:5EA3FD094B69E9E00894842F95FD5D85
SHA256:3A065547ADB0AFC63E318C2FA1F682108664E602934490A898C3DE1B23975628
3672WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\E738C4BB.emfbinary
MD5:EB10732AA3F3BB122DC9452917A62FA1
SHA256:750987BD6026CC8C515D0B6D65FFBE5BCBF7824EE56E82128D220EEF86390874
3672WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\E12E7981.emfemf
MD5:FDBBE99A5DD164B403945E6A98434CC1
SHA256:D416447FB0A6AA8F66CB9C943B7FFDA365CE56D2AD8AC12AC0154EF8A52D1CA0
3672WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lextext
MD5:F3B25701FE362EC84616A93A45CE9998
SHA256:B3D510EF04275CA8E698E5B3CBB0ECE3949EF9252F0CDC839E9EE347409A2209
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
0
Threats
0

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
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
c58-js-backdoor