Malware analysis 国际关系学院安全研究中心年会邀请函.zip Malicious activity

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File name:	国际关系学院安全研究中心年会邀请函.zip
Full analysis:	https://app.any.run/tasks/b03d89bf-175a-4b4e-a9b7-3519ab87daec
Verdict:	Malicious activity
Analysis date:	December 11, 2024, 03:11:08
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	grimresources api-base64
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:	529B207EE067CA0B369D1120CAB04E19
SHA1:	8B248E7BC2275FAFA299F92989A4A178D9A945D7
SHA256:	CC7F5FF0CD0E5E8BBA2FFEF5928D143006DABED0E17054F4DB8F577B7989A898
SSDEEP:	49152:fxyIrM5zH+zHlXiyCFidRFCyvD8wXGm1DV64XUbUPsd9/wBbixlKcTbPVbj4tkTM:fxyP5D+zHlitFQRMO1XGUo4XUbUSuBb1

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:: 240 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 180 seconds
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- Creates a new folder (SCRIPT)
  - mmc.exe (PID: 7064)
- Detects the decoding of a binary file from Base64 (SCRIPT)
  - mmc.exe (PID: 7064)
- GRIMRESOURCES has been detected (YARA)
  - mmc.exe (PID: 7064)
- Uses base64 encoding (SCRIPT)
  - mmc.exe (PID: 7064)
SUSPICIOUS
- Reads Microsoft Outlook installation path
  - mmc.exe (PID: 7064)
- Reads Internet Explorer settings
  - mmc.exe (PID: 7064)
- Creates FileSystem object to access computer's file system (SCRIPT)
  - mmc.exe (PID: 7064)
- Creates a Stream, which may work with files, input/output devices, pipes, or TCP/IP sockets (SCRIPT)
  - mmc.exe (PID: 7064)
- Writes binary data to a Stream object (SCRIPT)
  - mmc.exe (PID: 7064)
- Runs shell command (SCRIPT)
  - mmc.exe (PID: 7064)
- Sets XML DOM element text (SCRIPT)
  - mmc.exe (PID: 7064)
- Saves data to a binary file (SCRIPT)
  - mmc.exe (PID: 7064)
- Reads security settings of Internet Explorer
  - XunJie.exe (PID: 6032)
- Executable content was dropped or overwritten
  - mmc.exe (PID: 7064)
- Checks Windows Trust Settings
  - XunJie.exe (PID: 6032)
INFO
- Manual execution by a user
  - mmc.exe (PID: 6996)
  - mmc.exe (PID: 7064)
- Reads security settings of Internet Explorer
  - mmc.exe (PID: 7064)
- The process uses the downloaded file
  - WinRAR.exe (PID: 6280)
  - mmc.exe (PID: 7064)
  - WINWORD.EXE (PID: 6156)
- Creates files or folders in the user directory
  - mmc.exe (PID: 7064)
- Checks proxy server information
  - mmc.exe (PID: 7064)
  - XunJie.exe (PID: 6032)
- Create files in a temporary directory
  - mmc.exe (PID: 7064)
- Reads Microsoft Office registry keys
  - mmc.exe (PID: 7064)
- Creates files in the program directory
  - mmc.exe (PID: 7064)
- Checks supported languages
  - XunJie.exe (PID: 6032)
- Drops encrypted VBS script (Microsoft Script Encoder)
  - WINWORD.EXE (PID: 6156)
- Sends debugging messages
  - WINWORD.EXE (PID: 6156)
- Reads the machine GUID from the registry
  - XunJie.exe (PID: 6032)
- Reads the computer name
  - XunJie.exe (PID: 6032)
- Potential modification of remote process state (Base64 Encoded 'SetThreadContext')
  - mmc.exe (PID: 7064)
- The sample compiled with english language support
  - mmc.exe (PID: 7064)
- Potential library load (Base64 Encoded 'LoadLibrary')
  - mmc.exe (PID: 7064)
- Potential access to remote process (Base64 Encoded 'OpenProcess')
  - mmc.exe (PID: 7064)
- Potential dynamic function import (Base64 Encoded 'GetProcAddress')
  - mmc.exe (PID: 7064)
- Reads the software policy settings
  - XunJie.exe (PID: 6032)

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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0808
ZipCompression:	Deflated
ZipModifyDate:	2024:12:11 11:07:46
ZipCRC:	0xc99f986d
ZipCompressedSize:	1387464
ZipUncompressedSize:	3940192
ZipFileName:	国际关系学院安全研究中心年会邀请函.msc

No data.

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All screenshots are available in the full report

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Total processes

138

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

3876

"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "BFD860DD-3823-4A73-A44D-254B3FD59040" "96C73DFB-8CBA-4C91-970E-43303486C2C5" "6156"

C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe

—

WINWORD.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64.

Version:

0.12.2.0

Modules

Images
c:\program files\microsoft office\root\vfs\programfilescommonx64\microsoft shared\office16\ai.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\program files\common files\microsoft shared\clicktorun\c2r64.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

6016

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

XunJie.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Console Window Host

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

6032

"C:\Program Files\XunJie\XunJie.exe" upgrade

C:\Program Files\XunJie\XunJie.exe

mmc.exe

User:

admin

Integrity Level:

HIGH

Modules

Images
c:\program files\xunjie\xunjie.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\program files\xunjie\libgcc_s_dw2-1.dll

6156

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\国际关系学院安全研究中心年会邀请函.docx" /o ""

C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE

mmc.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft Word

Version:

16.0.16026.20146

Modules

Images
c:\program files\microsoft office\root\office16\winword.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll

6280

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\国际关系学院安全研究中心年会邀请函.zip

C:\Program Files\WinRAR\WinRAR.exe

—

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Version:

5.91.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

6996

"C:\WINDOWS\system32\mmc.exe" "C:\Users\admin\Desktop\国际关系学院安全研究中心年会邀请函.msc"

C:\Windows\System32\mmc.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Management Console

Exit code:

3221226540

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\mmc.exe
c:\windows\system32\ntdll.dll

7064

"C:\WINDOWS\system32\mmc.exe" "C:\Users\admin\Desktop\国际关系学院安全研究中心年会邀请函.msc"

C:\Windows\System32\mmc.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft Management Console

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\mmc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\acgenral.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll

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Total events

20 470

Read events

20 046

Write events

395

Delete events

Modification events


(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\preferences.zip
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	1
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\国际关系学院安全研究中心年会邀请函.zip
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(6280) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached
Operation:	write	Name:	{7A80E4A8-8005-11D2-BCF8-00C04F72C717} {000214FA-0000-0000-C000-000000000046} 0xFFFF
Value: 01000000000000002B6832567A4BDB01
(PID) Process:	(7064) mmc.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:	write	Name:	CachePrefix
Value:

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Executable files

Suspicious files

123

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
7064	mmc.exe	C:\Program Files\XunJie\libgcc_s_dw2-1.dll		executable
		MD5:043B39434829CE93637B1801D57B2082	SHA256:4D2E2D408D399D066B0AAEF2047F7A33515C13C589832DE0D9F1BA87A530C394
7064	mmc.exe	C:\Program Files\XunJie\libwinpthread-1.dll		executable
		MD5:1F4411C1F66C9CDF96CA9D7F9CAF52D9	SHA256:B5FE4D6408EF2BAABDD168F4C7250900606468E9AEB24C71E0C833D3D715AE65
6156	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\FontCache\4\CloudFonts\SimHei\33134363409.ttf		—
		MD5:—	SHA256:—
6280	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6280.48892\国际关系学院安全研究中心年会邀请函.msc		xml
		MD5:D4DCFB3B7C833872A20F05CC5A144D66	SHA256:823C7D02275CD226D7746BAD12155C8933499709F1000094683A3E8F90C4D209
7064	mmc.exe	C:\Users\admin\AppData\Local\Temp\国际关系学院安全研究中心年会邀请函.docx		document
		MD5:B57320D4BED84F59324263B8736044A5	SHA256:BE93B65C3D22FE3FED3FAA9446C94BBA55F66614E4B9883F4518DA883F1EA6D4
6156	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\FontCache\4\CloudFonts\DengXian\54497409372.ttf		—
		MD5:—	SHA256:—
7064	mmc.exe	C:\Program Files\XunJie\XunJie.exe		executable
		MD5:A71070F0C6A45470927C908293750428	SHA256:5FDBE93608742410E4697B359DBEE18CA6D1DF42744CB13C62E591A5417964D5
6156	WINWORD.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04		binary
		MD5:B8A4F15F008F13E02D55DB531694BEDC	SHA256:A0D56EDA9D47B435B4F98ECDBADD7F81E305C30DB6EB287E0C0A028928D4E2A2
6156	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~$关系学院安全研究中心年会邀请函.docx		pgc
		MD5:4A43A155F848489FF5C40289F8414AAA	SHA256:03556E1AC1E78033BC6325D6614A79EBD333B2FBFC14E5BFBC9AF934BEDB6065
6156	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres		binary
		MD5:A5CF70386988BA5D25C3ED49A54A48C9	SHA256:A07E3A9896A9011DD6EB6669603E500DDFC839684E60A04BADFD68B6A8192E56

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
6068	svchost.exe	GET	200	23.48.23.143:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
6068	svchost.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
5064	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
1176	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
6156	WINWORD.EXE	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D	unknown	—	—	whitelisted
6504	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
6156	WINWORD.EXE	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D	unknown	—	—	whitelisted
6156	WINWORD.EXE	GET	200	2.16.164.49:80	http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl	unknown	—	—	whitelisted
6156	WINWORD.EXE	GET	200	2.16.164.49:80	http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl	unknown	—	—	whitelisted
6156	WINWORD.EXE	GET	200	2.16.164.49:80	http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl	unknown	—	—	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4712	MoUsoCoreWorker.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
6068	svchost.exe	23.48.23.143:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
6068	svchost.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
5064	SearchApp.exe	104.126.37.179:443	www.bing.com	Akamai International B.V.	DE	whitelisted
5064	SearchApp.exe	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1176	svchost.exe	40.126.32.68:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1176	svchost.exe	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59 20.73.194.208 51.104.136.2	whitelisted
google.com	142.250.181.238	whitelisted
crl.microsoft.com	23.48.23.143 23.48.23.156 2.16.164.49 2.16.164.106	whitelisted
www.microsoft.com	184.30.21.171 95.101.149.131	whitelisted
www.bing.com	104.126.37.179 104.126.37.123 104.126.37.185 104.126.37.178 104.126.37.129 104.126.37.186 104.126.37.176 104.126.37.171 104.126.37.130	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	40.126.32.68 40.126.32.74 40.126.32.133 20.190.160.20 20.190.160.22 40.126.32.140 40.126.32.76 40.126.32.72	whitelisted
go.microsoft.com	184.30.17.189	whitelisted
officeclient.microsoft.com	52.109.76.240	whitelisted
roaming.officeapps.live.com	52.109.28.47	whitelisted

Threats

PID	Process	Class	Message
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate
6032	XunJie.exe	Misc activity	ET INFO Observed ZeroSSL SSL/TLS Certificate

Add for printing

Process	Message
WINWORD.EXE	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
WINWORD.EXE	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
WINWORD.EXE	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.

General Info

国际关系学院安全研究中心年会邀请函.zip

529B207EE067CA0B369D1120CAB04E19

8B248E7BC2275FAFA299F92989A4A178D9A945D7

CC7F5FF0CD0E5E8BBA2FFEF5928D143006DABED0E17054F4DB8F577B7989A898

49152:fxyIrM5zH+zHlXiyCFidRFCyvD8wXGm1DV64XUbUPsd9/wBbixlKcTbPVbj4tkTM:fxyP5D+zHlitFQRMO1XGUo4XUbUSuBb1

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Creates a new folder (SCRIPT)

Detects the decoding of a binary file from Base64 (SCRIPT)

GRIMRESOURCES has been detected (YARA)

Uses base64 encoding (SCRIPT)

SUSPICIOUS

Reads Microsoft Outlook installation path

Reads Internet Explorer settings

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

Creates a Stream, which may work with files, input/output devices, pipes, or TCP/IP sockets (SCRIPT)

Writes binary data to a Stream object (SCRIPT)

Runs shell command (SCRIPT)

Sets XML DOM element text (SCRIPT)

Saves data to a binary file (SCRIPT)

Reads security settings of Internet Explorer

Executable content was dropped or overwritten

Checks Windows Trust Settings

INFO

Manual execution by a user

Reads security settings of Internet Explorer

The process uses the downloaded file

Creates files or folders in the user directory

Checks proxy server information

Create files in a temporary directory

Reads Microsoft Office registry keys

Creates files in the program directory

Checks supported languages

Drops encrypted VBS script (Microsoft Script Encoder)

Sends debugging messages

Reads the machine GUID from the registry

Reads the computer name

Potential modification of remote process state (Base64 Encoded 'SetThreadContext')

The sample compiled with english language support

Potential library load (Base64 Encoded 'LoadLibrary')

Potential access to remote process (Base64 Encoded 'OpenProcess')

Potential dynamic function import (Base64 Encoded 'GetProcAddress')

Reads the software policy settings

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests