Malware analysis agosto.rar Malicious activity | ANY.RUN

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File name:	agosto.rar
Full analysis:	https://app.any.run/tasks/45405b31-78f7-4d82-841b-64e872e1ec9d
Verdict:	Malicious activity
Analysis date:	September 03, 2025, 17:05:17
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	repair-exploit-extra evasion
Indicators:
MIME:	application/zip
File info:	Zip archive, with extra data prepended
MD5:	7A745445745A7A83BD12F73DFB683002
SHA1:	300D5E2139B92352B6CA417354264E242DC27CBC
SHA256:	1F12CF14907EFE6009F88014214C2074573D1D20AA37EC0A4AC02C252F5E0AFA
SSDEEP:	3072:hZcvrdjdpGJB/jVfvp5MW6UAu1a1aYmA7jseV0hsflj96zQ9fJAiCTCGUeMEiw:hmvr8B5sZUAYYDNV0uljX9tCjgEj

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:: 180 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 120 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 (133.0.6943.127)
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 (133.0.3065.92)
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) (136.0)
Mozilla Maintenance Service (136.0)
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)
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
- A deliberately damaged file exploiting the Office/Archive self-repair mechanism has been detected (extra data)
  - WinRAR.exe (PID: 1148)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - WinRAR.exe (PID: 1148)
INFO
- Reads Microsoft Office registry keys
  - WinRAR.exe (PID: 1148)
- Checks proxy server information
  - slui.exe (PID: 3740)
- Reads the software policy settings
  - slui.exe (PID: 3740)

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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No data.

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All screenshots are available in the full report

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Total processes

143

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1148

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\agosto.rar

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

3740

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Activation Client

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.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\bcrypt.dll
c:\windows\system32\user32.dll

4684

"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "30601943-7CB0-4BBA-A7FD-E76AED58D265" "83BE62B3-2D6D-47CC-99FB-95346B14F3A9" "6620"

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

—

WINWORD.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

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:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll

6620

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\agosto.docx" /o ""

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

WinRAR.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

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:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll

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Total events

29 536

Read events

29 144

Write events

353

Delete events

Modification events


(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\preferences.zip
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(1148) 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:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\agosto.rar
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:	write	Name:	name
Value: 256
(PID) Process:	(1148) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:	write	Name:	size
Value: 80

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Executable files

Suspicious files

119

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6620	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\91E7FCD7-82F0-4249-87BC-1E0FA512F4B0		xml
		MD5:BAEACDB083707D1C5E21F8CAB4F99399	SHA256:E700D2DA231BC177155010709784DBE2107B97AD5B88FE0BDABBA3AF2037F24D
6620	WINWORD.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A		binary
		MD5:649F00AC971C88291B4849883676BA69	SHA256:C7077C11BACA716F82BD9A66699A292B1CFB7700319B6B0CD15EFD5196F6FA0B
1148	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\agosto.docx		compressed
		MD5:7A745445745A7A83BD12F73DFB683002	SHA256:1F12CF14907EFE6009F88014214C2074573D1D20AA37EC0A4AC02C252F5E0AFA
6620	WINWORD.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A		binary
		MD5:9F8414139E78524C1DC34CA26C2E2B0A	SHA256:DED4557BF48C127FB94DBAEE760E0A43487971F87641BDE9B191C7F725C9D351
6620	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		binary
		MD5:C650173E65C18E9A6471733BBF9ED868	SHA256:2C4D560E6EA635C000FF09AF8FA1EC7A9C29198DA58A5A202E23D630273F61CC
6620	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\~$agosto.docx		binary
		MD5:9167DF3702160154EBA905D493546764	SHA256:C2233AE7D2A4A849F257830CA51D941DF6D6056475006B5D7704C2548A2B1EDD
6620	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\mso21A2.tmp		compressed
		MD5:52A1F464B9ED749BE95FF736AAC61600	SHA256:266A632C8D1195531E7983635B7F2113E2F1FD1D9B4E0CD7B1D92B4758B4C022
6620	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\16.0\Personalization\Governance\Anonymous\floodgatecampaigns.json		binary
		MD5:B1768BBB589830CFB64C55A885249AE7	SHA256:B78AEC09162C1B5C56D399CDFE1DB4F07351FEA94B96E4D3F1680B7751D24D24
6620	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\16.0\Personalization\Governance\Anonymous\floodgatecampaigns.json.tmp		binary
		MD5:B1768BBB589830CFB64C55A885249AE7	SHA256:B78AEC09162C1B5C56D399CDFE1DB4F07351FEA94B96E4D3F1680B7751D24D24
6620	WINWORD.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9		binary
		MD5:8089F9921DC22980FB1A3FD7AF0CAD24	SHA256:A8C71DE100FB927BF4CE19C585422737148124A638AC24EDF55DD8F76554D5B3

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
1268	svchost.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	DE	binary	814 b	whitelisted
1268	svchost.exe	GET	200	2.16.164.91:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	NL	binary	825 b	whitelisted
5780	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	NL	binary	419 b	whitelisted
5780	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	NL	binary	407 b	whitelisted
6620	WINWORD.EXE	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	US	binary	471 b	whitelisted
2940	svchost.exe	GET	200	69.192.161.44:80	http://x1.c.lencr.org/	DE	binary	734 b	whitelisted
6620	WINWORD.EXE	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D	US	binary	471 b	whitelisted
6620	WINWORD.EXE	GET	200	2.16.164.112:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	NL	binary	825 b	whitelisted
6620	WINWORD.EXE	GET	200	2.16.164.112:80	http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl	NL	binary	767 b	whitelisted
6620	WINWORD.EXE	GET	200	2.16.164.112:80	http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl	NL	binary	519 b	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
5944	MoUsoCoreWorker.exe	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
7008	RUXIMICS.exe	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1268	svchost.exe	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
6176	svchost.exe	20.190.160.3:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6176	svchost.exe	184.30.131.245:80	ocsp.digicert.com	AKAMAI-AS	US	whitelisted
1268	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1268	svchost.exe	2.16.164.91:80	crl.microsoft.com	Akamai International B.V.	NL	whitelisted
1268	svchost.exe	69.192.161.161:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.185.174	whitelisted
login.live.com	20.190.160.3 20.190.160.130 20.190.160.5 40.126.32.138 20.190.160.65 20.190.160.132 40.126.32.140 20.190.160.64	whitelisted
ocsp.digicert.com	184.30.131.245	whitelisted
settings-win.data.microsoft.com	40.127.240.158 51.104.136.2	whitelisted
crl.microsoft.com	2.16.164.91 2.16.164.58 2.16.164.42 2.16.164.75 2.16.164.48 2.16.164.66 2.16.164.83 2.16.164.34 2.16.164.89 2.16.164.112 2.16.164.113	whitelisted
www.microsoft.com	69.192.161.161 95.101.149.131 23.32.97.216	whitelisted
slscr.update.microsoft.com	20.165.94.63	whitelisted
fe3cr.delivery.mp.microsoft.com	20.242.39.171	whitelisted
self.events.data.microsoft.com	20.42.73.27 52.182.143.213	whitelisted
activation-v2.sls.microsoft.com	40.91.76.224	whitelisted

Threats

No threats detected

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No debug info

General Info

agosto.rar

7A745445745A7A83BD12F73DFB683002

300D5E2139B92352B6CA417354264E242DC27CBC

1F12CF14907EFE6009F88014214C2074573D1D20AA37EC0A4AC02C252F5E0AFA

3072:hZcvrdjdpGJB/jVfvp5MW6UAu1a1aYmA7jseV0hsflj96zQ9fJAiCTCGUeMEiw:hmvr8B5sZUAYYDNV0uljX9tCjgEj

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

A deliberately damaged file exploiting the Office/Archive self-repair mechanism has been detected (extra data)

SUSPICIOUS

Reads security settings of Internet Explorer

INFO

Reads Microsoft Office registry keys

Checks proxy server information

Reads the software policy settings

Malware configuration

Static information

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings