Malware analysis cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74 Malicious activity

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File name:	cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74
Full analysis:	https://app.any.run/tasks/4843243b-661a-4678-8caa-a55f897944f3
Verdict:	Malicious activity
Threats:	Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks. Malware Trends Tracker >>>
Analysis date:	December 14, 2024, 11:33:19
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	cobaltstrike xor-url generic
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows, 11 sections
MD5:	BFF16C3F58BB5A885CEAAF6E60F8258B
SHA1:	58A090C0FBDFCA336D0BABAF5B42CD3FE252C26E
SHA256:	CAC3530DCFFC2885E883E4EBC3B831C433D1D33D7FD44851C4121E62CA479B74
SSDEEP:	12288:CZYPN+4l+/Vv9QwJNc5+RZlXKfpJHiedou3m:KYPN+40/Vv9QwJC5+RLXKfniedt3m

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:: 120 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
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
Client LanguagePack Package
DotNetRollup
DotNetRollup 481
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
Hello Face Package
InternetExplorer Optional 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
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MediaPlayer Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
OpenSSH Client Package
OpenSSH Client Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing PMCPPC FoD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
ProfessionalEdition
ProfessionalEdition
QuickAssist Package
QuickAssist Package
RollupFix
RollupFix
ServicingStack
ServicingStack
ServicingStack 3989
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
TabletPCMath Package
TabletPCMath Package
UserExperience Desktop Package
UserExperience Desktop Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package

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MALICIOUS
- COBALTSTRIKE has been detected (YARA)
  - cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe (PID: 1300)
- XORed URL has been found (YARA)
  - cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe (PID: 1300)
SUSPICIOUS
No suspicious indicators.
INFO
- Reads the machine GUID from the registry
  - cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe (PID: 1300)
- Reads the computer name
  - cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe (PID: 1300)
- Checks proxy server information
  - cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe (PID: 1300)
- Checks supported languages
  - cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe (PID: 1300)

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

.exe	\|	Win64 Executable (generic) (87.3)
.exe	\|	Generic Win/DOS Executable (6.3)
.exe	\|	DOS Executable Generic (6.3)

EXIF

EXE

Subsystem:	Windows GUI
SubsystemVersion:	5.2
ImageVersion:	-
OSVersion:	4
EntryPoint:	0x14c0
UninitializedDataSize:	1024
InitializedDataSize:	420864
CodeSize:	49152
LinkerVersion:	2.36
PEType:	PE32+
ImageFileCharacteristics:	Executable, No line numbers, No symbols, Large address aware, No debug
TimeStamp:	2024:08:11 19:53:59+00:00
MachineType:	AMD AMD64

No data.

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All screenshots are available in the full report

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Total processes

127

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1300

"C:\Users\admin\AppData\Local\Temp\cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe"

C:\Users\admin\AppData\Local\Temp\cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll

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Total events

395

Read events

395

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

No data

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
1176	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
6872	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
244	svchost.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6188	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
244	svchost.exe	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
6188	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
4712	MoUsoCoreWorker.exe	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
4712	MoUsoCoreWorker.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6872	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.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
—	—	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	192.168.100.255:137	—	—	—	whitelisted
4712	MoUsoCoreWorker.exe	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
244	svchost.exe	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
4712	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
244	svchost.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
5064	SearchApp.exe	104.126.37.129:443	www.bing.com	Akamai International B.V.	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
1176	svchost.exe	20.190.159.75:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	40.127.240.158 20.73.194.208	whitelisted
crl.microsoft.com	23.48.23.156 23.48.23.143	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
google.com	142.250.185.142	whitelisted
www.bing.com	104.126.37.129 104.126.37.153 104.126.37.154 104.126.37.155 104.126.37.123 104.126.37.130 104.126.37.139 104.126.37.162 104.126.37.161	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	20.190.159.75 20.190.159.71 20.190.159.0 20.190.159.2 20.190.159.64 40.126.31.71 40.126.31.67 20.190.159.73	whitelisted
go.microsoft.com	23.218.210.69	whitelisted
edwardscdn.azureedge.net	—	whitelisted
arc.msn.com	20.103.156.88	whitelisted

Threats

No threats detected

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No debug info

General Info

cac3530dcffc2885e883e4ebc3b831c433d1d33d7fd44851c4121e62ca479b74

BFF16C3F58BB5A885CEAAF6E60F8258B

58A090C0FBDFCA336D0BABAF5B42CD3FE252C26E

CAC3530DCFFC2885E883E4EBC3B831C433D1D33D7FD44851C4121E62CA479B74

12288:CZYPN+4l+/Vv9QwJNc5+RZlXKfpJHiedou3m:KYPN+40/Vv9QwJC5+RLXKfniedt3m

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

COBALTSTRIKE has been detected (YARA)

XORed URL has been found (YARA)

SUSPICIOUS

INFO

Reads the machine GUID from the registry

Reads the computer name

Checks proxy server information

Checks supported languages

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings