Malware analysis calcu.exe Malicious activity | ANY.RUN

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File name:	calcu.exe
Full analysis:	https://app.any.run/tasks/f0d2cf98-25e5-4f3e-b131-72335eb68a36
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:	March 19, 2025, 09:25:16
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	cobaltstrike
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows, 11 sections
MD5:	6B03A6F226AF97D102CECFDAD5BFC8A5
SHA1:	7FB88E8752263E9FDAE0BF69D7F8220F6380D73B
SHA256:	5D2718E6FC8336D08F315D628DD9E26C97C6DD05DE72D4AB32767EA0AB0E3200
SSDEEP:	12288:ozWYh68XR0CeviBV03m2ML51qyc38I3ZXPf:ozPh68h0CeviD03m2ML51qyc3p3Z

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:: 60 seconds
Heavy Evasion option:
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
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
- COBALTSTRIKE has been detected (YARA)
  - calcu.exe (PID: 1300)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - calcu.exe (PID: 1300)
INFO
- The sample compiled with english language support
  - calcu.exe (PID: 1300)
- Reads the computer name
  - calcu.exe (PID: 1300)
- Reads the machine GUID from the registry
  - calcu.exe (PID: 1300)
- Reads security settings of Internet Explorer
  - BackgroundTransferHost.exe (PID: 8160)
  - BackgroundTransferHost.exe (PID: 5512)
- Checks proxy server information
  - calcu.exe (PID: 1300)
  - BackgroundTransferHost.exe (PID: 8160)
- Checks supported languages
  - calcu.exe (PID: 1300)
- Creates files or folders in the user directory
  - BackgroundTransferHost.exe (PID: 8160)

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

MachineType:	AMD AMD64
TimeStamp:	2024:06:03 10:23:22+00:00
ImageFileCharacteristics:	Executable, No line numbers, No symbols, Large address aware, No debug
PEType:	PE32+
LinkerVersion:	2.38
CodeSize:	13312
InitializedDataSize:	537088
UninitializedDataSize:	8704
EntryPoint:	0x14d0
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	5.2
Subsystem:	Windows GUI
FileVersionNumber:	1.3.1524.736
ProductVersionNumber:	1.3.1524.736
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	PDF Viewer Solutions Inc.
FileDescription:	PDF Viewer
FileVersion:	1.3.1524.736
InternalName:	pdfviewer
LegalCopyright:	© PDF Viewer Solutions. All rights reserved.
OriginalFileName:	PDFVIEWER.EXE
ProductName:	PDF Viewer Solutions PDF Viewer
ProductVersion:	1.3.1524.736

No data.

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All screenshots are available in the full report

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Total processes

144

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\calcu.exe"

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

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\calcu.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

2320

C:\WINDOWS\system32\SppExtComObj.exe -Embedding

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.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\oleaut32.dll

2852

"C:\WINDOWS\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Shell Experience Host

Version:

10.0.19041.3758 (WinBuild.160101.0800)

Modules

Images
c:\windows\systemapps\shellexperiencehost_cw5n1h2txyewy\shellexperiencehost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\wincorlib.dll

5512

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

6388

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

7200

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

—

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows Activation Client

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

7516

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

7948

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

8160

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

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Total events

3 558

Read events

3 541

Write events

Delete events

Modification events


(PID) Process:	(7948) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(7948) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(7948) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(8160) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(8160) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(8160) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(6388) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(6388) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(6388) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(5512) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
8160	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\b8aa3cab-4eaa-41f0-bc37-08ce99d3ea62.down_data		—
		MD5:—	SHA256:—
8160	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D		binary
		MD5:C8AF25AA60A073D8DCEA106CD46D1073	SHA256:ECE1E0D365A6A4F49DD6700870A17DC3225812E0260FECB63169CC23F7960612
8160	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\b8aa3cab-4eaa-41f0-bc37-08ce99d3ea62.77320ac6-257e-4bd6-aa58-0f19ca17d1e1.down_meta		binary
		MD5:8EF9CF615D34B146970C39D61B6D6FA2	SHA256:05264291C0FC194F381751CA3FE72C527F6D441385AC1BEA7FCCF565EAC680A9
8160	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\e2577801-32cc-4342-9cca-fa6b7d208ee3.up_meta_secure		binary
		MD5:C31F7C82F6284B31C273D7C83A1E98C0	SHA256:61D15721A80E0410D1F51D733E1471CB921521A15AC1364E62E870D69827AB18
8160	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\e2577801-32cc-4342-9cca-fa6b7d208ee3.77320ac6-257e-4bd6-aa58-0f19ca17d1e1.down_meta		binary
		MD5:8EF9CF615D34B146970C39D61B6D6FA2	SHA256:05264291C0FC194F381751CA3FE72C527F6D441385AC1BEA7FCCF565EAC680A9
8160	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D		binary
		MD5:D38ABCF6AE741C31A5C2CDFB5713ED91	SHA256:F4C7D8D65FFCF5CF8BFF0577E835E7387E675BD7D4A71F774FB399DCF2DA2697

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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
6544	svchost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	unknown
5496	MoUsoCoreWorker.exe	GET	200	2.16.164.9:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
7292	backgroundTaskHost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
8160	BackgroundTransferHost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	unknown
7864	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	—	—	unknown
7864	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	unknown

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	40.127.240.158:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
—	—	192.168.100.255:137	—	—	—	whitelisted
5496	MoUsoCoreWorker.exe	2.16.164.9:80	crl.microsoft.com	Akamai International B.V.	NL	unknown
2568	RUXIMICS.exe	40.127.240.158:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
4	System	192.168.100.255:138	—	—	—	whitelisted
1300	calcu.exe	51.77.244.122:443	www.nencweather.com	OVH SAS	FR	unknown
3216	svchost.exe	20.198.162.78:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	SG	unknown
6544	svchost.exe	20.190.160.67:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	unknown
6544	svchost.exe	2.23.77.188:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
7292	backgroundTaskHost.exe	20.74.47.205:443	arc.msn.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	unknown

DNS requests

Domain	IP	Reputation
google.com	216.58.206.78	whitelisted
crl.microsoft.com	2.16.164.9 2.16.164.72 2.16.164.81 2.16.164.106 2.16.164.49 2.16.164.18	unknown
www.nencweather.com	51.77.244.122	unknown
client.wns.windows.com	20.198.162.78	unknown
login.live.com	20.190.160.67 20.190.160.132 20.190.160.66 20.190.160.128 20.190.160.4 20.190.160.20 20.190.160.130 40.126.32.140	unknown
ocsp.digicert.com	2.23.77.188	unknown
arc.msn.com	20.74.47.205	unknown
www.bing.com	2.19.96.25 2.19.96.35 2.19.96.24 2.19.96.34 2.19.96.26 2.19.96.19 2.19.96.40 2.19.96.42 2.19.96.32	unknown
settings-win.data.microsoft.com	51.124.78.146	unknown
slscr.update.microsoft.com	4.175.87.197	whitelisted

Threats

No threats detected

Add for printing

No debug info

General Info

calcu.exe

6B03A6F226AF97D102CECFDAD5BFC8A5

7FB88E8752263E9FDAE0BF69D7F8220F6380D73B

5D2718E6FC8336D08F315D628DD9E26C97C6DD05DE72D4AB32767EA0AB0E3200

12288:ozWYh68XR0CeviBV03m2ML51qyc38I3ZXPf:ozPh68h0CeviD03m2ML51qyc3p3Z

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

COBALTSTRIKE has been detected (YARA)

SUSPICIOUS

Reads security settings of Internet Explorer

INFO

The sample compiled with english language support

Reads the computer name

Reads the machine GUID from the registry

Reads security settings of Internet Explorer

Checks proxy server information

Checks supported languages

Creates files or folders in the user directory

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

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

Threats

Debug output strings