Malware analysis Blaster.A.exe Malicious activity | ANY.RUN

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File name:	Blaster.A.exe
Full analysis:	https://app.any.run/tasks/80be543f-ccdf-4d29-969c-28fae85c4843
Verdict:	Malicious activity
Analysis date:	August 19, 2024, 02:37:20
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	upx
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:	5AE700C1DFFB00CEF492844A4DB6CD69
SHA1:	BED8E439F28A1A0D3876366CBD76A43CDCCF60FA
SHA256:	258F82166D20C68497A66D82349FC81899FDE8FE8C1CC66E59F739A9EA2C95A9
SSDEEP:	192:Z3AnYJq6/eKxjEMfMVj78aCFE4uF2X+xYQPx4bQ5I:ZQnYJJ/RhMV/1yEIdQW85I

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:: on
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
- Changes the autorun value in the registry
  - Blaster.A.exe (PID: 6516)
SUSPICIOUS
- Connects to unusual port
  - Blaster.A.exe (PID: 6516)
- Reads security settings of Internet Explorer
  - Blaster.A.exe (PID: 6516)
- Drops the executable file immediately after the start
  - Blaster.A.exe (PID: 6516)
INFO
- Checks supported languages
  - Blaster.A.exe (PID: 6516)
- Reads the computer name
  - Blaster.A.exe (PID: 6516)
- UPX packer has been detected
  - Blaster.A.exe (PID: 6516)
- Checks proxy server information
  - Blaster.A.exe (PID: 6516)

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	\|	UPX compressed Win32 Executable (39.3)
.exe	\|	Win32 EXE Yoda's Crypter (38.6)
.dll	\|	Win32 Dynamic Link Library (generic) (9.5)
.exe	\|	Win32 Executable (generic) (6.5)
.exe	\|	Generic Win/DOS Executable (2.9)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2003:08:11 11:21:14+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	2.55
CodeSize:	8192
InitializedDataSize:	4096
UninitializedDataSize:	20480
EntryPoint:	0x71f0
OSVersion:	1
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI

No data.

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All screenshots are available in the full report

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Total processes

121

Monitored processes

1

Malicious processes

1

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

6516

"C:\Users\admin\Desktop\Blaster.A.exe"

C:\Users\admin\Desktop\Blaster.A.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\desktop\blaster.a.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\apphelp.dll
c:\windows\syswow64\advapi32.dll

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Total events

520

Read events

519

Write events

1

Delete events

0

Modification events


(PID) Process:	(6516) Blaster.A.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	windows auto update
Value: msblast.exe

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Executable files

0

Suspicious files

0

Text files

0

Unknown types

0

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

0

TCP/UDP connections

32

DNS requests

3

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
3888	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3988	svchost.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1164	RUXIMICS.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4324	svchost.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
6516	Blaster.A.exe	38.196.80.1:135	—	COGENT-174	US	unknown
6516	Blaster.A.exe	38.196.80.2:135	—	COGENT-174	US	unknown
6516	Blaster.A.exe	38.196.80.3:135	—	COGENT-174	US	unknown
6516	Blaster.A.exe	38.196.80.4:135	—	COGENT-174	US	unknown

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2	whitelisted
google.com	142.250.179.174	whitelisted
windowsupdate.com	—	unknown

Threats

No threats detected

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No debug info

General Info

Blaster.A.exe

5AE700C1DFFB00CEF492844A4DB6CD69

BED8E439F28A1A0D3876366CBD76A43CDCCF60FA

258F82166D20C68497A66D82349FC81899FDE8FE8C1CC66E59F739A9EA2C95A9

192:Z3AnYJq6/eKxjEMfMVj78aCFE4uF2X+xYQPx4bQ5I:ZQnYJJ/RhMV/1yEIdQW85I

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

SUSPICIOUS

Connects to unusual port

Reads security settings of Internet Explorer

Drops the executable file immediately after the start

INFO

Checks supported languages

Reads the computer name

UPX packer has been detected

Checks proxy server information

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