Malware analysis CS01.vbs Malicious activity | ANY.RUN

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File name:	CS01.vbs
Full analysis:	https://app.any.run/tasks/f474f10e-6783-4976-b8eb-db1fb9a5aead
Verdict:	Malicious activity
Threats:	njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. njRAT ist ein Trojaner für den Fernzugriff. Es handelt sich um einen der am weitesten verbreiteten RATs auf dem Markt, der eine Fülle von Bildungsinformationen bietet. Interessierte Angreifer können sogar Tutorials auf YouTube finden. Dies macht ihn zu einem der beliebtesten RATs der Welt. Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. Malware Trends Tracker >>>
Analysis date:	March 21, 2019, 15:12:05
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	rat njrat bladabindi trojan
Indicators:
MIME:	text/plain
File info:	ASCII text, with very long lines, with CRLF line terminators
MD5:	FD73EAD430FDE52DE84CCCB80CAAAC7F
SHA1:	5335442CF6A673C16F535286B8AE8072FF45E78C
SHA256:	61C96CDB88877B3C737A1022BB6355E8489D2CC2019ECBCC15BE978186552174
SSDEEP:	1536:dnP1KoEdCWa70loE39HBYdFl4ic1AGUGOh8gOpKEyecWOaHXmMTDnqzDq1vh9Kdx:T

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:: on
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 8.0.7601.17514 undefined
Adobe Acrobat Reader DC MUI (15.023.20070)
Adobe Flash Player 26 ActiveX (26.0.0.131)
Adobe Flash Player 26 NPAPI (26.0.0.131)
Adobe Flash Player 26 PPAPI (26.0.0.131)
Adobe Refresh Manager (1.8.0)
CCleaner (5.35)
FileZilla Client 3.36.0 (3.36.0)
Google Chrome (73.0.3683.75)
Google Update Helper (1.3.33.23)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.6.1 (4.6.01055)
Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Professional 2010 (14.0.6029.1000)
Microsoft Office Proof (English) 2010 (14.0.6029.1000)
Microsoft Office Proof (French) 2010 (14.0.6029.1000)
Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Single Image 2010 (14.0.6029.1000)
Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2017 Redistributable (x86) - 14.15.26706 (14.15.26706.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.15.26706 (14.15.26706)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.15.26706 (14.15.26706)
Mozilla Firefox 65.0.2 (x86 en-US) (65.0.2)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
VLC media player (2.2.6)
WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

Client LanguagePack Package
Client Refresh LanguagePack Package
CodecPack Basic Package
Foundation Package
IE Troubleshooters Package
InternetExplorer Optional Package
KB2534111
KB2999226
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Writes to a start menu file
  - WScript.exe (PID: 1640)
  - MSBUILD.EXE (PID: 3564)
- Loads dropped or rewritten executable
  - regsvr32.exe (PID: 1920)
  - WScript.exe (PID: 1640)
- Registers / Runs the DLL via REGSVR32.EXE
  - WScript.exe (PID: 1640)
- NJRAT was detected
  - MSBUILD.EXE (PID: 3564)
- Changes the autorun value in the registry
  - MSBUILD.EXE (PID: 3564)
- Application was dropped or rewritten from another process
  - MSBUILD.EXE (PID: 3564)
- Connects to CnC server
  - MSBUILD.EXE (PID: 3564)
SUSPICIOUS
- Creates files in the user directory
  - WScript.exe (PID: 1640)
  - MSBUILD.EXE (PID: 3564)
- Executable content was dropped or overwritten
  - WScript.exe (PID: 1640)
  - MSBUILD.EXE (PID: 3564)
- Uses NETSH.EXE for network configuration
  - MSBUILD.EXE (PID: 3564)
- Connects to unusual port
  - MSBUILD.EXE (PID: 3564)
INFO
No info indicators.

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

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1640

"C:\Windows\System32\WScript.exe" "C:\Users\admin\Desktop\CS01.vbs"

C:\Windows\System32\WScript.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft ® Windows Based Script Host

Exit code:

Version:

5.8.7600.16385

Modules

Images
c:\windows\system32\wscript.exe
c:\systemroot\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\gdi32.dll
c:\windows\system32\lpk.dll

1920

"C:\Windows\System32\regsvr32.exe" /I /S "C:\Users\admin\AppData\Local\Temp\sasasor.vbs.BIN"

C:\Windows\System32\regsvr32.exe

—

WScript.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft(C) Register Server

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\regsvr32.exe
c:\systemroot\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\user32.dll
c:\windows\system32\gdi32.dll

3016

netsh firewall add allowedprogram "C:\Windows\MICROSOFT.NET\FRAMEWORK\V2.0.50727\MSBUILD.EXE" "MSBUILD.EXE" ENABLE

C:\Windows\system32\netsh.exe

—

MSBUILD.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Network Command Shell

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\netsh.exe
c:\systemroot\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\credui.dll
c:\windows\system32\user32.dll

3564

"C:\Windows\MICROSOFT.NET\FRAMEWORK\V2.0.50727\MSBUILD.EXE"

C:\Windows\MICROSOFT.NET\FRAMEWORK\V2.0.50727\MSBUILD.EXE

WScript.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

MSBuild.exe

Exit code:

Version:

2.0.50727.5420 built by: Win7SP1

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\msbuild.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

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Total events

291

Read events

176

Write events

115

Delete events

Modification events


(PID) Process:	(1640) WScript.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(1640) WScript.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(1920) regsvr32.exe	Key:	HKEY_CLASSES_ROOT\CLSID\{89565275-A714-4a43-912E-978B935EDCCC}\InProcServer32
Operation:	write	Name:
Value: C:\Users\admin\AppData\Local\Temp\sasasor.vbs.BIN
(PID) Process:	(1920) regsvr32.exe	Key:	HKEY_CLASSES_ROOT\DynamicWrapperX\CLSID
Operation:	write	Name:
Value: {89565275-A714-4a43-912E-978B935EDCCC}
(PID) Process:	(3564) MSBUILD.EXE	Key:	HKEY_CURRENT_USER
Operation:	write	Name:	di
Value: !
(PID) Process:	(3564) MSBUILD.EXE	Key:	HKEY_CURRENT_USER\Environment
Operation:	write	Name:	SEE_MASK_NOZONECHECKS
Value: 1
(PID) Process:	(3016) netsh.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(3016) netsh.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\dhcpqec.dll,-100
Value: DHCP Quarantine Enforcement Client
(PID) Process:	(3016) netsh.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\dhcpqec.dll,-101
Value: Provides DHCP based enforcement for NAP
(PID) Process:	(3016) netsh.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\dhcpqec.dll,-103
Value: 1.0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3564	MSBUILD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\68ba45dadc1288290b303cf114eeb1fe.exe		executable
		MD5:—	SHA256:—
1640	WScript.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sasasor.vbs.vbs		text
		MD5:—	SHA256:—
1640	WScript.exe	C:\Users\admin\AppData\Local\Temp\sasasor.vbs.BIN		executable
		MD5:E0B8DFD17B8E7DE760B273D18E58B142	SHA256:4EF3A6703ABC6B2B8E2CAC3031C1E5B86FE8B377FDE92737349EE52BD2604379

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

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
3564	MSBUILD.EXE	23.227.201.158:3047	—	Swiftway Sp. z o.o.	US	malicious

DNS requests

No data

Threats

PID	Process	Class	Message
3564	MSBUILD.EXE	A Network Trojan was detected	MALWARE [PTsecurity] njRAT.Gen RAT outbound connection

3 ETPRO signatures available at the full report

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No debug info

General Info

CS01.vbs

FD73EAD430FDE52DE84CCCB80CAAAC7F

5335442CF6A673C16F535286B8AE8072FF45E78C

61C96CDB88877B3C737A1022BB6355E8489D2CC2019ECBCC15BE978186552174

1536:dnP1KoEdCWa70loE39HBYdFl4ic1AGUGOh8gOpKEyecWOaHXmMTDnqzDq1vh9Kdx:T

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Writes to a start menu file

Loads dropped or rewritten executable

Registers / Runs the DLL via REGSVR32.EXE

NJRAT was detected

Changes the autorun value in the registry

Application was dropped or rewritten from another process

Connects to CnC server

SUSPICIOUS

Creates files in the user directory

Executable content was dropped or overwritten

Uses NETSH.EXE for network configuration

Connects to unusual port

INFO

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