Malware analysis JunkCodeAdder.rar Malicious activity

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File name:	JunkCodeAdder.rar
Full analysis:	https://app.any.run/tasks/a5cf56ea-57fd-4dc3-9d1a-9feb15336185
Verdict:	Malicious activity
Analysis date:	December 18, 2018, 16:28:28
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
MIME:	application/x-rar
File info:	RAR archive data, v5
MD5:	1F9D5F91EB519D427EDBE4EBC6324738
SHA1:	3FC56E6E8735CEC3075F6A7BE5156FEA09DD304D
SHA256:	F3E227DF42D3D306EA8B6F9535D859392DC2D8CAA0DD2924DC729638A13E6219
SSDEEP:	49152:CvhfL75WUJKGj4vpTgUDXJjQ36Q6p3jKwpLOvZE26+9w:CvRn5RJ7jUpTgSC36QsnOxRs

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:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: off
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 (68.0.3440.106)
Google Update Helper (1.3.33.17)
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 61.0.2 (x86 en-US) (61.0.2)
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
- Application was dropped or rewritten from another process
  - C#JunkCodeAdder.exe (PID: 3928)
- Loads dropped or rewritten executable
  - C#JunkCodeAdder.exe (PID: 3928)
SUSPICIOUS
No suspicious indicators.
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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TRiD

.rar	\|	RAR compressed archive (v5.0) (61.5)
.rar	\|	RAR compressed archive (gen) (38.4)

No data.

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All screenshots are available in the full report

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Total processes

33

Monitored processes

2

Malicious processes

1

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2980

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

C:\Program Files\WinRAR\WinRAR.exe

—

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

0

Version:

5.60.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll

3928

"C:\Users\admin\Desktop\jc\C#JunkCodeAdder.exe"

C:\Users\admin\Desktop\jc\C#JunkCodeAdder.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

C++ Junk Code

Exit code:

0

Version:

1.0.0.0

Modules

Images
c:\users\admin\desktop\jc\c#junkcodeadder.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

435

Read events

426

Write events

9

Delete events

0

Modification events


(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\JunkCodeAdder.rar
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(2980) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(3928) C#JunkCodeAdder.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
Operation:	write	Name:	Name
Value: C#JunkCodeAdder.exe

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Executable files

0

Suspicious files

0

Text files

0

Unknown types

0

Dropped files

PID	Process	Filename		Type
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\BespokeFusion.dll		—
		MD5:—	SHA256:—
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\Bunifu_UI_v1.5.3.dll		—
		MD5:—	SHA256:—
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\C#JunkCodeAdder.exe		—
		MD5:—	SHA256:—
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\MahApps.Metro.dll		—
		MD5:—	SHA256:—
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\MaterialDesignColors.dll		—
		MD5:—	SHA256:—
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\MaterialDesignThemes.Wpf.dll		—
		MD5:—	SHA256:—
2980	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2980.4284\System.Windows.Interactivity.dll		—
		MD5:—	SHA256:—

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HTTP(S) requests

0

TCP/UDP connections

0

DNS requests

0

Threats

0

HTTP requests

No HTTP requests

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Connections

No data

DNS requests

No data

Threats

No threats detected

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No debug info

General Info

JunkCodeAdder.rar

1F9D5F91EB519D427EDBE4EBC6324738

3FC56E6E8735CEC3075F6A7BE5156FEA09DD304D

F3E227DF42D3D306EA8B6F9535D859392DC2D8CAA0DD2924DC729638A13E6219

49152:CvhfL75WUJKGj4vpTgUDXJjQ36Q6p3jKwpLOvZE26+9w:CvRn5RJ7jUpTgSC36QsnOxRs

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

Loads dropped or rewritten executable

SUSPICIOUS

INFO

Malware configuration

Static information

TRiD

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings