Malware analysis Desktop.rar Malicious activity | ANY.RUN

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File name:	Desktop.rar
Full analysis:	https://app.any.run/tasks/8dafeac5-325a-41ae-a9ff-9975524f89ba
Verdict:	Malicious activity
Analysis date:	January 17, 2019, 21:03:13
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-rar
File info:	RAR archive data, v5
MD5:	AA97164D26F8A4ECE6C40CA98C10D894
SHA1:	A43538D989D57EF5BB8C082CAD500A4261116849
SHA256:	AD64FE4D1D7D5849386C93FDA65CCE9B19D6C646C9BD73F6A8268B726E500547
SSDEEP:	24576:Eevue6QgRyqViXh8bOYWxwZvK1OTlZcTi0uMzMyAbZpILWoCGLplQ82vBGdj:EevuFQlHXeW212ORMNAMjZ2ZUj

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:: 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 (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
  - Constructor.Win32.ChmBuilder.a.exe (PID: 3172)
SUSPICIOUS
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 2340)
  - WinRAR.exe (PID: 3460)
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

39

Monitored processes

4

Malicious processes

1

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2340

"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\Constructor.Win32.ChmBuilder.a.zip" C:\Users\admin\Desktop\

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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\comdlg32.dll

2988

"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Desktop.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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\comdlg32.dll

3172

"C:\Users\admin\Desktop\Constructor.Win32.ChmBuilder.a.exe"

C:\Users\admin\Desktop\Constructor.Win32.ChmBuilder.a.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

0

Modules

Images
c:\users\admin\desktop\constructor.win32.chmbuilder.a.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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\gdi32.dll

3460

"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\radC8EB1.tmp.zip" C:\Users\admin\Desktop\

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

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Total events

743

Read events

699

Write events

44

Delete events

0

Modification events


(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\Desktop.rar
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\MainWin
Operation:	write	Name:	Placement
Value: 2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF42000000420000000204000037020000
(PID) Process:	(2988) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\General
Operation:	write	Name:	LastFolder
Value: C:\Users\admin\AppData\Local\Temp

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Executable files

2

Suspicious files

0

Text files

0

Unknown types

0

Dropped files

PID	Process	Filename		Type
2988	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2988.3131\Constructor.Win32.ChmBuilder.a.zip		—
		MD5:—	SHA256:—
2988	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2988.3131\radC8EB1.tmp.zip		—
		MD5:—	SHA256:—
2340	WinRAR.exe	C:\Users\admin\Desktop\Constructor.Win32.ChmBuilder.a		executable
		MD5:—	SHA256:—
3460	WinRAR.exe	C:\Users\admin\Desktop\rad24126.tmp		executable
		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

Desktop.rar

AA97164D26F8A4ECE6C40CA98C10D894

A43538D989D57EF5BB8C082CAD500A4261116849

AD64FE4D1D7D5849386C93FDA65CCE9B19D6C646C9BD73F6A8268B726E500547

24576:Eevue6QgRyqViXh8bOYWxwZvK1OTlZcTi0uMzMyAbZpILWoCGLplQ82vBGdj:EevuFQlHXeW212ORMNAMjZ2ZUj

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

SUSPICIOUS

Executable content was dropped or overwritten

INFO

Malware configuration

Static information

TRiD

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