Malware analysis 309d874e270e4470016ececee530a294.zip Malicious activity

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File name:	309d874e270e4470016ececee530a294.zip
Full analysis:	https://app.any.run/tasks/60c73dc3-7af6-41d3-a93d-4d2ce8624eee
Verdict:	Malicious activity
Threats:	NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website. 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. Malware Trends Tracker >>>
Analysis date:	May 24, 2019, 06:50:10
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	rat nanocore
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract
MD5:	534E954868B4214B8D19189AF134EFD8
SHA1:	9D021F5A984A6AF7E335099823E30F7762E620D2
SHA256:	0F1347968C613E07F2398C17B45320EF499CACF951FD713476BF358AA5784433
SSDEEP:	24576:h7SyKb7YsTbcIWpOKwMMz7oRmafDT15Bo/tNZBQua:FbKPYsfWOdzgfH1EthQt

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:: 300 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 240 seconds
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
- Changes the autorun value in the registry
  - RegAsm.exe (PID: 1976)
- NanoCore was detected
  - RegAsm.exe (PID: 1976)
- Application was dropped or rewritten from another process
  - AWB NO 9804583234.exe (PID: 1820)
  - RegAsm.exe (PID: 1976)
- Writes to a start menu file
  - AWB NO 9804583234.exe (PID: 1820)
SUSPICIOUS
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 3236)
  - AWB NO 9804583234.exe (PID: 1820)
  - RegAsm.exe (PID: 1976)
- Creates files in the user directory
  - AWB NO 9804583234.exe (PID: 1820)
  - RegAsm.exe (PID: 1976)
INFO
- Manual execution by user
  - WinRAR.exe (PID: 3236)

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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0009
ZipCompression:	Deflated
ZipModifyDate:	2019:05:24 09:49:26
ZipCRC:	0x7ba96ab7
ZipCompressedSize:	935763
ZipUncompressedSize:	935709
ZipFileName:	309d874e270e4470016ececee530a294

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

1820

"C:\Users\admin\AppData\Local\Temp\Rar$EXa3236.16234\AWB NO 9804583234.exe"

C:\Users\admin\AppData\Local\Temp\Rar$EXa3236.16234\AWB NO 9804583234.exe

WinRAR.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\rar$exa3236.16234\awb no 9804583234.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll

1976

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

AWB NO 9804583234.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft .NET Assembly Registration Utility

Exit code:

Version:

2.0.50727.5420 (Win7SP1.050727-5400)

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll

3236

"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\309d874e270e4470016ececee530a294.rar"

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

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

3332

"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\309d874e270e4470016ececee530a294.zip"

C:\Program Files\WinRAR\WinRAR.exe

—

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

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

910

Read events

876

Write events

Delete events

Modification events


(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\309d874e270e4470016ececee530a294.zip
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(3332) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:	write	Name:	ShowPassword
Value: 0
(PID) Process:	(3236) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
1820	AWB NO 9804583234.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EaseOfAccessDialog.url		text
		MD5:—	SHA256:—
3236	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$EXa3236.16234\AWB NO 9804583234.exe		executable
		MD5:—	SHA256:—
3332	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRb3332.14092\309d874e270e4470016ececee530a294		compressed
		MD5:—	SHA256:—
1820	AWB NO 9804583234.exe	C:\Users\admin\AppData\Roaming\ktmutil\EaseOfAccessDialog.vbs		text
		MD5:—	SHA256:—
1820	AWB NO 9804583234.exe	C:\Users\admin\AppData\Roaming\ktmutil\PerceptionSimulationDevice.exe		executable
		MD5:—	SHA256:—
1976	RegAsm.exe	C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat		binary
		MD5:—	SHA256:—
1976	RegAsm.exe	C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe		executable
		MD5:278EDBD499374BF73621F8C1F969D894	SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391

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
1976	RegAsm.exe	178.239.21.118:4589	—	Telekomunikacije Republike Srpske akcionarsko drustvo Banja Luka	BA	malicious

DNS requests

No data

Threats

No threats detected

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No debug info

General Info

309d874e270e4470016ececee530a294.zip

534E954868B4214B8D19189AF134EFD8

9D021F5A984A6AF7E335099823E30F7762E620D2

0F1347968C613E07F2398C17B45320EF499CACF951FD713476BF358AA5784433

24576:h7SyKb7YsTbcIWpOKwMMz7oRmafDT15Bo/tNZBQua:FbKPYsfWOdzgfH1EthQt

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

NanoCore was detected

Application was dropped or rewritten from another process

Writes to a start menu file

SUSPICIOUS

Executable content was dropped or overwritten

Creates files in the user directory

INFO

Manual execution by user

Malware configuration

Static information

TRiD

EXIF

ZIP

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