Malware analysis Fortnite Checker.zip Malicious activity

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File name:	Fortnite Checker.zip
Full analysis:	https://app.any.run/tasks/ea2c5e86-0f01-40e9-9c88-242a40a5c8b5
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. 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:	December 06, 2018, 13:43:30
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	trojan nanocore rat
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract
MD5:	391C5049F4B67148D9BE27DA2F0B2428
SHA1:	1C1050590CAECDDF66F9AC1E89E0E27FACFA6D3F
SHA256:	33473B5680B2824ACB87317D410793B9BEB9D00478CD8439F60F3BFB9952A67C
SSDEEP:	24576:fWjhApfXt2zs2Pir2SXAf8BBB8ShA08XD:oA2vPiFs08T

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 (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
- Loads dropped or rewritten executable
  - explorer.exe (PID: 116)
  - SearchProtocolHost.exe (PID: 1200)
- Loads the Task Scheduler COM API
  - schtasks.exe (PID: 3356)
  - schtasks.exe (PID: 2304)
- Changes the autorun value in the registry
  - FN Checker.exe (PID: 4092)
- NanoCore was detected
  - FN Checker.exe (PID: 4092)
- Application was dropped or rewritten from another process
  - FN Checker.exe (PID: 4092)
- Uses Task Scheduler to run other applications
  - FN Checker.exe (PID: 4092)
- Actions looks like stealing of personal data
  - vbc.exe (PID: 3764)
- Connects to CnC server
  - FN Checker.exe (PID: 4092)
SUSPICIOUS
- Executable content was dropped or overwritten
  - FN Checker.exe (PID: 4092)
  - WinRAR.exe (PID: 2944)
- Creates files in the program directory
  - FN Checker.exe (PID: 4092)
- Creates files in the user directory
  - FN Checker.exe (PID: 4092)
- Connects to unusual port
  - FN Checker.exe (PID: 4092)
- Executes scripts
  - FN Checker.exe (PID: 4092)
- Loads DLL from Mozilla Firefox
  - vbc.exe (PID: 2916)
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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipFileName:	Fortnite Checker/xNet.dll
ZipUncompressedSize:	119296
ZipCompressedSize:	119296
ZipCRC:	0xdb1bf47f
ZipModifyDate:	2016:02:20 17:30:04
ZipCompression:	None
ZipBitFlag:	0x0808
ZipRequiredVersion:	20

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
2944	"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Fortnite Checker.zip"	C:\Program Files\WinRAR\WinRAR.exe		explorer.exe
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.60.0
1200	"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe6_ Global\UsGthrCtrlFltPipeMssGthrPipe6 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"	C:\Windows\System32\SearchProtocolHost.exe	—	SearchIndexer.exe
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft Windows Search Protocol Host Exit code: 0 Version: 7.00.7600.16385 (win7_rtm.090713-1255)
4092	"C:\Users\admin\Desktop\Fortnite Checker\FN Checker.exe"	C:\Users\admin\Desktop\Fortnite Checker\FN Checker.exe		explorer.exe
User: admin Integrity Level: HIGH
3356	"schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\admin\AppData\Local\Temp\tmpC7EA.tmp"	C:\Windows\system32\schtasks.exe	—	FN Checker.exe
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255)
2304	"schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\admin\AppData\Local\Temp\tmpC8A6.tmp"	C:\Windows\system32\schtasks.exe	—	FN Checker.exe
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255)
116	C:\Windows\Explorer.EXE	C:\Windows\explorer.exe	—	—
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255)
3764	"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\admin\AppData\Local\Temp\ghkx4glo.a13"	c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe		FN Checker.exe
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Visual Basic Command Line Compiler Exit code: 0 Version: 8.0.50727.5420
2916	"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\admin\AppData\Local\Temp\b0h0gs0r.2s0"	c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe	—	FN Checker.exe
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Visual Basic Command Line Compiler Exit code: 0 Version: 8.0.50727.5420

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Total events

1 932

Read events

1 863

Write events

Delete events

Modification events


(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\Fortnite Checker.zip
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(116) explorer.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.zip\OpenWithList
Operation:	write	Name:	a
Value: WinRAR.exe
(PID) Process:	(116) explorer.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.zip\OpenWithList
Operation:	write	Name:	MRUList
Value: a

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
116	explorer.exe	C:\Users\admin\Desktop\Fortnite Checker		—
		MD5:—	SHA256:—
4092	FN Checker.exe	C:\Users\admin\AppData\Local\Temp\tmpC8A6.tmp		—
		MD5:—	SHA256:—
3764	vbc.exe	C:\Users\admin\AppData\Local\Temp\ghkx4glo.a13		—
		MD5:—	SHA256:—
2916	vbc.exe	C:\Users\admin\AppData\Local\Temp\b0h0gs0r.2s0		—
		MD5:—	SHA256:—
4092	FN Checker.exe	C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\task.dat		text
		MD5:BF3C2F1BA9815DF27C80FAA344E8A110	SHA256:C6B83DD94E8B49A0E375B50F0F057CD1A1D84A63A26EF68D8C880E0AE5CE497D
2944	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2944.34370\Fortnite Checker\FN Checker.exe		executable
		MD5:EAF4C5AF6492EBDB360B940303D20506	SHA256:9AE87CE8C7C4211F771CEB177575FA884E8D04F4C3192810E083F99373AA5BE0
2944	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa2944.34370\Fortnite Checker\MailKit.dll		executable
		MD5:A10728B907A634949FA3F685E3BD5352	SHA256:AB583D5E27D47E70906C02110F7480424D2948C34B9C275D84151CF2407C0341
4092	FN Checker.exe	C:\Users\admin\AppData\Local\Temp\tmpC7EA.tmp		xml
		MD5:736099876A74C281F6779676620EFE9F	SHA256:AFFF06B9103C55CAEDA314165ECA5706C21D4952915FF35AD15EC43D3A93DFD6
4092	FN Checker.exe	C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat		text
		MD5:7AE5CA2D29EADAE500DF10628D0CCAA9	SHA256:E59135B08276D0131E66AFFCE4D532216E06469A293374EAB9EB58329A4BEE48
4092	FN Checker.exe	C:\Program Files\TCP Monitor\tcpmon.exe		executable
		MD5:EAF4C5AF6492EBDB360B940303D20506	SHA256:9AE87CE8C7C4211F771CEB177575FA884E8D04F4C3192810E083F99373AA5BE0

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
4092	FN Checker.exe	8.8.8.8:53	—	Google Inc.	US	whitelisted
4092	FN Checker.exe	85.184.173.74:54984	wauf.ddns.net	Aura Fiber OE A/S	DK	malicious

DNS requests

Domain	IP	Reputation
wauf.ddns.net	85.184.173.74	malicious

Threats

PID	Process	Class	Message
4092	FN Checker.exe	A Network Trojan was detected	SC BAD_UNKNOWN Query to a Suspicious *.ddns.net Domain
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 60B
4092	FN Checker.exe	A Network Trojan was detected	MALWARE [PTsecurity] NanoCore.RAT
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 64B
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 60B
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 64B
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 64B
4092	FN Checker.exe	A Network Trojan was detected	SC BAD_UNKNOWN Query to a Suspicious *.ddns.net Domain
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 64B
4092	FN Checker.exe	A Network Trojan was detected	ET TROJAN Possible NanoCore C2 64B

57 ETPRO signatures available at the full report

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No debug info

General Info

Fortnite Checker.zip

391C5049F4B67148D9BE27DA2F0B2428

1C1050590CAECDDF66F9AC1E89E0E27FACFA6D3F

33473B5680B2824ACB87317D410793B9BEB9D00478CD8439F60F3BFB9952A67C

24576:fWjhApfXt2zs2Pir2SXAf8BBB8ShA08XD:oA2vPiFs08T

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

Loads the Task Scheduler COM API

Changes the autorun value in the registry

NanoCore was detected

Application was dropped or rewritten from another process

Uses Task Scheduler to run other applications

Actions looks like stealing of personal data

Connects to CnC server

SUSPICIOUS

Executable content was dropped or overwritten

Creates files in the program directory

Creates files in the user directory

Connects to unusual port

Executes scripts

Loads DLL from Mozilla Firefox

INFO

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Information

Information

Information

Information

Information

Information

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings