Malware analysis FileZilla_3.45.1_win32-setup.exe Malicious activity

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File name:	FileZilla_3.45.1_win32-setup.exe
Full analysis:	https://app.any.run/tasks/a4bd1679-220b-43db-a892-6c8c843a391b
Verdict:	Malicious activity
Analysis date:	October 09, 2019, 15:39:55
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:	A245E389FBA0DAD3BA3F32C0C4343761
SHA1:	D375713E37E07D94CAEEA2B11557D3D100C406E7
SHA256:	D7D644C4FCE3EB9896ED4E07CE969FFC7193BBCE5626AE43F20B6296E8B37D1D
SSDEEP:	196608:ZcZS3P6LWXdW2sj++mhxLxR+mc3rIjsf6iCY0y3as5:ZvP6LW82+iLx/uCYxj5

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 68.0.1 (x86 en-US) (68.0.1)
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
- Loads dropped or rewritten executable
  - FileZilla_3.45.1_win32-setup.exe (PID: 2960)
  - FileZilla_3.45.1_win32-setup.exe (PID: 3328)
  - uninstall.exe (PID: 964)
- Changes the autorun value in the registry
  - FileZilla_3.45.1_win32-setup.exe (PID: 3328)
SUSPICIOUS
- Application launched itself
  - FileZilla_3.45.1_win32-setup.exe (PID: 2960)
- Executable content was dropped or overwritten
  - FileZilla_3.45.1_win32-setup.exe (PID: 2960)
  - uninstall.exe (PID: 964)
  - FileZilla_3.45.1_win32-setup.exe (PID: 3328)
- Creates files in the program directory
  - uninstall.exe (PID: 964)
  - FileZilla_3.45.1_win32-setup.exe (PID: 3328)
- Creates a software uninstall entry
  - FileZilla_3.45.1_win32-setup.exe (PID: 3328)
INFO
- Dropped object may contain Bitcoin addresses
  - FileZilla_3.45.1_win32-setup.exe (PID: 3328)

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

.exe	\|	Win32 Executable MS Visual C++ (generic) (67.4)
.dll	\|	Win32 Dynamic Link Library (generic) (14.2)
.exe	\|	Win32 Executable (generic) (9.7)
.exe	\|	Generic Win/DOS Executable (4.3)
.exe	\|	DOS Executable Generic (4.3)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2018:12:15 23:24:36+01:00
PEType:	PE32
LinkerVersion:	6
CodeSize:	26112
InitializedDataSize:	141824
UninitializedDataSize:	2048
EntryPoint:	0x34a5
OSVersion:	4
ImageVersion:	6
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	3.45.1.0
ProductVersionNumber:	3.45.1.0
FileFlagsMask:	0x0000
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Tim Kosse
FileDescription:	FileZilla FTP Client
FileVersion:	3.45.1
LegalCopyright:	Tim Kosse
OriginalFileName:	FileZilla_3.45.1_win32-setup.exe
ProductName:	FileZilla
ProductVersion:	3.45.1

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	15-Dec-2018 22:24:36
Detected languages:	English - United States
CompanyName:	Tim Kosse
FileDescription:	FileZilla FTP Client
FileVersion:	3.45.1
LegalCopyright:	Tim Kosse
OriginalFilename:	FileZilla_3.45.1_win32-setup.exe
ProductName:	FileZilla
ProductVersion:	3.45.1

DOS Header

Magic number:	MZ
Bytes on last page of file:	0x0090
Pages in file:	0x0003
Relocations:	0x0000
Size of header:	0x0004
Min extra paragraphs:	0x0000
Max extra paragraphs:	0xFFFF
Initial SS value:	0x0000
Initial SP value:	0x00B8
Checksum:	0x0000
Initial IP value:	0x0000
Initial CS value:	0x0000
Overlay number:	0x0000
OEM identifier:	0x0000
OEM information:	0x0000
Address of NE header:	0x000000D8

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	5
Time date stamp:	15-Dec-2018 22:24:36
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00E0
Characteristics:	IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_RELOCS_STRIPPED

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x00006409	0x00006600	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.41619
.rdata	0x00008000	0x00001396	0x00001400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.15491
.data	0x0000A000	0x00020358	0x00000600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	4.0044
.ndata	0x0002B000	0x00039000	0x00000000	IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0
.rsrc	0x00064000	0x0000A3A0	0x0000A400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	6.57286

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.29611	1059	UNKNOWN	English - United States	RT_MANIFEST
2	3.69314	9640	UNKNOWN	English - United States	RT_ICON
3	5.16834	3752	UNKNOWN	English - United States	RT_ICON
4	4.66044	2216	UNKNOWN	English - United States	RT_ICON
5	2.91531	1384	UNKNOWN	English - United States	RT_ICON
102	2.71813	180	UNKNOWN	English - United States	RT_DIALOG
103	2.63186	76	UNKNOWN	English - United States	RT_GROUP_ICON
104	2.70411	344	UNKNOWN	English - United States	RT_DIALOG
105	2.73893	514	UNKNOWN	English - United States	RT_DIALOG
106	2.91148	248	UNKNOWN	English - United States	RT_DIALOG

Imports


ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll

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

964

"C:\Program Files\FileZilla FTP Client\uninstall.exe" /frominstall /keepstartmenudir _?=C:\Program Files\FileZilla FTP Client

C:\Program Files\FileZilla FTP Client\uninstall.exe

FileZilla_3.45.1_win32-setup.exe

User:

admin

Company:

Tim Kosse

Integrity Level:

HIGH

Description:

FileZilla FTP Client

Exit code:

Version:

3.36.0

Modules

Images
c:\program files\filezilla ftp client\uninstall.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\shlwapi.dll

2960

"C:\Users\admin\AppData\Local\Temp\FileZilla_3.45.1_win32-setup.exe"

C:\Users\admin\AppData\Local\Temp\FileZilla_3.45.1_win32-setup.exe

explorer.exe

User:

admin

Company:

Tim Kosse

Integrity Level:

MEDIUM

Description:

FileZilla FTP Client

Exit code:

Version:

3.45.1

Modules

Images
c:\users\admin\appdata\local\temp\filezilla_3.45.1_win32-setup.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\shell32.dll

3328

"C:\Users\admin\AppData\Local\Temp\FileZilla_3.45.1_win32-setup.exe" /UAC:150140 /NCRC

C:\Users\admin\AppData\Local\Temp\FileZilla_3.45.1_win32-setup.exe

FileZilla_3.45.1_win32-setup.exe

User:

admin

Company:

Tim Kosse

Integrity Level:

HIGH

Description:

FileZilla FTP Client

Exit code:

Version:

3.45.1

Modules

Images
c:\users\admin\appdata\local\temp\filezilla_3.45.1_win32-setup.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll

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Total events

1 062

Read events

1 009

Write events

Delete events

Modification events


(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\shellex\CopyHookHandlers\FileZilla3CopyHook
Operation:	delete key	Name:
Value:
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB70412E-EEC9-479C-BBA9-BE36BFDDA41B}\InProcServer32
Operation:	delete key	Name:
Value:
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{DB70412E-EEC9-479C-BBA9-BE36BFDDA41B}
Operation:	delete key	Name:
Value:
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\FileZilla 3\fzshellext
Operation:	delete value	Name:	Enable
Value: 1
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\FileZilla 3\fzshellext
Operation:	delete key	Name:
Value:
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\FileZilla 3
Operation:	delete key	Name:
Value:
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:	write	Name:	GlobalAssocChangedCounter
Value: 65
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:	write	Name:	GlobalAssocChangedCounter
Value: 66
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:	write	Name:	GlobalAssocChangedCounter
Value: 67
(PID) Process:	(964) uninstall.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager
Operation:	write	Name:	PendingFileRenameOperations
Value: \??\C:\Program Files\FileZilla FTP Client\fzshellext.dll

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Executable files

Suspicious files

112

Text files

688

Unknown types

Dropped files

PID	Process	Filename		Type
964	uninstall.exe	C:\Users\admin\AppData\Local\Temp\nsr8F9A.tmp		—
		MD5:—	SHA256:—
3328	FileZilla_3.45.1_win32-setup.exe	C:\Program Files\FileZilla FTP Client\fzsftp.exe		executable
		MD5:—	SHA256:—
3328	FileZilla_3.45.1_win32-setup.exe	C:\Program Files\FileZilla FTP Client\fzputtygen.exe		executable
		MD5:—	SHA256:—
3328	FileZilla_3.45.1_win32-setup.exe	C:\Users\admin\AppData\Local\Temp\nsj7DE7.tmp\UAC.dll		executable
		MD5:ADB29E6B186DAA765DC750128649B63D	SHA256:2F7F8FC05DC4FD0D5CDA501B47E4433357E887BBFED7292C028D99C73B52DC08
2960	FileZilla_3.45.1_win32-setup.exe	C:\Users\admin\AppData\Local\Temp\nsi7ADA.tmp\System.dll		executable
		MD5:0D7AD4F45DC6F5AA87F606D0331C6901	SHA256:3EB38AE99653A7DBC724132EE240F6E5C4AF4BFE7C01D31D23FAF373F9F2EACA
2960	FileZilla_3.45.1_win32-setup.exe	C:\Users\admin\AppData\Local\Temp\nsi7ADA.tmp\UAC.dll		executable
		MD5:ADB29E6B186DAA765DC750128649B63D	SHA256:2F7F8FC05DC4FD0D5CDA501B47E4433357E887BBFED7292C028D99C73B52DC08
3328	FileZilla_3.45.1_win32-setup.exe	C:\Users\admin\AppData\Local\Temp\nsj7DE7.tmp\System.dll		executable
		MD5:0D7AD4F45DC6F5AA87F606D0331C6901	SHA256:3EB38AE99653A7DBC724132EE240F6E5C4AF4BFE7C01D31D23FAF373F9F2EACA
3328	FileZilla_3.45.1_win32-setup.exe	C:\Users\admin\AppData\Local\Temp\nsj7DE7.tmp\modern-wizard.bmp		image
		MD5:CBE40FD2B1EC96DAEDC65DA172D90022	SHA256:3AD2DC318056D0A2024AF1804EA741146CFC18CC404649A44610CBF8B2056CF2
964	uninstall.exe	C:\Users\admin\AppData\Local\Temp\nsw8FBA.tmp\modern-wizard.bmp		image
		MD5:CBE40FD2B1EC96DAEDC65DA172D90022	SHA256:3AD2DC318056D0A2024AF1804EA741146CFC18CC404649A44610CBF8B2056CF2
964	uninstall.exe	C:\Users\admin\AppData\Local\Temp\nsw8FBA.tmp\System.dll		executable
		MD5:17ED1C86BD67E78ADE4712BE48A7D2BD	SHA256:BD046E6497B304E4EA4AB102CAB2B1F94CE09BDE0EEBBA4C59942A732679E4EB

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

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

FileZilla_3.45.1_win32-setup.exe

A245E389FBA0DAD3BA3F32C0C4343761

D375713E37E07D94CAEEA2B11557D3D100C406E7

D7D644C4FCE3EB9896ED4E07CE969FFC7193BBCE5626AE43F20B6296E8B37D1D

196608:ZcZS3P6LWXdW2sj++mhxLxR+mc3rIjsf6iCY0y3as5:ZvP6LW82+iLx/uCYxj5

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

Changes the autorun value in the registry

SUSPICIOUS

Application launched itself

Executable content was dropped or overwritten

Creates files in the program directory

Creates a software uninstall entry

INFO

Dropped object may contain Bitcoin addresses

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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