Malware analysis Tftpd32-4.64-setup.exe Malicious activity

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File name:	Tftpd32-4.64-setup.exe
Full analysis:	https://app.any.run/tasks/21316307-e9ab-44fb-b7d7-5cc03dca29ff
Verdict:	Malicious activity
Analysis date:	August 16, 2019, 05:47:23
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:	4A77C0A4701C751144D2D6161935F7F7
SHA1:	77D4D5E42D37C5389FC74BB0DFCF9D5B35A6DCE2
SHA256:	2DE0849E81686EF91AB4DFCA1C589247C7D8EDB937051B2DD3D4B9F16C8CB3FC
SSDEEP:	12288:sJ+gA6RPCuLmMl06EpwUG5IAeKPOFwTM84qpcy+qtv2tSoTqLQby463:swgA6RPCUmMlQqIWWFA4qphN28o+LQeb

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:: 180 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 120 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 (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
- Application was dropped or rewritten from another process
  - Tftpd32.exe (PID: 2616)
  - tftpd32.exe (PID: 776)
  - tftpd32.exe (PID: 1344)
  - tftpd32.exe (PID: 3020)
SUSPICIOUS
- Creates files in the program directory
  - Tftpd32-4.64-setup.exe (PID: 1512)
- Executable content was dropped or overwritten
  - Tftpd32-4.64-setup.exe (PID: 1512)
- Creates files in the user directory
  - Tftpd32-4.64-setup.exe (PID: 1512)
  - filezilla.exe (PID: 4024)
- Creates a software uninstall entry
  - Tftpd32-4.64-setup.exe (PID: 1512)
INFO
- Manual execution by user
  - tftpd32.exe (PID: 776)
  - tftpd32.exe (PID: 1344)
  - filezilla.exe (PID: 4024)
  - tftpd32.exe (PID: 3020)
- Dropped object may contain Bitcoin addresses
  - Tftpd32-4.64-setup.exe (PID: 1512)

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) (42.2)
.exe	\|	Win64 Executable (generic) (37.3)
.dll	\|	Win32 Dynamic Link Library (generic) (8.8)
.exe	\|	Win32 Executable (generic) (6)
.exe	\|	Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2016:04:02 05:20:13+02:00
PEType:	PE32
LinkerVersion:	6
CodeSize:	24576
InitializedDataSize:	164864
UninitializedDataSize:	1024
EntryPoint:	0x312a
OSVersion:	4
ImageVersion:	6
SubsystemVersion:	4
Subsystem:	Windows GUI

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	02-Apr-2016 03:20:13
Detected languages:	English - United States

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:	0x000000C8

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	5
Time date stamp:	02-Apr-2016 03:20:13
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	0x00005E66	0x00006000	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.44066
.rdata	0x00007000	0x000012A2	0x00001400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.05833
.data	0x00009000	0x00025D18	0x00000600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	4.18773
.ndata	0x0002F000	0x00008000	0x00000000	IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0
.rsrc	0x00037000	0x000013C8	0x00001400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.28935

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.19285	727	UNKNOWN	English - United States	RT_MANIFEST
2	2.76386	296	UNKNOWN	English - United States	RT_ICON
102	2.74309	184	UNKNOWN	English - United States	RT_DIALOG
103	1.97134	34	UNKNOWN	English - United States	RT_GROUP_ICON
104	2.6935	316	UNKNOWN	English - United States	RT_DIALOG
105	2.66174	256	UNKNOWN	English - United States	RT_DIALOG
106	2.89971	284	UNKNOWN	English - United States	RT_DIALOG
107	2.62276	196	UNKNOWN	English - United States	RT_DIALOG
110	3.22336	872	UNKNOWN	English - United States	RT_BITMAP
111	2.48825	96	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

776

"C:\Program Files\Tftpd32\tftpd32.exe"

C:\Program Files\Tftpd32\tftpd32.exe

explorer.exe

User:

admin

Company:

Ph. Jounin

Integrity Level:

MEDIUM

Description:

TFTP server

Exit code:

Modules

Images
c:\program files\tftpd32\tftpd32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll

1344

"C:\Program Files\Tftpd32\tftpd32.exe"

C:\Program Files\Tftpd32\tftpd32.exe

explorer.exe

User:

admin

Company:

Ph. Jounin

Integrity Level:

MEDIUM

Description:

TFTP server

Exit code:

Modules

Images
c:\program files\tftpd32\tftpd32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll

1512

"C:\Users\admin\AppData\Local\Temp\Tftpd32-4.64-setup.exe"

C:\Users\admin\AppData\Local\Temp\Tftpd32-4.64-setup.exe

explorer.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\tftpd32-4.64-setup.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll

2616

"C:\Program Files\Tftpd32\Tftpd32.exe"

C:\Program Files\Tftpd32\Tftpd32.exe

Tftpd32-4.64-setup.exe

User:

admin

Company:

Ph. Jounin

Integrity Level:

HIGH

Description:

TFTP server

Exit code:

Modules

Images
c:\program files\tftpd32\tftpd32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll

3020

"C:\Program Files\Tftpd32\tftpd32.exe"

C:\Program Files\Tftpd32\tftpd32.exe

explorer.exe

User:

admin

Company:

Ph. Jounin

Integrity Level:

MEDIUM

Description:

TFTP server

Exit code:

Modules

Images
c:\program files\tftpd32\tftpd32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll

3684

"C:\Users\admin\AppData\Local\Temp\Tftpd32-4.64-setup.exe"

C:\Users\admin\AppData\Local\Temp\Tftpd32-4.64-setup.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221226540

Modules

Images
c:\users\admin\appdata\local\temp\tftpd32-4.64-setup.exe
c:\systemroot\system32\ntdll.dll

4024

"C:\Program Files\FileZilla FTP Client\filezilla.exe"

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

—

explorer.exe

User:

admin

Company:

FileZilla Project

Integrity Level:

MEDIUM

Description:

FileZilla FTP Client

Exit code:

Version:

3, 36, 0, 0

Modules

Images
c:\program files\filezilla ftp client\filezilla.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\filezilla ftp client\libfilezilla-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll

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Total events

786

Read events

780

Write events

Delete events

Modification events


(PID) Process:	(1512) Tftpd32-4.64-setup.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Tftpd32
Operation:	write	Name:	Install_Dir
Value: C:\Program Files\Tftpd32
(PID) Process:	(1512) Tftpd32-4.64-setup.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Tftpd32
Operation:	write	Name:	DisplayName
Value: Tftpd32 Standalone Edition (remove only)
(PID) Process:	(1512) Tftpd32-4.64-setup.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Tftpd32
Operation:	write	Name:	UninstallString
Value: "C:\Program Files\Tftpd32\uninstall.exe"
(PID) Process:	(1512) Tftpd32-4.64-setup.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Tftpd32
Operation:	write	Name:	NoModify
Value: 1
(PID) Process:	(1512) Tftpd32-4.64-setup.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Tftpd32
Operation:	write	Name:	NoRepair
Value: 1
(PID) Process:	(2616) Tftpd32.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Tftpd32
Operation:	write	Name:	LastWindowPos
Value: 613 218 1018 559

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
4024	filezilla.exe	C:\Users\admin\AppData\Roaming\FileZilla\layout.xml~		—
		MD5:—	SHA256:—
4024	filezilla.exe	C:\Users\admin\AppData\Roaming\FileZilla\filezilla.xml~		—
		MD5:—	SHA256:—
1512	Tftpd32-4.64-setup.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Tftpd32\Tftpd32 Settings.lnk		lnk
		MD5:—	SHA256:—
1512	Tftpd32-4.64-setup.exe	C:\Program Files\Tftpd32\tftpd32.ini		text
		MD5:C973075D00B0BF2D5C4CB18155AD92FB	SHA256:0C00CBDAE4E3F2F430CA803E2E08BB3CBBA4E83CF9024DBB64DA212B8034E60D
4024	filezilla.exe	C:\Users\admin\AppData\Roaming\FileZilla\layout.xml		xml
		MD5:—	SHA256:—
4024	filezilla.exe	C:\Users\admin\AppData\Roaming\FileZilla\filezilla.xml		xml
		MD5:—	SHA256:—
1512	Tftpd32-4.64-setup.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Tftpd32\Uninstall.lnk		lnk
		MD5:—	SHA256:—
1512	Tftpd32-4.64-setup.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Tftpd32\Tftpd32.lnk		lnk
		MD5:—	SHA256:—
2616	Tftpd32.exe	C:\Program Files\Tftpd32\Tftpd32.ini		text
		MD5:—	SHA256:—
1512	Tftpd32-4.64-setup.exe	C:\Users\admin\Desktop\Tftpd32.lnk		lnk
		MD5:—	SHA256:—

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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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Process	Message
Tftpd32.exe	Th 3320 :opening comm socket
Tftpd32.exe	Th 3320 :Console disconnected
Tftpd32.exe	Th 3196 :Port 17152 may be reused
Tftpd32.exe	Th 2628 :connected to console
Tftpd32.exe	Th 3320 :Verify Console/GUI parameters
Tftpd32.exe	Th 2628 :GUI Version check OK
Tftpd32.exe	Th 3320 :Version check OK
Tftpd32.exe	Th 3320 :Console connected
Tftpd32.exe	Th 3352 :Scheduler signal received
Tftpd32.exe	Th 2628 :GUI: new service 4 status 4

General Info

Tftpd32-4.64-setup.exe

4A77C0A4701C751144D2D6161935F7F7

77D4D5E42D37C5389FC74BB0DFCF9D5B35A6DCE2

2DE0849E81686EF91AB4DFCA1C589247C7D8EDB937051B2DD3D4B9F16C8CB3FC

12288:sJ+gA6RPCuLmMl06EpwUG5IAeKPOFwTM84qpcy+qtv2tSoTqLQby463:swgA6RPCUmMlQqIWWFA4qphN28o+LQeb

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

SUSPICIOUS

Creates files in the program directory

Executable content was dropped or overwritten

Creates files in the user directory

Creates a software uninstall entry

INFO

Manual execution by user

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

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