Malware analysis WinAuth.exe Malicious activity | ANY.RUN

Add for printing

File name:	WinAuth.exe
Full analysis:	https://app.any.run/tasks/daf94887-bd52-41b2-a6b6-983610dbead7
Verdict:	Malicious activity
Analysis date:	June 07, 2019, 07:44:59
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:	3C8B42FF6BC4822FC6D874F6F21230DD
SHA1:	D4AD4481010F4E483AC774D69C3D26A1C15BB4AA
SHA256:	EB08274C182AB8B68B375D06F35109AF7C6C034F9D06C1AC81E26552D9D81D45
SSDEEP:	49152:zKDcNv5/1CyKG5iNjqBbzsXSJ6wsNpONV98Jg9EkjBAZGept+SnxbGr3bj8ptYkH:k1GwAAX+6wQp6V9829EkjpWoFPZ43

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 (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

Add for printing

MALICIOUS
- Changes settings of System certificates
  - WinAuth.exe (PID: 3208)
SUSPICIOUS
- Adds / modifies Windows certificates
  - WinAuth.exe (PID: 3208)
- Creates files in the user directory
  - WinAuth.exe (PID: 3208)
INFO
- Reads settings of System Certificates
  - WinAuth.exe (PID: 3208)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Add for printing

No Malware configuration.

Add for printing

TRiD

.exe	\|	Win64 Executable (generic) (49.4)
.scr	\|	Windows screen saver (23.4)
.dll	\|	Win32 Dynamic Link Library (generic) (11.7)
.exe	\|	Win32 Executable (generic) (8)
.exe	\|	Generic Win/DOS Executable (3.5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2016:06:07 18:44:19+02:00
PEType:	PE32
LinkerVersion:	8
CodeSize:	5740032
InitializedDataSize:	34304
UninitializedDataSize:	-
EntryPoint:	0x57b48a
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	3.5.1.2
ProductVersionNumber:	3.5.1.2
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	WinAuth - The Windows Authenticator
CompanyName:	-
FileDescription:	WinAuth
FileVersion:	3.5.1.2
InternalName:	WinAuth.exe
LegalCopyright:	Copyright © 2016. Colin Mackie. All rights reserved.
LegalTrademarks:	-
OriginalFileName:	WinAuth.exe
ProductName:	WinAuth
ProductVersion:	3.5.1.2
AssemblyVersion:	3.5.1.2

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	07-Jun-2016 16:44:19
Debug artifacts:	F:\cdm\Projects\WinAuth\downloads\WinAuth.pdb

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:	0x00000080

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	3
Time date stamp:	07-Jun-2016 16:44:19
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00E0
Characteristics:	IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00002000	0x00579502	0x00579600	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.02405
.rsrc	0x0057C000	0x0000822E	0x00008400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.01232
.reloc	0x00586000	0x0000000C	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	0.10191

Resources

Title	Entropy	Size	Codepage	Language	Type
1	3.42972	920	UNKNOWN	UNKNOWN	RT_VERSION
2	5.69752	4264	UNKNOWN	UNKNOWN	RT_ICON
3	5.26066	9640	UNKNOWN	UNKNOWN	RT_ICON
4	4.69521	16936	UNKNOWN	UNKNOWN	RT_ICON
32512	2.62308	62	UNKNOWN	UNKNOWN	RT_GROUP_ICON

Imports


mscoree.dll

No data.

Add for printing

All screenshots are available in the full report

Add for printing

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

3208

"C:\Users\admin\AppData\Local\Temp\WinAuth.exe"

C:\Users\admin\AppData\Local\Temp\WinAuth.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

WinAuth

Exit code:

Version:

3.5.1.2

Modules

Images
c:\users\admin\appdata\local\temp\winauth.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

Add for printing

Total events

101

Read events

Write events

Delete events

Modification events


(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_CURRENT_USER\Software\WinAuth3
Operation:	write	Name:	UpdateCheckFrequency
Value: 0:00:00
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_CURRENT_USER\Software\WinAuth3
Operation:	write	Name:	LastUpdateCheck
Value: 636954939194118750
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_CURRENT_USER\Software\WinAuth3
Operation:	write	Name:	LastUpdateCheck
Value: 636954939194275000
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASAPI32
Operation:	write	Name:	FileTracingMask
Value: 4294901760
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value: 4294901760
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(3208) WinAuth.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinAuth_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0

Add for printing

Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3208	WinAuth.exe	C:\Users\admin\AppData\Local\Temp\CabA755.tmp		—
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\Local\Temp\TarA756.tmp		—
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\Local\Temp\CabA777.tmp		—
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\Local\Temp\TarA778.tmp		—
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\Local\Temp\CabA824.tmp		—
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\Local\Temp\TarA825.tmp		—
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015		binary
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015		compressed
		MD5:—	SHA256:—
3208	WinAuth.exe	C:\Users\admin\AppData\Roaming\WinAuth\winauth.xml		xml
		MD5:—	SHA256:—

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Add for printing

HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
3208	WinAuth.exe	GET	200	172.217.22.4:80	http://www.google.com/	US	html	45.9 Kb	malicious
3208	WinAuth.exe	GET	200	172.217.22.4:80	http://www.google.com/	US	html	45.9 Kb	malicious
3208	WinAuth.exe	GET	200	205.185.216.42:80	http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab	US	compressed	56.2 Kb	whitelisted
3208	WinAuth.exe	GET	200	205.185.216.42:80	http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/3E2BF7F2031B96F38CE6C4D8A85D3E2D58476A0F.crt	US	der	1.95 Kb	whitelisted
3208	WinAuth.exe	GET	404	104.192.110.244:80	http://www.startssl.com/sfsca.crt	US	html	162 b	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3208	WinAuth.exe	162.255.119.109:443	winauth.com	Namecheap, Inc.	US	suspicious
3208	WinAuth.exe	172.217.22.4:80	www.google.com	Google Inc.	US	whitelisted
3208	WinAuth.exe	104.192.110.244:80	www.startssl.com	Beijing Qihu Technology Company Limited	US	unknown
3208	WinAuth.exe	205.185.216.42:80	www.download.windowsupdate.com	Highwinds Network Group, Inc.	US	whitelisted

DNS requests

Domain	IP	Reputation
winauth.com	162.255.119.109	suspicious
www.google.com	172.217.22.4	malicious
www.startssl.com	104.192.110.244	whitelisted
www.download.windowsupdate.com	205.185.216.42 205.185.216.10	whitelisted

Threats

No threats detected

Add for printing

No debug info

General Info

WinAuth.exe

3C8B42FF6BC4822FC6D874F6F21230DD

D4AD4481010F4E483AC774D69C3D26A1C15BB4AA

EB08274C182AB8B68B375D06F35109AF7C6C034F9D06C1AC81E26552D9D81D45

49152:zKDcNv5/1CyKG5iNjqBbzsXSJ6wsNpONV98Jg9EkjBAZGept+SnxbGr3bj8ptYkH:k1GwAAX+6wQp6V9829EkjpWoFPZ43

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes settings of System certificates

SUSPICIOUS

Adds / modifies Windows certificates

Creates files in the user directory

INFO

Reads settings of System Certificates

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings