Malware analysis Fort Skin Checker.exe Malicious activity

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File name:	Fort Skin Checker.exe
Full analysis:	https://app.any.run/tasks/045c6f3f-67cd-4fe0-9f02-fa1568563da7
Verdict:	Malicious activity
Analysis date:	September 11, 2019, 00:01:43
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, UPX compressed
MD5:	379EE5CF2A52037378401A6B7868B711
SHA1:	7C662ED02657D3BB5B39270ECA6B4DA6A8EA1EDD
SHA256:	FD80FA4312337CDCB8B91A8F3C1A069C5A0BE2B36119E9D4C8F7A1FA3CAFA67C
SSDEEP:	12288:T8lUP8P5yeCk9aHWoSkyVCZuHvFf7Kyky3WJrhkWmAdOrPwcIXOIoYEeKm:T8lUkP5T9azy4ZuHvFDKycSWmAd6PwC0

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
- Application was dropped or rewritten from another process
  - winlogin.exe (PID: 3680)
- Changes the autorun value in the registry
  - winlogin.exe (PID: 3680)
  - Fort Skin Checker.exe (PID: 3584)
SUSPICIOUS
- Executable content was dropped or overwritten
  - Fort Skin Checker.exe (PID: 3584)
- Creates files in the program directory
  - Fort Skin Checker.exe (PID: 3584)
INFO
- Dropped object may contain Bitcoin addresses
  - Fort Skin Checker.exe (PID: 3584)

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) (27.3)
.exe	\|	Win64 Executable (generic) (24.2)
.exe	\|	UPX compressed Win32 Executable (23.7)
.scr	\|	Windows screen saver (11.4)
.dll	\|	Win32 Dynamic Link Library (generic) (5.7)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2012:07:14 00:47:16+02:00
PEType:	PE32
LinkerVersion:	9
CodeSize:	241664
InitializedDataSize:	28672
UninitializedDataSize:	258048
EntryPoint:	0x7a120
OSVersion:	5
ImageVersion:	-
SubsystemVersion:	5
Subsystem:	Windows GUI
FileVersionNumber:	63.4.1.5
ProductVersionNumber:	63.4.1.5
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
FileDescription:	Fortnite Skin Checker
FileVersion:	63.4.1.5
InternalName:	Fort Skin Checker.exe
LegalCopyright:	Copyright PLOT© 2019
OriginalFileName:	Fort Skin Checker.exe
ProductVersion:	63.4.1.5
AssemblyVersion:	63.4.1.5

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	13-Jul-2012 22:47:16
TLS Callbacks:	1 callback(s) detected.
FileDescription:	Fortnite Skin Checker
FileVersion:	63.4.1.5
InternalName:	Fort Skin Checker.exe
LegalCopyright:	Copyright PLOT© 2019
OriginalFilename:	Fort Skin Checker.exe
ProductVersion:	63.4.1.5
Assembly Version:	63.4.1.5

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:	0x000000E0

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	5
Time date stamp:	13-Jul-2012 22:47:16
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_LARGE_ADDRESS_AWARE IMAGE_FILE_RELOCS_STRIPPED

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
UPX0	0x00001000	0x0003F000	0x00000000	IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0
UPX1	0x00040000	0x0003B000	0x0003AE00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	7.9978
.rsrc	0x0007B000	0x00007000	0x00006A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	7.73958
.enigma1	0x00082000	0x00001000	0x00027000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	7.88019
.enigma2	0x00083000	0x00040000	0x00040000	IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	5.90197

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.04274	2857	Latin 1 / Western European	UNKNOWN	RT_MANIFEST
2	7.96305	67624	Latin 1 / Western European	UNKNOWN	RT_ICON
3	7.80614	38056	Latin 1 / Western European	UNKNOWN	RT_ICON
4	7.99108	21640	Latin 1 / Western European	UNKNOWN	RT_ICON
5	7.98807	16936	Latin 1 / Western European	UNKNOWN	RT_ICON
6	7.98098	9640	Latin 1 / Western European	UNKNOWN	RT_ICON
7	7.95814	4264	Latin 1 / Western European	UNKNOWN	RT_ICON
8	7.91801	2440	Latin 1 / Western European	UNKNOWN	RT_ICON
9	7.82596	1128	Latin 1 / Western European	UNKNOWN	RT_ICON
32512	2.99612	132	Latin 1 / Western European	UNKNOWN	RT_GROUP_ICON

Imports


SHFolder.dll
advapi32.dll
kernel32.dll
ntdll.dll
ole32.dll
oleaut32.dll
shlwapi.dll
user32.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

2904

"C:\Users\admin\AppData\Local\Temp\Fort Skin Checker.exe"

C:\Users\admin\AppData\Local\Temp\Fort Skin Checker.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Fortnite Skin Checker

Exit code:

3221226540

Version:

63.4.1.5

Modules

Images
c:\users\admin\appdata\local\temp\fort skin checker.exe
c:\systemroot\system32\ntdll.dll

3584

"C:\Users\admin\AppData\Local\Temp\Fort Skin Checker.exe"

C:\Users\admin\AppData\Local\Temp\Fort Skin Checker.exe

explorer.exe

User:

admin

Integrity Level:

HIGH

Description:

Fortnite Skin Checker

Exit code:

Version:

63.4.1.5

Modules

Images
c:\users\admin\appdata\local\temp\fort skin checker.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\advapi32.dll

3680

"C:\ProgramData\winlogin.exe"

C:\ProgramData\winlogin.exe

Fort Skin Checker.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows Login Information

Exit code:

Version:

4.9.11.7

Modules

Images
c:\programdata\winlogin.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

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Total events

7 427

Read events

Write events

7 379

Delete events

Modification events


(PID) Process:	(3584) Fort Skin Checker.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Windows Login Information
Value: C:\ProgramData\winlogin.exe
(PID) Process:	(3584) Fort Skin Checker.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(3584) Fort Skin Checker.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(3680) winlogin.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Windows Login Information
Value: C:\ProgramData\winlogin.exe

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3584	Fort Skin Checker.exe	C:\ProgramData\winlogin.exe		executable
		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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No debug info

General Info

Fort Skin Checker.exe

379EE5CF2A52037378401A6B7868B711

7C662ED02657D3BB5B39270ECA6B4DA6A8EA1EDD

FD80FA4312337CDCB8B91A8F3C1A069C5A0BE2B36119E9D4C8F7A1FA3CAFA67C

12288:T8lUP8P5yeCk9aHWoSkyVCZuHvFf7Kyky3WJrhkWmAdOrPwcIXOIoYEeKm:T8lUkP5T9azy4ZuHvFDKycSWmAd6PwC0

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

Changes the autorun value in the registry

SUSPICIOUS

Executable content was dropped or overwritten

Creates files in the program directory

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