Malware analysis wrar550.exe Malicious activity | ANY.RUN

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File name:	wrar550.exe
Full analysis:	https://app.any.run/tasks/92bee9f3-2b1c-4b79-a925-2ad25cf6e60e
Verdict:	Malicious activity
Analysis date:	March 12, 2018, 18:44:00
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
MD5:	47A7FC69D364A66E6F6A50BCF93ED62D
SHA1:	6A486084D9181D7E8EF00F60164B7AA6719EB146
SHA256:	6BB291C6D58F7B7E01E3717EA68F555DB2620D98644D31914EA09BB10A61B35A
SSDEEP:	49152:We6OmrOQP3cRp33U/A9Ly4iXN7/183gHvcS1bJX:We65cfn+A9LyZ7d8QPcGN

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:

Software preset

Internet Explorer 8.0.7601.17514 undefined
7-Zip 16.04 (16.04)
Adobe Acrobat Reader DC MUI (15.007.20033)
Adobe Flash Player 26 ActiveX (26.0.0.137)
CCleaner (5.35)
Google Chrome (61.0.3163.100)
Google Update Helper (1.3.33.5)
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 Home and Business 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 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++ 2005 Redistributable (8.0.61001)
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++ 2012 Redistributable (x86) - 11.0.61030 (11.0.61030.0)
Microsoft Visual C++ 2012 x86 Additional Runtime - 11.0.61030 (11.0.61030)
Microsoft Visual C++ 2012 x86 Minimum Runtime - 11.0.61030 (11.0.61030)
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) - 14.12.25810 (14.12.25810.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.12.25810 (14.12.25810)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.12.25810 (14.12.25810)
Mozilla Firefox 55.0.3 (x86 en-US) (55.0.3)
Mozilla Maintenance Service (55.0.3)
Notepad++ (32-bit x86) (7.5.4)
Opera 12.15 (12.15.1748)
Skype™ 7.39 (7.39.102)
VLC media player (2.2.6)

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
WinMan WinIP Package TopLevel

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MALICIOUS
- Application was dropped or rewritten from another process
  - uninstall.exe (PID: 3844)
SUSPICIOUS
- Reads internet explorer settings
  - wrar550.exe (PID: 3612)
- Modifies the open verb of a shell class
  - uninstall.exe (PID: 3844)
- Creates COM task schedule object
  - uninstall.exe (PID: 3844)
- Creates files in the user directory
  - uninstall.exe (PID: 3844)
- Creates files in the program directory
  - wrar550.exe (PID: 3612)
  - uninstall.exe (PID: 3844)
- Creates a software uninstall entry
  - uninstall.exe (PID: 3844)
INFO
- Loads rich edit control libraries
  - wrar550.exe (PID: 3612)
  - uninstall.exe (PID: 3844)
- Dropped object may contain URL's
  - wrar550.exe (PID: 3612)

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	\|	Win64 Executable (generic) (64.6)
.dll	\|	Win32 Dynamic Link Library (generic) (15.4)
.exe	\|	Win32 Executable (generic) (10.5)
.exe	\|	Generic Win/DOS Executable (4.6)
.exe	\|	DOS Executable Generic (4.6)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2017:08:11 15:54:17+02:00
PEType:	PE32
LinkerVersion:	14
CodeSize:	187392
InitializedDataSize:	202752
UninitializedDataSize:	-
EntryPoint:	0x1c869
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows GUI

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	11-Aug-2017 13:54:17
Detected languages:	English - United States
Debug artifacts:	D:\Projects\WinRAR\sfx\setup\build\sfxrar32\Release\sfxrar.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:	0x00000108

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	6
Time date stamp:	11-Aug-2017 13:54:17
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00E0
Characteristics:	IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x0002DB7A	0x0002DC00	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.70822
.rdata	0x0002F000	0x00009800	0x00009800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.15041
.data	0x00039000	0x0001F278	0x00000C00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	3.19715
.gfids	0x00059000	0x000000E8	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	2.12008
.rsrc	0x0005A000	0x00007000	0x00006A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.32636
.reloc	0x00061000	0x00001F0C	0x00002000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	6.61645

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.26297	1872	UNKNOWN	English - United States	RT_MANIFEST
2	4.38314	1384	UNKNOWN	English - United States	RT_ICON
3	3.38848	744	UNKNOWN	English - United States	RT_ICON
4	3.48636	296	UNKNOWN	English - United States	RT_ICON
7	3.11482	376	UNKNOWN	English - United States	RT_STRING
8	3.14988	436	UNKNOWN	English - United States	RT_STRING
9	3.16863	434	UNKNOWN	English - United States	RT_STRING
10	2.99727	326	UNKNOWN	English - United States	RT_STRING
11	3.06856	470	UNKNOWN	English - United States	RT_STRING
12	2.86396	214	UNKNOWN	English - United States	RT_STRING

Imports


COMCTL32.dll (delay-loaded)
KERNEL32.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

2884

"C:\Users\admin\AppData\Local\Temp\wrar550.exe"

C:\Users\admin\AppData\Local\Temp\wrar550.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221226540

3612

"C:\Users\admin\AppData\Local\Temp\wrar550.exe"

C:\Users\admin\AppData\Local\Temp\wrar550.exe

explorer.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\wrar550.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sfc_os.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\rsaenh.dll

3844

"C:\Program Files\WinRAR\uninstall.exe" /setup

C:\Program Files\WinRAR\uninstall.exe

—

wrar550.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

HIGH

Description:

Uninstall WinRAR

Exit code:

Version:

5.50.0

Modules

Images
c:\program files\winrar\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\advapi32.dll

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Total events

466

Read events

228

Write events

238

Delete events

Modification events


(PID) Process:	(3612) wrar550.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(3612) wrar550.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(3612) wrar550.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR SFX
Operation:	write	Name:	C%%Program Files%WinRAR
Value: C:\Program Files\WinRAR
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.rar
Operation:	write	Name:	Set
Value: 1
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.zip
Operation:	write	Name:	Set
Value: 1
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.cab
Operation:	write	Name:	Set
Value: 1
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.arj
Operation:	write	Name:	Set
Value: 1
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.lz
Operation:	write	Name:	Set
Value: 1
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.lzh
Operation:	write	Name:	Set
Value: 1
(PID) Process:	(3844) uninstall.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Setup\.ace
Operation:	write	Name:	Set
Value: 1

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3612	wrar550.exe	C:\Program Files\WinRAR\ReadMe.txt		text
		MD5:6A697FE386885EA78AB05AD1BD4A96EB	SHA256:25C6C5F336B404579889549B10A45F5E32CE5844A5A5A29075168D460D025BD2
3612	wrar550.exe	C:\Program Files\WinRAR\Uninstall.exe		executable
		MD5:—	SHA256:—
3612	wrar550.exe	C:\Program Files\WinRAR\WinRAR.exe		executable
		MD5:—	SHA256:—
3612	wrar550.exe	C:\Program Files\WinRAR\Descript.ion		text
		MD5:00108204DCD800042FEF0A27E45A4332	SHA256:C1B109BA7C58FD6F3EFF876E35A877A5E13C36F5AC6DD714B5D239F169A8F068
3612	wrar550.exe	C:\Program Files\WinRAR\UnRAR.exe		executable
		MD5:C57CB8BB5996C484A4001625217E02EC	SHA256:BDE482AAB0AD49ABCF46CB0A3D7FD44A2F6E8E649ACF57E66C59085426A86504
3612	wrar550.exe	C:\Program Files\WinRAR\WinRAR.chm		chm
		MD5:1E7A61E1EF2E8FA4F05F61B872487175	SHA256:5A50522957DEE36439AB53A0B8B482F4622F1F95DA4A1A5531C49189383A432F
3612	wrar550.exe	C:\Program Files\WinRAR\Rar.exe		executable
		MD5:4567ABA92BA845374580443B56C8F4F6	SHA256:C5678EE1A448B8A5FB437EC637AA1EDCDE1CF423C153FFB62AB8E1244D815E35
3612	wrar550.exe	C:\Program Files\WinRAR\Default.SFX		executable
		MD5:6E45ECF99DE7C1C9DB437F2E9901C590	SHA256:68901CC8929C6B1752AD59A5D8D4A7EBB368FEEE08755EEA5615F4828CA343E4
3612	wrar550.exe	C:\Program Files\WinRAR\RarExt.dll		executable
		MD5:958C2BF305BD337BB567FD3FEE97757C	SHA256:EA604DF80384ED3E2EE7651FBC5A9277A06C80952DA6AD8D059730F1024F90D4
3612	wrar550.exe	C:\Program Files\WinRAR\RarExt64.dll		executable
		MD5:B95315FFD66A341B5DABDD6B93D6EB25	SHA256:D1D93093F9109233E9E9FEDC9D61ED2702DF8905B7A3372671D5DC948748FFA6

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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

wrar550.exe

47A7FC69D364A66E6F6A50BCF93ED62D

6A486084D9181D7E8EF00F60164B7AA6719EB146

6BB291C6D58F7B7E01E3717EA68F555DB2620D98644D31914EA09BB10A61B35A

49152:We6OmrOQP3cRp33U/A9Ly4iXN7/183gHvcS1bJX:We65cfn+A9LyZ7d8QPcGN

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

SUSPICIOUS

Reads internet explorer settings

Modifies the open verb of a shell class

Creates COM task schedule object

Creates files in the user directory

Creates files in the program directory

Creates a software uninstall entry

INFO

Loads rich edit control libraries

Dropped object may contain URL's

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

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings