Malware analysis Password_Filter.exe Malicious activity

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File name:	Password_Filter.exe
Full analysis:	https://app.any.run/tasks/ab3ae626-b8d2-4d93-81d9-13d13d123efa
Verdict:	Malicious activity
Analysis date:	January 22, 2019, 18:52:05
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (console) Intel 80386, for MS Windows
MD5:	3231534FC76347221060A6EE13D02122
SHA1:	AF4014DF57055EE1750113420BDECD6ECEB65030
SHA256:	814D2C8CA490384F58334AEAC7F0A1BD62CDFB1BA5E696C1AE147C5A357AA5E1
SSDEEP:	98304:aiMu3wXmTjJ5q9Jt4gy9ImjXE3cPtEBO7oVog1TmUHJP+3yBt9O:9Bw4J5q9D4ImjXEMGBO7oh16UHhUot9

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:: 300 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 240 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 (68.0.3440.106)
Google Update Helper (1.3.33.17)
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 61.0.2 (x86 en-US) (61.0.2)
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

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MALICIOUS
- Loads dropped or rewritten executable
  - Password_Filter.exe (PID: 3964)
SUSPICIOUS
- Executable content was dropped or overwritten
  - Password_Filter.exe (PID: 3076)
- Starts CMD.EXE for commands execution
  - Password_Filter.exe (PID: 3964)
INFO
No info indicators.

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:	2018:09:04 16:42:13+02:00
PEType:	PE32
LinkerVersion:	14
CodeSize:	128000
InitializedDataSize:	172032
UninitializedDataSize:	-
EntryPoint:	0x779a
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows command line

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date:	04-Sep-2018 14:42:13

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:	04-Sep-2018 14:42:13
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_LARGE_ADDRESS_AWARE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x0001F224	0x0001F400	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.65269
.rdata	0x00021000	0x0000B0EC	0x0000B200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	6.10091
.data	0x0002D000	0x0000E680	0x00000A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	1.94098
.gfids	0x0003C000	0x000000B8	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	1.89006
.rsrc	0x0003D000	0x0000EA38	0x0000EC00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	7.29706
.reloc	0x0004C000	0x000017B8	0x00001800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	6.65088

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.58652	3752	UNKNOWN	UNKNOWN	RT_ICON
2	6.05629	2216	UNKNOWN	UNKNOWN	RT_ICON
3	5.5741	1384	UNKNOWN	UNKNOWN	RT_ICON
4	7.95079	37019	UNKNOWN	UNKNOWN	RT_ICON
5	5.29119	9640	UNKNOWN	UNKNOWN	RT_ICON
6	5.43869	4264	UNKNOWN	UNKNOWN	RT_ICON
7	5.89356	1128	UNKNOWN	UNKNOWN	RT_ICON
101	2.71858	104	UNKNOWN	UNKNOWN	RT_GROUP_ICON

Imports


KERNEL32.dll
WS2_32.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

2176

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

—

Password_Filter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

2468

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

—

Password_Filter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

2948

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

—

Password_Filter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

3076

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

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

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\password_filter.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\apphelp.dll

3404

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

—

Password_Filter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

3540

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

—

Password_Filter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

3960

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

—

Password_Filter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

3964

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

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

—

Password_Filter.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\password_filter.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\users\admin\appdata\local\temp\_mei30762\python37.dll

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Total events

Read events

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\base_library.zip		compressed
		MD5:—	SHA256:—
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\_lzma.pyd		executable
		MD5:2A8FFABBEC5E95F8A0BA388265FE57F3	SHA256:1FE26E0940EADB05BAC03BBC553FD9011FDB0C067B8082B896C1D425D17F7542
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\_ssl.pyd		executable
		MD5:36E29BB673D0DD63EDAC4AB90C307C4E	SHA256:9280FE6A4FD3324754548BC19CFAB60AAE8A824E7C7B7BA41592BF1587B29A4B
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\teststrings.exe.manifest		xml
		MD5:—	SHA256:—
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\libssl-1_1.dll		executable
		MD5:A11C90DEFA3969B20B8730450447636C	SHA256:5B24D33EF69546A929B021738018C55EE6CEA62B3DDD8D69A78DCAD4DC5C6255
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\_hashlib.pyd		executable
		MD5:12ABEE03CDA22A296D320789FECFDD22	SHA256:78B2DC72E12EB23B933E9ECF0E750416FF045D1FDF270330650F1EA05C0A4A19
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\_bz2.pyd		executable
		MD5:8CFF8F580A47047643F1311F32A3252E	SHA256:F424B87C901D99B9C4C1CED6BD04A458816CD48ECAD771E743F0D23BC1DDDEAF
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\select.pyd		executable
		MD5:47EE76E87AB88AD190BD8B78029A4E8D	SHA256:8B4D0B17FDC351528ABFCCB8F0E56B7D10F9565FC1ECDC098E6A961C1EEDBEEF
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\_socket.pyd		executable
		MD5:0281B1C65F282411916FB936DF7F7ECD	SHA256:89032E74EB1454BD3BEB212A7ED0AF0EF5D1589F06C793E8E49734DE69F2625A
3076	Password_Filter.exe	C:\Users\admin\AppData\Local\Temp\_MEI30762\pyexpat.pyd		executable
		MD5:120E3801A03698BD7E5149C7AA356797	SHA256:150CD7AD573EEE27CECCF284C41355C95C01DC503DD2B05D99A0D3D12394B608

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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

Password_Filter.exe

3231534FC76347221060A6EE13D02122

AF4014DF57055EE1750113420BDECD6ECEB65030

814D2C8CA490384F58334AEAC7F0A1BD62CDFB1BA5E696C1AE147C5A357AA5E1

98304:aiMu3wXmTjJ5q9Jt4gy9ImjXE3cPtEBO7oVog1TmUHJP+3yBt9O:9Bw4J5q9D4ImjXEMGBO7oh16UHhUot9

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

SUSPICIOUS

Executable content was dropped or overwritten

Starts CMD.EXE for commands execution

INFO

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

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings