Malware analysis windows-privesc-check2.exe Malicious activity

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File name:	windows-privesc-check2.exe
Full analysis:	https://app.any.run/tasks/fbac23c3-3802-40e6-84c9-a44f1e8550bd
Verdict:	Malicious activity
Analysis date:	June 05, 2019, 10:55:16
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:	0F4471B3F8B3485268DFA7E825A217B4
SHA1:	1FBC3F8CF90DCFFEFB8F42436F9DB2EC6F9AE12D
SHA256:	483622FB3A2B1287DBD15C3C73A91025FFACC8A485134054BCDFB9592E7E9718
SSDEEP:	196608:NvPGP3TjBcWivlGV0Es2OkbtFELnZMEvEQWARzAF:NvOHBvm2Ns2OkpeZMXAOF

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

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MALICIOUS
- Loads dropped or rewritten executable
  - windows-privesc-check2.exe (PID: 584)
  - windows-privesc-check2.exe (PID: 3324)
  - windows-privesc-check2.exe (PID: 2912)
SUSPICIOUS
- Loads Python modules
  - windows-privesc-check2.exe (PID: 584)
  - windows-privesc-check2.exe (PID: 3324)
  - windows-privesc-check2.exe (PID: 2912)
- Executable content was dropped or overwritten
  - windows-privesc-check2.exe (PID: 3092)
  - windows-privesc-check2.exe (PID: 2736)
  - windows-privesc-check2.exe (PID: 1136)
- Application launched itself
  - windows-privesc-check2.exe (PID: 3092)
INFO
- Manual execution by user
  - cmd.exe (PID: 2008)
  - explorer.exe (PID: 3608)

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:	2010:11:12 17:08:38+01:00
PEType:	PE32
LinkerVersion:	7.1
CodeSize:	57344
InitializedDataSize:	36864
UninitializedDataSize:	-
EntryPoint:	0x6a0b
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows command line

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date:	12-Nov-2010 16:08:38

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:	0x000000E8

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	4
Time date stamp:	12-Nov-2010 16:08:38
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	0x0000D18E	0x0000E000	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.47947
.rdata	0x0000F000	0x00004FD6	0x00005000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	6.83391
.data	0x00014000	0x000026C4	0x00001000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	1.18751
.rsrc	0x00017000	0x000003A0	0x00001000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	0.976058

Resources

Title	Entropy	Size	Codepage	Language	Type
1	2.74586	744	UNKNOWN	UNKNOWN	RT_ICON
101	2.16096	20	UNKNOWN	UNKNOWN	RT_GROUP_ICON

Imports


COMCTL32.dll
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

584

"C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe"

C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe

—

windows-privesc-check2.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\windows-privesc-check2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll

1136

windows-privesc-check2.exe --dump -E -f -F -G -H -I -j -k -L -O -n -N -R -S -t

C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe

cmd.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\windows-privesc-check2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll

2008

"cmd.exe" /s /k pushd "C:\Users\admin\AppData\Local\Temp"

C:\Windows\system32\cmd.exe

—

explorer.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

2736

windows-privesc-check2.exe --dump -E -f -F -G -H -I -j -k -L -O -n -N -R -S -t -e -r

C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe

cmd.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\windows-privesc-check2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll

2912

windows-privesc-check2.exe --dump -E -f -F -G -H -I -j -k -L -O -n -N -R -S -t -e -r

C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe

—

windows-privesc-check2.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\windows-privesc-check2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll

3092

"C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe"

C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\windows-privesc-check2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll

3324

windows-privesc-check2.exe --dump -E -f -F -G -H -I -j -k -L -O -n -N -R -S -t

C:\Users\admin\AppData\Local\Temp\windows-privesc-check2.exe

—

windows-privesc-check2.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\windows-privesc-check2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll

3608

"C:\Windows\explorer.exe"

C:\Windows\explorer.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\explorer.exe
c:\systemroot\system32\ntdll.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\system32\gdi32.dll
c:\windows\system32\user32.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
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\_hashlib.pyd		executable
		MD5:8E05C1EFD3345194B059ADA0A4CD71E8	SHA256:FC9F52148793457A28C99E7A5AA114806C23EFCD10516DDF311907546A4D1C57
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\unicodedata.pyd		executable
		MD5:0F0DEB93E54A9F1B88264F7A0361693B	SHA256:929397BBFB0E34DDA5D18B6C4E5D271B4EE6A63A32E5F0C328A53B1C55A9590E
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\win32file.pyd		executable
		MD5:D4F8743311FFF7DACB9D5AE68B49BFE3	SHA256:9AA650A9117918B9C57F89B573BB597C91C18E77E4EAE0145829A3E283C74B82
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\_ssl.pyd		executable
		MD5:1984F73F94D11E197EFAEC2DC41232F5	SHA256:BCAD190AB35F96A8F360131C0B7138DCD826BA8A903679510FFB34CA4F73CC77
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\PyWinTypes27.dll		executable
		MD5:F3EF005E60F838EAAA44529DAEEB93AB	SHA256:241ECBD87410E9B23339D494F9ECA7DDF8083472661989F489FDD7FE0B8776B4
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\win32service.pyd		executable
		MD5:E13134CD2996BAE2E9573EA7568A0648	SHA256:FBB43981B5DFB0B7392724831855AC7B9AD4980CD625B0A14EE8B90320EA0B34
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\_win32sysloader.pyd		executable
		MD5:0DDC179AAEFD31BE60FE5611CE372CF4	SHA256:6842DF5C73F1D7DE30C6FC8F811143EC530312BD7A389294763ACE96A8F97835
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\_ctypes.pyd		executable
		MD5:6027866CC7E8A639FE7300B2558112A3	SHA256:552AA528F998319DD95D95EA13CD37615A725155D171E88BD15ADE707723FFD7
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\win32ts.pyd		executable
		MD5:EC45CC5611C0CF5F4E0430F438DC3486	SHA256:2B2BF3A3D1A1175A81416686132CD6CE45C6E7DA8969DE03FED2E150264EF5FE
3092	windows-privesc-check2.exe	C:\Users\admin\AppData\Local\Temp\_MEI30922\lxml.etree.pyd		executable
		MD5:6A21F6FBBF3108AD99C84652EA95658B	SHA256:FD6B56D9F66189B7FAC18B5F6C886A088CCE22878A09D241DCDDF3EE72EEEF83

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HTTP(S) requests

TCP/UDP connections

DNS requests

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HTTP requests

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Connections

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DNS requests

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Threats

No threats detected

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No debug info

General Info

windows-privesc-check2.exe

0F4471B3F8B3485268DFA7E825A217B4

1FBC3F8CF90DCFFEFB8F42436F9DB2EC6F9AE12D

483622FB3A2B1287DBD15C3C73A91025FFACC8A485134054BCDFB9592E7E9718

196608:NvPGP3TjBcWivlGV0Es2OkbtFELnZMEvEQWARzAF:NvOHBvm2Ns2OkpeZMXAOF

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

SUSPICIOUS

Loads Python modules

Executable content was dropped or overwritten

Application launched itself

INFO

Manual execution by user

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