Malware analysis cf2b35d800c08e23f71bbd1f6c19cb482cfade056239177644469b9d148f4efb Malicious activity

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File name:	cf2b35d800c08e23f71bbd1f6c19cb482cfade056239177644469b9d148f4efb
Full analysis:	https://app.any.run/tasks/0431a713-0fa1-43e5-a2f7-1b972ce97998
Verdict:	Malicious activity
Analysis date:	December 06, 2018, 08:24:53
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:	EC86C4C11186A3B805F3951D1957113F
SHA1:	DDA56F17B559D9161BBB66038AEB3F9A18877E80
SHA256:	CF2B35D800C08E23F71BBD1F6C19CB482CFADE056239177644469B9D148F4EFB
SSDEEP:	3072:fskMDUl0oaCr4gkDZx8KF05cooWcqR6U+bC9fSHLQLWGzkGJJIXhskfQdDFmnXwZ:kkcboaCrLkDIpMA6UeE2GymeA/b4bCD

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:: off
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
  - WerFault.exe (PID: 2520)
SUSPICIOUS
No suspicious indicators.
INFO
- Loads main object executable
  - rundll32.exe (PID: 3616)
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 2320)
- Creates files in the user directory
  - WINWORD.EXE (PID: 2320)
- Application was crashed
  - rundll32.exe (PID: 3616)

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:	2017:12:05 09:27:56+01:00
PEType:	PE32
LinkerVersion:	9
CodeSize:	210432
InitializedDataSize:	67072
UninitializedDataSize:	-
EntryPoint:	0x1790b
OSVersion:	5
ImageVersion:	-
SubsystemVersion:	5
Subsystem:	Windows GUI
FileVersionNumber:	1.0.15.0
ProductVersionNumber:	1.0.15.0
FileFlagsMask:	0x0000
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Unknown
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
CompanyName:	Solvusoft Corporation
LegalCopyright:	Copyright (C) 2003, 2009 Solvusoft Corporation
FileVersion:	1.0.15.0
ProductVersion:	1.0.15.0
ProductName:	MachineIdGateway
InternalName:	MachineIdGateway.dll
OriginalFileName:	MachineIdGateway.dll
FileDescription:	Interface to the Machine ID Generation Tool

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	05-Dec-2017 08:27:56
Detected languages:	English - United States
Debug artifacts:	D:\Builds\Agent1\Binaries\Win32\Release\MachineIdGateway.pdb
CompanyName:	Solvusoft Corporation
LegalCopyright:	Copyright (C) 2003, 2009 Solvusoft Corporation
FileVersion:	1.0.15.0
ProductVersion:	1.0.15.0
ProductName:	MachineIdGateway
InternalName:	MachineIdGateway.dll
OriginalFilename:	MachineIdGateway.dll
FileDescription:	Interface to the Machine ID Generation Tool

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:	0x000000F8

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	5
Time date stamp:	05-Dec-2017 08:27:56
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00E0
Characteristics:	IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x0003348F	0x00033600	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.71209
.rdata	0x00035000	0x000088C3	0x00008A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.05022
.data	0x0003E000	0x000043F8	0x00002600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	4.2207
.rsrc	0x00043000	0x0000060E	0x00000800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	3.22258
.reloc	0x00044000	0x00004C02	0x00004E00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	4.13693

Resources

Title	Entropy	Size	Codepage	Language	Type
1	3.3717	892	UNKNOWN	English - United States	RT_VERSION
2	4.79597	346	Latin 1 / Western European	English - United States	RT_MANIFEST
126	2.05907	80	Latin 1 / Western European	UNKNOWN	RT_STRING

Imports


KERNEL32.dll
RPCRT4.dll

Exports

Title	Ordinal	Address
FSMI_Calc_Checksum	1	0x00002730
FSMI_Close_Handle	2	0x000020D0
FSMI_Generate_Machine_Id	3	0x00002130
FSMI_Get_Checksum	4	0x00002710
FSMI_Get_Machine_Id	5	0x000026F0
FSMI_Last_Error	6	0x000020B0
FSMI_Open_Lib	7	0x00001F90
FSMI_Replace_Engine	8	0x000028D0

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

2320

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\staffwatches.rtf"

C:\Program Files\Microsoft Office\Office14\WINWORD.EXE

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Word

Exit code:

Version:

14.0.6024.1000

Modules

Images
c:\program files\microsoft office\office14\winword.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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll

2520

C:\Windows\system32\WerFault.exe -u -p 3616 -s 168

C:\Windows\system32\WerFault.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Problem Reporting

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\werfault.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\user32.dll
c:\windows\system32\gdi32.dll

3616

"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\cf2b35d800c08e23f71bbd1f6c19cb482cfade056239177644469b9d148f4efb.exe", FSMI_Calc_Checksum

C:\Windows\System32\rundll32.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows host process (Rundll32)

Exit code:

3221225477

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\rundll32.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\imagehlp.dll

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Total events

994

Read events

649

Write events

333

Delete events

Modification events


(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	`%=
Value: 60253D0010090000010000000000000000000000
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	WORDFiles
Value: 1300627480
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1300627600
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:	write	Name:	ProductFiles
Value: 1300627601
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:	write	Name:	MTTT
Value: 100900002A3768453D8DD40100000000
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	write	Name:	8'=
Value: 38273D001009000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:	delete value	Name:	8'=
Value: 38273D001009000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:	(2320) WINWORD.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2320	WINWORD.EXE	C:\Users\admin\AppData\Local\Temp\CVR19C0.tmp.cvr		—
		MD5:—	SHA256:—
2320	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{4806639F-FA33-42D2-8FFD-742741041EA3}.tmp		—
		MD5:—	SHA256:—
2320	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{14FDD902-02C2-4E89-AE00-B528EBE73339}.tmp		—
		MD5:—	SHA256:—
2320	WINWORD.EXE	C:\Users\admin\Desktop\~$affwatches.rtf		pgc
		MD5:—	SHA256:—
2520	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.3616.dmp		dmp
		MD5:—	SHA256:—
2520	WerFault.exe	C:\Users\admin\AppData\Local\Temp\WERBB73.tmp.WERInternalMetadata.xml		xml
		MD5:—	SHA256:—
2320	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		pgc
		MD5:—	SHA256:—
2320	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\staffwatches.rtf.LNK		lnk
		MD5:—	SHA256:—
2520	WerFault.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_cf2_ebbb49d8c7264293cbb9f568faa7b0b3d9a9f1b5_09cbf38b\Report.wer		binary
		MD5:—	SHA256:—
2320	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat		text
		MD5:—	SHA256:—

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
2520	WerFault.exe	GET	—	40.67.186.102:80	http://watson.microsoft.com/StageOne/rundll32_exe_cf2b35d800c08e23f71bbd1f6c19cb482cfade0562391776444/6_1_7600_16385/4a5bc637/cf2b35d800c08e23f71bbd1f6c19cb482cfade056239177644469b9d148f4efb/1_0_15_0/5a26588c/c0000005/00002ac9.htm?LCID=1033&OS=6.1.7601.2.00010100.1.0.48.17514&SM=DELL&SPN=DELL&BV=DELL&MID=3ADE2C42-4AB9-49B7-B142-BE9AEEA69063	US	—	—	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
2520	WerFault.exe	40.67.186.102:80	watson.microsoft.com	Microsoft Corporation	US	whitelisted

DNS requests

Domain	IP	Reputation
watson.microsoft.com	40.67.186.102	whitelisted

Threats

PID	Process	Class	Message
2520	WerFault.exe	Potential Corporate Privacy Violation	ET POLICY Application Crash Report Sent to Microsoft

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No debug info

General Info

cf2b35d800c08e23f71bbd1f6c19cb482cfade056239177644469b9d148f4efb

EC86C4C11186A3B805F3951D1957113F

DDA56F17B559D9161BBB66038AEB3F9A18877E80

CF2B35D800C08E23F71BBD1F6C19CB482CFADE056239177644469B9D148F4EFB

3072:fskMDUl0oaCr4gkDZx8KF05cooWcqR6U+bC9fSHLQLWGzkGJJIXhskfQdDFmnXwZ:kkcboaCrLkDIpMA6UeE2GymeA/b4bCD

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

SUSPICIOUS

INFO

Loads main object executable

Reads Microsoft Office registry keys

Creates files in the user directory

Application was crashed

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

Exports

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