Malware analysis 3b62cf79af3952735a45929471141f2d Malicious activity

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File name:	3b62cf79af3952735a45929471141f2d
Full analysis:	https://app.any.run/tasks/41489627-6d01-4356-a268-4c66c0cefa2b
Verdict:	Malicious activity
Analysis date:	July 18, 2019, 14:51:49
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:	3B62CF79AF3952735A45929471141F2D
SHA1:	1978579D781E9A786F9B297C910DDACFC287E92A
SHA256:	01520B3BE715AB3C010868D31A5C43F4A03B72C3326002C79EFE462BD6A0E410
SSDEEP:	3072:b/wfauofxbXFqJejfrqTcYPPrRFeKQ5aJTJLXePxSKkDHMt5ZEHcUpTVw9V8pc:0loNCz4utXePOKL4Dpc

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 67.0.4 (x86 en-US) (67.0.4)
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
- Loads dropped or rewritten executable
  - WerFault.exe (PID: 2736)
  - svchost.exe (PID: 848)
  - explorer.exe (PID: 124)
SUSPICIOUS
- Uses RUNDLL32.EXE to load library
  - explorer.exe (PID: 124)
INFO
- Loads main object executable
  - rundll32.exe (PID: 3732)
- Dropped object may contain Bitcoin addresses
  - WerFault.exe (PID: 2736)
- Application was crashed
  - rundll32.exe (PID: 3732)

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:	2016:03:18 15:28:36+01:00
PEType:	PE32
LinkerVersion:	14
CodeSize:	164352
InitializedDataSize:	67072
UninitializedDataSize:	-
EntryPoint:	0x112ee
OSVersion:	6
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	18-Mar-2016 14:28:36
Detected languages:	English - United States
Debug artifacts:	C:\Users\Ionut\Desktop\NetRipper\Release\DLL.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:	0x00000100

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	7
Time date stamp:	18-Mar-2016 14:28:36
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	0x00028111	0x00028200	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.50379
.rdata	0x0002A000	0x0000B6E2	0x0000B800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.25618
.data	0x00036000	0x000022E8	0x00001600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	3.47449
.gfids	0x00039000	0x00000190	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	3.13721
.tls	0x0003A000	0x00000009	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0.0203931
.rsrc	0x0003B000	0x000001E0	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.72473
.reloc	0x0003C000	0x000022E8	0x00002400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	6.50209

Resources

Title	Entropy	Size	Codepage	Language	Type
2	4.91161	381	UNKNOWN	English - United States	RT_MANIFEST

Imports


ADVAPI32.dll
KERNEL32.dll

Exports

Title	Ordinal	Address
?ReflectiveLoader@@YGKXZ	1	0x00008720

No data.

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All screenshots are available in the full report

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Total processes

36

Monitored processes

4

Malicious processes

3

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

124

C:\Windows\Explorer.EXE

C:\Windows\explorer.exe

—

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Exit code:

0

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\winanr.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.exe
c:\windows\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

848

C:\Windows\system32\svchost.exe -k netsvcs

C:\Windows\System32\svchost.exe

services.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Host Process for Windows Services

Exit code:

0

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\windanr.exe
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll

2736

C:\Windows\system32\WerFault.exe -u -p 3732 -s 176

C:\Windows\system32\WerFault.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Problem Reporting

Exit code:

0

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

3732

"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\3b62cf79af3952735a45929471141f2d.exe", ?ReflectiveLoader@@YGKXZ

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

881

Read events

881

Write events

0

Delete events

0

Modification events

No data

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Executable files

0

Suspicious files

1

Text files

0

Unknown types

3

Dropped files

PID	Process	Filename		Type
848	svchost.exe	C:\Windows\appcompat\programs\RecentFileCache.bcf		txt
		MD5:—	SHA256:—
2736	WerFault.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_3b6_675662b497818f6bd30de11be9a8d55c9f4af_0aa7ea21\Report.wer		binary
		MD5:—	SHA256:—
2736	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.3732.dmp		dmp
		MD5:—	SHA256:—

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HTTP(S) requests

0

TCP/UDP connections

0

DNS requests

0

Threats

0

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

3b62cf79af3952735a45929471141f2d

3B62CF79AF3952735A45929471141F2D

1978579D781E9A786F9B297C910DDACFC287E92A

01520B3BE715AB3C010868D31A5C43F4A03B72C3326002C79EFE462BD6A0E410

3072:b/wfauofxbXFqJejfrqTcYPPrRFeKQ5aJTJLXePxSKkDHMt5ZEHcUpTVw9V8pc:0loNCz4utXePOKL4Dpc

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

SUSPICIOUS

Uses RUNDLL32.EXE to load library

INFO

Loads main object executable

Dropped object may contain Bitcoin addresses

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

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings