Malware analysis Remittance Copy.xls Malicious activity

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File name:	Remittance Copy.xls
Full analysis:	https://app.any.run/tasks/1fe472bf-aa63-4fc4-aaf4-c1a4d9078159
Verdict:	Malicious activity
Threats:	A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection. NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website. Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. Malware Trends Tracker >>>
Analysis date:	March 21, 2019, 21:15:57
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	macros macros-on-open loader rat nanocore
Indicators:
MIME:	application/vnd.ms-excel
File info:	Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Last Saved By: Eternal, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Mar 20 21:51:32 2019, Last Saved Time/Date: Wed Mar 20 21:55:33 2019, Security: 0
MD5:	6A81B64F23C00A5C3BF2B0F35D399BBA
SHA1:	F264DD352B8EF808CAA7A0D2932082AEB28BC04D
SHA256:	1E251B58006ACD135A5B23A1E4736C37C1FDE2A1F3AEE39668BCAA401089C75D
SSDEEP:	6144:fxEtjPOtioVjDGUU1qfDlavx+W2QnAhBh/rrYjxApjajr7WZurcftkpO:71SxAsnyIn

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:: 180 seconds
Heavy Evasion option:: on
Network geolocation:: off
Additional time used:: 120 seconds
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 (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
- Requests a remote executable file from MS Office
  - EXCEL.EXE (PID: 916)
- Executable content was dropped or overwritten
  - EXCEL.EXE (PID: 916)
- Unusual execution from Microsoft Office
  - EXCEL.EXE (PID: 916)
- Application was dropped or rewritten from another process
  - console.exe (PID: 2640)
  - sysdig.exe (PID: 2588)
  - sysdig.exe (PID: 2320)
- Writes to a start menu file
  - sysdig.exe (PID: 2588)
- NanoCore was detected
  - sysdig.exe (PID: 2320)
- Changes the autorun value in the registry
  - sysdig.exe (PID: 2320)
SUSPICIOUS
- Unusual connect from Microsoft Office
  - EXCEL.EXE (PID: 916)
- Reads Internet Cache Settings
  - EXCEL.EXE (PID: 916)
- Starts CMD.EXE for commands execution
  - console.exe (PID: 2640)
- Executable content was dropped or overwritten
  - cmd.exe (PID: 3996)
  - sysdig.exe (PID: 2320)
- Creates files in the user directory
  - sysdig.exe (PID: 2588)
  - sysdig.exe (PID: 2320)
- Application launched itself
  - sysdig.exe (PID: 2588)
- Connects to unusual port
  - sysdig.exe (PID: 2320)
INFO
- Creates files in the user directory
  - EXCEL.EXE (PID: 916)
- Reads Microsoft Office registry keys
  - EXCEL.EXE (PID: 916)

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

.xls	\|	Microsoft Excel sheet (48)
.xls	\|	Microsoft Excel sheet (alternate) (39.2)

EXIF

FlashPix

Author:	-
LastModifiedBy:	Eternal
Software:	Microsoft Excel
CreateDate:	2019:03:20 21:51:32
ModifyDate:	2019:03:20 21:55:33
Security:	None
CodePage:	Windows Latin 1 (Western European)
Company:	-
AppVersion:	14
ScaleCrop:	No
LinksUpToDate:	No
SharedDoc:	No
HyperlinksChanged:	No
TitleOfParts:	Sheet1 Sheet2 Sheet3
HeadingPairs:	Worksheets 3
CompObjUserTypeLen:	31
CompObjUserType:	Microsoft Excel 2003 Worksheet

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

916

"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

1908

"C:\Windows\System32\cmd.exe" /c, "C:\Users\admin\AppData\Local\sysdig.exe"

C:\Windows\System32\cmd.exe

—

console.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

2320

"C:\Users\admin\AppData\Local\sysdig.exe"

C:\Users\admin\AppData\Local\sysdig.exe

sysdig.exe

User:

admin

Integrity Level:

MEDIUM

Description:

retries

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\sysdig.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll

2588

"C:\Users\admin\AppData\Local\sysdig.exe"

C:\Users\admin\AppData\Local\sysdig.exe

cmd.exe

User:

admin

Integrity Level:

MEDIUM

Description:

retries

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\sysdig.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

2640

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

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

—

EXCEL.EXE

User:

admin

Integrity Level:

MEDIUM

Description:

retries

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\console.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

3996

"C:\Windows\System32\cmd.exe" /c copy "C:\Users\admin\AppData\Local\Temp\console.exe" "C:\Users\admin\AppData\Local\sysdig.exe"

C:\Windows\System32\cmd.exe

console.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

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Total events

1 117

Read events

1 080

Write events

Delete events

Modification events


(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	write	Name:	db4
Value: 6462340094030000010000000000000000000000
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: Off
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:	write	Name:	1033
Value: On
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel
Operation:	write	Name:	MTTT
Value: 94030000284BD0522BE0D40100000000
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	delete value	Name:	db4
Value: 6462340094030000010000000000000000000000
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:	delete key	Name:
Value:
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency
Operation:	delete key	Name:
Value:
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(916) EXCEL.EXE	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\F908F
Operation:	write	Name:	F908F
Value: 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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
916	EXCEL.EXE	C:\Users\admin\AppData\Local\Temp\CVR8A64.tmp.cvr		—
		MD5:—	SHA256:—
3996	cmd.exe	C:\Users\admin\AppData\Local\sysdig.exe		executable
		MD5:—	SHA256:—
916	EXCEL.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\Remittance Copy.xls.LNK		lnk
		MD5:—	SHA256:—
2588	sysdig.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdig.lnk		lnk
		MD5:—	SHA256:—
916	EXCEL.EXE	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\netpro[1].exe		executable
		MD5:—	SHA256:—
916	EXCEL.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat		text
		MD5:—	SHA256:—
2320	sysdig.exe	C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe		executable
		MD5:—	SHA256:—
916	EXCEL.EXE	C:\Users\admin\AppData\Local\Temp\console.exe		executable
		MD5:—	SHA256:—
2320	sysdig.exe	C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.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
916	EXCEL.EXE	GET	200	185.112.35.3:80	http://elec-tb.com/log/netpro.exe	IR	executable	314 Kb	suspicious

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
916	EXCEL.EXE	185.112.35.3:80	elec-tb.com	Asiatech Data Transfer Inc PLC	IR	suspicious
2320	sysdig.exe	8.8.8.8:53	—	Google Inc.	US	malicious
2320	sysdig.exe	194.5.98.53:2002	eter202.ddns.net	—	FR	malicious

DNS requests

Domain	IP	Reputation
elec-tb.com	185.112.35.3	suspicious
eter202.ddns.net	194.5.98.53	malicious

Threats

PID	Process	Class	Message
916	EXCEL.EXE	Potential Corporate Privacy Violation	ET POLICY PE EXE or DLL Windows file download HTTP

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No debug info

General Info

Remittance Copy.xls

6A81B64F23C00A5C3BF2B0F35D399BBA

F264DD352B8EF808CAA7A0D2932082AEB28BC04D

1E251B58006ACD135A5B23A1E4736C37C1FDE2A1F3AEE39668BCAA401089C75D

6144:fxEtjPOtioVjDGUU1qfDlavx+W2QnAhBh/rrYjxApjajr7WZurcftkpO:71SxAsnyIn

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Requests a remote executable file from MS Office

Executable content was dropped or overwritten

Unusual execution from Microsoft Office

Application was dropped or rewritten from another process

Writes to a start menu file

NanoCore was detected

Changes the autorun value in the registry

SUSPICIOUS

Unusual connect from Microsoft Office

Reads Internet Cache Settings

Starts CMD.EXE for commands execution

Executable content was dropped or overwritten

Creates files in the user directory

Application launched itself

Connects to unusual port

INFO

Creates files in the user directory

Reads Microsoft Office registry keys

Malware configuration

Static information

TRiD

EXIF

FlashPix

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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