Malware analysis Rmb.rar Malicious activity | ANY.RUN

Add for printing

File name:	Rmb.rar
Full analysis:	https://app.any.run/tasks/c3718d5f-a2c0-4106-84a6-38dd925ab185
Verdict:	Malicious activity
Analysis date:	August 21, 2019, 11:12:45
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-rar
File info:	RAR archive data, v5
MD5:	BDDF611F9501E7F2351CCA341DF08EC3
SHA1:	3722B0F646427F5C23D4A8F252A7349E7AFF974F
SHA256:	F8EFD9E1788CA952EF37919EA95E56E3617142772ADFA087ED7077A9BB73770B
SSDEEP:	6144:gDHZtSNxOgT7iHCQQ/ed1O0W48ucQe9Ez5Qb:gD6P3T7mLQWdjWfucTgE

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 68.0.1 (x86 en-US) (68.0.1)
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

Add for printing

MALICIOUS
- Application was dropped or rewritten from another process
  - Rmb.exe (PID: 3348)
  - Rmb.exe (PID: 2664)
SUSPICIOUS
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 3396)
INFO
- Manual execution by user
  - Rmb.exe (PID: 2664)
  - Rmb.exe (PID: 3348)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Add for printing

No Malware configuration.

Add for printing

TRiD

.rar	\|	RAR compressed archive (v5.0) (61.5)
.rar	\|	RAR compressed archive (gen) (38.4)

No data.

Add for printing

All screenshots are available in the full report

Add for printing

Total processes

38

Monitored processes

3

Malicious processes

1

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2664

"C:\Users\admin\Desktop\Rmb.exe"

C:\Users\admin\Desktop\Rmb.exe

explorer.exe

User:

admin

Company:

TODO: <Company name>

Integrity Level:

HIGH

Description:

TODO: <File description>

Exit code:

0

Version:

1.11.0.0

Modules

Images
c:\users\admin\desktop\rmb.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\setupapi.dll

3348

"C:\Users\admin\Desktop\Rmb.exe"

C:\Users\admin\Desktop\Rmb.exe

—

explorer.exe

User:

admin

Company:

TODO: <Company name>

Integrity Level:

MEDIUM

Description:

TODO: <File description>

Exit code:

3221226540

Version:

1.11.0.0

Modules

Images
c:\users\admin\desktop\rmb.exe
c:\systemroot\system32\ntdll.dll

3396

"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Rmb.rar"

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

0

Version:

5.60.0

Modules

Images
c:\program files\winrar\winrar.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\comdlg32.dll

Add for printing

Total events

445

Read events

417

Write events

22

Delete events

6

Modification events


(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\Rmb.rar
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:	write	Name:	ShowPassword
Value: 0
(PID) Process:	(3396) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\MainWin
Operation:	write	Name:	Placement
Value: 2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF42000000420000000204000037020000

Add for printing

Executable files

1

Suspicious files

0

Text files

0

Unknown types

0

Dropped files

PID	Process	Filename		Type
3396	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRb3396.49222\Rmb.exe		executable
		MD5:8B23FB9DD8CDF72B7C8A598FE9E1336C	SHA256:8D11E254E2ACA73DA95DA065CF2E548198A9594F11A72C5B21FAD5086491E35B

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

Add for printing

HTTP(S) requests

0

TCP/UDP connections

0

DNS requests

0

Threats

0

HTTP requests

No HTTP requests

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

Connections

No data

DNS requests

No data

Threats

No threats detected

Add for printing

No debug info

General Info

Rmb.rar

BDDF611F9501E7F2351CCA341DF08EC3

3722B0F646427F5C23D4A8F252A7349E7AFF974F

F8EFD9E1788CA952EF37919EA95E56E3617142772ADFA087ED7077A9BB73770B

6144:gDHZtSNxOgT7iHCQQ/ed1O0W48ucQe9Ez5Qb:gD6P3T7mLQWdjWfucTgE

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

SUSPICIOUS

Executable content was dropped or overwritten

INFO

Manual execution by user

Malware configuration

Static information

TRiD

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