Malware analysis Zeus Crypter.rar Malicious activity | ANY.RUN

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File name:	Zeus Crypter.rar
Full analysis:	https://app.any.run/tasks/c44e021f-006d-486c-b928-59a44ac473d9
Verdict:	Malicious activity
Threats:	njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. njRAT ist ein Trojaner für den Fernzugriff. Es handelt sich um einen der am weitesten verbreiteten RATs auf dem Markt, der eine Fülle von Bildungsinformationen bietet. Interessierte Angreifer können sogar Tutorials auf YouTube finden. Dies macht ihn zu einem der beliebtesten RATs der Welt. 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:	June 16, 2019, 10:07:25
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	rat njrat bladabindi
Indicators:
MIME:	application/x-rar
File info:	RAR archive data, v5
MD5:	A64E446C324E0E1C6214954AECE83569
SHA1:	96F049EA46D3366F962E7E18D35977AFBF5A4D10
SHA256:	6BE46E1CC6453F4166160616CDBB4DD3F10D9BB1454C6227FBD069BBCB0A0E07
SSDEEP:	12288:T6O9yWZaAitgFkz1pSqum/1KtUFwMNcXzkfvz6X6F4Hmvh8mptRsTYG8ne0QIOlJ:Z9yW0Ait0+1pSqum/suCgfrvh3pI8jQn

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 (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
- Application was dropped or rewritten from another process
  - Zeus Crypter.exe (PID: 2900)
  - Zeus Crypter.exe (PID: 3996)
  - Zeus Crypter.exe (PID: 392)
  - Zeus Crypter.exe (PID: 1820)
- Known privilege escalation attack
  - Zeus Crypter.exe (PID: 2900)
  - Zeus Crypter.exe (PID: 3996)
- Changes the autorun value in the registry
  - Zeus Crypter.exe (PID: 392)
  - Zeus Crypter.exe (PID: 1820)
- NJRAT was detected
  - RegAsm.exe (PID: 2608)
SUSPICIOUS
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 3356)
  - Zeus Crypter.exe (PID: 392)
- Modifies the open verb of a shell class
  - Zeus Crypter.exe (PID: 2900)
  - Zeus Crypter.exe (PID: 3996)
- Uses NETSH.EXE for network configuration
  - RegAsm.exe (PID: 2608)
INFO
- Manual execution by user
  - Zeus Crypter.exe (PID: 3996)
  - Zeus Crypter.exe (PID: 2900)

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

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

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

392

"C:\Users\admin\Desktop\Zeus Crypter.exe"

C:\Users\admin\Desktop\Zeus Crypter.exe

eventvwr.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\desktop\zeus crypter.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.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll

572

netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE

C:\Windows\system32\netsh.exe

—

RegAsm.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Network Command Shell

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\netsh.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\credui.dll
c:\windows\system32\user32.dll

856

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

—

Zeus Crypter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft .NET Assembly Registration Utility

Exit code:

Version:

2.0.50727.5420 (Win7SP1.050727-5400)

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll

1024

"C:\Windows\System32\eventvwr.exe"

C:\Windows\System32\eventvwr.exe

—

Zeus Crypter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Event Viewer Snapin Launcher

Exit code:

3221226540

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\eventvwr.exe
c:\systemroot\system32\ntdll.dll

1820

"C:\Users\admin\Desktop\Zeus Crypter.exe"

C:\Users\admin\Desktop\Zeus Crypter.exe

eventvwr.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\desktop\zeus crypter.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.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll

2600

"C:\Windows\System32\eventvwr.exe"

C:\Windows\System32\eventvwr.exe

Zeus Crypter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Event Viewer Snapin Launcher

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\eventvwr.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\shell32.dll

2608

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Zeus Crypter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft .NET Assembly Registration Utility

Exit code:

Version:

2.0.50727.5420 (Win7SP1.050727-5400)

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll

2900

"C:\Users\admin\Desktop\Zeus Crypter.exe"

C:\Users\admin\Desktop\Zeus Crypter.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\desktop\zeus crypter.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.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll

3152

"C:\Windows\System32\eventvwr.exe"

C:\Windows\System32\eventvwr.exe

—

Zeus Crypter.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Event Viewer Snapin Launcher

Exit code:

3221226540

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\eventvwr.exe
c:\systemroot\system32\ntdll.dll

3356

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

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

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

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Total events

773

Read events

670

Write events

101

Delete events

Modification events


(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\Zeus Crypter.rar
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\MainWin
Operation:	write	Name:	Placement
Value: 2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF42000000420000000204000037020000
(PID) Process:	(3356) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\General
Operation:	write	Name:	LastFolder
Value: C:\Users\admin\AppData\Local\Temp

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3356	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa3356.18961\Zeus Crypter\Zeus Crypter.exe		executable
		MD5:—	SHA256:—
392	Zeus Crypter.exe	C:\Users\admin\ActiveSyncCsp\SystemPropertiesComputerName.exe		executable
		MD5:—	SHA256:—
3356	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa3356.18961\Zeus Crypter\Stub1		text
		MD5:2041E64BFFCCFBC9379235FDF294F188	SHA256:DAA4362A762A472F717A480102883382B41DC5C17484F649272C5BDB5142917C
3356	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa3356.18961\Zeus Crypter\Stub2		xml
		MD5:4D18AC38A92D15A64E2B80447B025B7E	SHA256:835A00D6E7C43DB49AE7B3FA12559F23C2920B7530F4D3F960FD285B42B1EFB5

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
2608	RegAsm.exe	89.94.35.57:1604	—	Bouygues Telecom SA	FR	malicious

DNS requests

No data

Threats

No threats detected

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No debug info

General Info

Zeus Crypter.rar

A64E446C324E0E1C6214954AECE83569

96F049EA46D3366F962E7E18D35977AFBF5A4D10

6BE46E1CC6453F4166160616CDBB4DD3F10D9BB1454C6227FBD069BBCB0A0E07

12288:T6O9yWZaAitgFkz1pSqum/1KtUFwMNcXzkfvz6X6F4Hmvh8mptRsTYG8ne0QIOlJ:Z9yW0Ait0+1pSqum/suCgfrvh3pI8jQn

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

Known privilege escalation attack

Changes the autorun value in the registry

NJRAT was detected

SUSPICIOUS

Executable content was dropped or overwritten

Modifies the open verb of a shell class

Uses NETSH.EXE for network configuration

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

Information

Modules

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