Analysis Report Arrivalnotice2020pdf.exe

ID:	323773
Product:	CloudBasic
Start time:	14:24:11
Start date:	27.11.2020
Sample:	Arrivalnotice2020pdf.exe
Cookbook:	default.jbs
System description:	Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Architecture:	WINDOWS
MD5:	ed6f9a5ace6367f4e532dd4ec40762ac
SHA1:	5ed4fd1e8a4e7dbed31928c2b7dd2ca1043cb68e
SHA256:	df107977e92465958c206bf42e33ce394e8573da3c4035b69bfa0d0eaf367914
Filetype:	Win32 Executable (generic) a (10002005/4) 99.96%

Name	Type	MD5	SHA1	SHA256

AV Detection:

Found malware configuration

Source: MSBuild.exe.2540.3.memstr

Malware Configuration Extractor: Agenttesla {"Username: ": "zSmwx", "URL: ": "https://dBHeYNWtul3f.net", "To: ": "akannwater@gmail.com", "ByHost: ": "webmail.hapkidocollege.com.au:587", "Password: ": "pXS5n2E1Xj", "From: ": "train@hapkidocollege.com.au"}

Multi AV Scanner detection for submitted file

Source: Arrivalnotice2020pdf.exe

Virustotal: Detection: 22%

Perma Link

Machine Learning detection for sample

Source: Arrivalnotice2020pdf.exe

Joe Sandbox ML: detected

Antivirus or Machine Learning detection for unpacked file

Source: 3.2.MSBuild.exe.400000.0.unpack

Avira: Label: TR/Spy.Gen8

Networking:

May check the online IP address of the machine

Source: unknown	DNS query: name: api.ipify.org
Source: unknown	DNS query: name: api.ipify.org
Source: unknown	DNS query: name: api.ipify.org

Detected TCP or UDP traffic on non-standard ports

Source: global traffic

TCP traffic: 192.168.2.3:49719 -> 103.9.171.52:587

IP address seen in connection with other malware

Source: Joe Sandbox View	IP Address: 174.129.214.20 174.129.214.20
Source: Joe Sandbox View	IP Address: 174.129.214.20 174.129.214.20

Internet Provider seen in connection with other malware

Source: Joe Sandbox View

ASN Name: SYNERGYWHOLESALE-APSYNERGYWHOLESALEPTYLTDAU SYNERGYWHOLESALE-APSYNERGYWHOLESALEPTYLTDAU

JA3 SSL client fingerprint seen in connection with other malware

Source: Joe Sandbox View

JA3 fingerprint: 3b5074b1b5d032e5620f69f9f700ff0e

Uses SMTP (mail sending)

Source: global traffic

TCP traffic: 192.168.2.3:49719 -> 103.9.171.52:587

Connects to IPs without corresponding DNS lookups

Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220
Source: unknown	TCP traffic detected without corresponding DNS query: 92.122.145.220

Performs DNS lookups

Source: unknown

DNS traffic detected: queries for: webmail.hapkidocollege.com.au

Urls found in memory or binary data

Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: http://DynDns.comDynDNS
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: http://ZLVZGU.com
Source: MSBuild.exe, 00000003.00000003.409109256.000000000791A000.00000004.00000001.sdmp	String found in binary or memory: http://crl.comodoca.com/COMODORSACertificationAuthority.crl0q
Source: MSBuild.exe, 00000003.00000003.409109256.000000000791A000.00000004.00000001.sdmp	String found in binary or memory: http://crl.comodoca.com/COMODORSADomainValidationSecureServerCA.crl0
Source: MSBuild.exe, 00000003.00000003.409109256.000000000791A000.00000004.00000001.sdmp	String found in binary or memory: http://ocsp.comodoca.com0
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://api.ipify.org
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://api.ipify.org/
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://api.ipify.org/(
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://api.ipify.orgGETMozilla/5.0
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://api.ipify.orgx&
Source: Arrivalnotice2020pdf.exe, 00000000.00000002.211934436.00000000000D3000.00000004.00020000.sdmp, MSBuild.exe, 00000003.00000002.474831985.0000000000402000.00000040.00000001.sdmp	String found in binary or memory: https://api.telegram.org/bot%telegramapi%/
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://api.telegram.org/bot%telegramapi%/sendDocumentdocument---------------------------x
Source: MSBuild.exe, 00000003.00000002.479039341.000000000364E000.00000004.00000001.sdmp, MSBuild.exe, 00000003.00000002.479119119.0000000003668000.00000004.00000001.sdmp, MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://dBHeYNWtul3f.net
Source: MSBuild.exe, 00000003.00000003.409109256.000000000791A000.00000004.00000001.sdmp	String found in binary or memory: https://secure.comodo.com/CPS0
Source: Arrivalnotice2020pdf.exe, MSBuild.exe, 00000003.00000002.474831985.0000000000402000.00000040.00000001.sdmp	String found in binary or memory: https://www.theonionrouter.com/dist.torproject.org/torbrowser/9.5.3/tor-win32-0.4.3.6.zip
Source: MSBuild.exe, 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp	String found in binary or memory: https://www.theonionrouter.com/dist.torproject.org/torbrowser/9.5.3/tor-win32-0.4.3.6.zip%tordir%%ha

Uses HTTPS

Source: unknown	Network traffic detected: HTTP traffic on port 49698 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49678
Source: unknown	Network traffic detected: HTTP traffic on port 49699 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49699
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49742
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49697
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49696
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49683
Source: unknown	Network traffic detected: HTTP traffic on port 49678 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49697 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49696 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49702 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49693 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49692 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49680
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49690
Source: unknown	Network traffic detected: HTTP traffic on port 49742 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49683 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49690 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49701 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49687 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49702
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49701

Key, Mouse, Clipboard, Microphone and Screen Capturing:

Installs a global keyboard hook

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Windows user hook set: 0 keyboard low level C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Jump to behavior

Creates a window with clipboard capturing capabilities

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Window created: window name: CLIPBRDWNDCLASS

Jump to behavior

System Summary:

.NET source code contains very large array initializations

Source: 3.2.MSBuild.exe.400000.0.unpack, u003cPrivateImplementationDetailsu003eu007b4A8BF70Cu002d7F0Au002d482Au002dA4C2u002dD390DFF70F9Fu007d/u003969E92F2u002d42FDu002d4329u002d80A2u002d2D59A2934EA4.cs

Large array initialization: .cctor: array initializer size 12028

Initial sample is a PE file and has a suspicious name

Source: initial sample

Static PE information: Filename: Arrivalnotice2020pdf.exe

Contains functionality to call native functions

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0168B0BA NtQuerySystemInformation,		3_2_0168B0BA
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0168B089 NtQuerySystemInformation,		3_2_0168B089

Detected potential crypto function

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000C583D		0_2_000C583D
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000C6835		0_2_000C6835
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000C50C1		0_2_000C50C1
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D80D5		0_2_000D80D5
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000BA194		0_2_000BA194
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B8273		0_2_000B8273
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000C4B51		0_2_000C4B51
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B8B7F		0_2_000B8B7F
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000BE3A9		0_2_000BE3A9
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B93E9		0_2_000B93E9
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000C45E1		0_2_000C45E1
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B7F50		0_2_000B7F50
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B8767		0_2_000B8767
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B8FB4		0_2_000B8FB4
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_055892E8		3_2_055892E8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB4ED0		3_2_0ADB4ED0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB2EE8		3_2_0ADB2EE8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB7AE0		3_2_0ADB7AE0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB6EB8		3_2_0ADB6EB8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB0070		3_2_0ADB0070
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB2E89		3_2_0ADB2E89
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADB6EA8		3_2_0ADB6EA8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADED9D0		3_2_0ADED9D0
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADEAEB8		3_2_0ADEAEB8
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADEBDAC		3_2_0ADEBDAC
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADED578		3_2_0ADED578
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADE0070		3_2_0ADE0070
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADE5930		3_2_0ADE5930
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0ADE0007		3_2_0ADE0007

Found potential string decryption / allocating functions

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: String function: 000BAF40 appears 39 times

Sample file is different than original file name gathered from version info

Source: Arrivalnotice2020pdf.exe	Binary or memory string: OriginalFilename vs Arrivalnotice2020pdf.exe
Source: Arrivalnotice2020pdf.exe, 00000000.00000002.211934436.00000000000D3000.00000004.00020000.sdmp	Binary or memory string: OriginalFilenamefobWaEQAeVYNzsIgHQxKLyzadmXNXRmrUHO.exe4 vs Arrivalnotice2020pdf.exe
Source: Arrivalnotice2020pdf.exe, 00000000.00000003.210597797.0000000002FB6000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenamentdll.dllj% vs Arrivalnotice2020pdf.exe

Tries to load missing DLLs

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Section loaded: security.dll

Jump to behavior

.NET source code contains calls to encryption/decryption functions

Source: 3.2.MSBuild.exe.400000.0.unpack, A/b2.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 3.2.MSBuild.exe.400000.0.unpack, A/b2.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'

Classification label

Source: classification engine

Classification label: mal100.troj.spyw.evad.winEXE@4/0@2/2

Contains functionality to adjust token privileges (e.g. debug / backup)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0168AF3E AdjustTokenPrivileges,		3_2_0168AF3E
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Code function: 3_2_0168AF07 AdjustTokenPrivileges,		3_2_0168AF07

Creates mutexes

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Mutant created: \Sessions\1\BaseNamedObjects\Global\.net clr networking
Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1304:120:WilError_01

PE file has an executable .text section and no other executable section

Source: Arrivalnotice2020pdf.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Parts of this applications are using the .NET runtime (Probably coded in C#)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlp			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp			Jump to behavior

Queries process information (via WMI, Win32_Process)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor

Reads software policies

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Reads the hosts file

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior

Sample is known by Antivirus

Source: Arrivalnotice2020pdf.exe

Virustotal: Detection: 22%

Spawns processes

Source: unknown	Process created: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe 'C:\Users\user\Desktop\Arrivalnotice2020pdf.exe'
Source: unknown	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown	Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe			Jump to behavior

Uses an in-process (OLE) Automation server

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{172BDDF8-CEEA-11D1-8B05-00600806D9B6}\InProcServer32

Jump to behavior

Uses Microsoft Silverlight

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorrc.dll

Jump to behavior

Checks if Microsoft Office is installed

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676

Jump to behavior

Uses new MSVCR Dlls

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll

Jump to behavior

Contains modern PE file flags such as dynamic base (ASLR) or NX

Source: Arrivalnotice2020pdf.exe

Static PE information: TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT

Binary contains paths to debug symbols

Source:	Binary string: wntdll.pdbUGP source: Arrivalnotice2020pdf.exe, 00000000.00000003.210004019.0000000002FF0000.00000004.00000001.sdmp
Source:	Binary string: wntdll.pdb source: Arrivalnotice2020pdf.exe, 00000000.00000003.210004019.0000000002FF0000.00000004.00000001.sdmp
Source:	Binary string: mscorrc.pdb source: MSBuild.exe, 00000003.00000002.482322603.00000000075A0000.00000002.00000001.sdmp

PE file contains a valid data directory to section mapping

Source: Arrivalnotice2020pdf.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: Arrivalnotice2020pdf.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: Arrivalnotice2020pdf.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: Arrivalnotice2020pdf.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: Arrivalnotice2020pdf.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Data Obfuscation:

Contains functionality to dynamically determine API calls

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000C215C EncodePointer,EncodePointer,___crtIsPackagedApp,LoadLibraryExW,GetLastError,LoadLibraryW,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,IsDebuggerPresent,OutputDebugStringW,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,

0_2_000C215C

Uses code obfuscation techniques (call, push, ret)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D0554 push eax; ret		0_2_000D05B9
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D0608 push eax; ret		0_2_000D05B9
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B5655 push ecx; ret		0_2_000B5668
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000BAF85 push ecx; ret		0_2_000BAF98

Hooking and other Techniques for Hiding and Protection:

Monitors certain registry keys / values for changes (often done to protect autostart functionality)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Registry key monitored for changes: HKEY_CURRENT_USER_Classes

Jump to behavior

Disables application error messsages (SetErrorMode)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior

Malware Analysis System Evasion:

Found evasive API chain (trying to detect sleep duration tampering with parallel thread)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Function Chain: systemQueried,systemQueried,threadDelayed,threadCreated,threadResumed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,systemQueried,threadDelayed,threadDelayed,systemQueried,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed,threadDelayed

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration

Contains long sleeps (>= 3 min)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Thread delayed: delay time: 922337203685477

Jump to behavior

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Window / User API: threadDelayed 557

Jump to behavior

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -3270000s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -149450s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -269019s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -89721s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -328966s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -686757s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -298600s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -59718s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -150000s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -30000s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -60048s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -30141s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -40062s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -38844s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -59686s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -39562s >= -30000s			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe TID: 1724	Thread sleep time: -39312s >= -30000s			Jump to behavior

Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor

Sample execution stops while process was sleeping (likely an evasion)

Source: C:\Windows\System32\conhost.exe	Last function: Thread delayed
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Last function: Thread delayed

May try to detect the virtual machine to hinder analysis (VM artifact strings found in memory)

Source: MSBuild.exe, 00000003.00000002.481167503.0000000005D10000.00000002.00000001.sdmp	Binary or memory string: A Virtual Machine could not be started because Hyper-V is not installed.
Source: MSBuild.exe, 00000003.00000002.482772481.00000000078D0000.00000004.00000001.sdmp	Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dllN
Source: MSBuild.exe, 00000003.00000002.481167503.0000000005D10000.00000002.00000001.sdmp	Binary or memory string: A communication protocol error has occurred between the Hyper-V Host and Guest Compute Service.
Source: MSBuild.exe, 00000003.00000002.481167503.0000000005D10000.00000002.00000001.sdmp	Binary or memory string: The communication protocol version between the Hyper-V Host and Guest Compute Services is not supported.
Source: MSBuild.exe, 00000003.00000002.481167503.0000000005D10000.00000002.00000001.sdmp	Binary or memory string: An unknown internal message was received by the Hyper-V Compute Service.

Queries a list of all running processes

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Process information queried: ProcessInformation

Jump to behavior

Anti Debugging:

Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Code function: 3_2_0558B078 LdrInitializeThunk,

3_2_0558B078

Contains functionality to check if a debugger is running (IsDebuggerPresent)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000C215C EncodePointer,EncodePointer,___crtIsPackagedApp,LoadLibraryExW,GetLastError,LoadLibraryW,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,IsDebuggerPresent,OutputDebugStringW,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,

0_2_000C215C

Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000C215C EncodePointer,EncodePointer,___crtIsPackagedApp,LoadLibraryExW,GetLastError,LoadLibraryW,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,IsDebuggerPresent,OutputDebugStringW,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,

0_2_000C215C

Contains functionality to dynamically determine API calls

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000C215C EncodePointer,EncodePointer,___crtIsPackagedApp,LoadLibraryExW,GetLastError,LoadLibraryW,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,GetProcAddress,EncodePointer,IsDebuggerPresent,OutputDebugStringW,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,DecodePointer,

0_2_000C215C

Contains functionality to read the PEB

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B1970 mov eax, dword ptr fs:[00000030h]		0_2_000B1970
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000B1970 mov eax, dword ptr fs:[00000030h]		0_2_000B1970
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D1CC2 mov eax, dword ptr fs:[00000030h]		0_2_000D1CC2
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D2688 mov eax, dword ptr fs:[00000030h]		0_2_000D2688
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D26C5 mov eax, dword ptr fs:[00000030h]		0_2_000D26C5
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000D2728 mov eax, dword ptr fs:[00000030h]		0_2_000D2728

Contains functionality which may be used to detect a debugger (GetProcessHeap)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000BA5B8 GetProcessHeap,

0_2_000BA5B8

Enables debug privileges

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Process token adjusted: Debug

Jump to behavior

Contains functionality to register its own exception handler

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000BF458 SetUnhandledExceptionFilter,		0_2_000BF458
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: 0_2_000BF47B SetUnhandledExceptionFilter,UnhandledExceptionFilter,		0_2_000BF47B

Creates guard pages, often used to prevent reverse engineering and debugging

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Memory allocated: page read and write | page guard

Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

Maps a DLL or memory area into another process

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Section loaded: unknown target: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe protection: execute and read and write

Jump to behavior

Writes to foreign memory regions

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe base: E35008

Jump to behavior

Creates a process in suspended mode (likely to inject code)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Jump to behavior

May try to detect the Windows Explorer process (often used for injection)

Source: MSBuild.exe, 00000003.00000002.476151015.0000000001AD0000.00000002.00000001.sdmp	Binary or memory string: Program Manager
Source: MSBuild.exe, 00000003.00000002.476151015.0000000001AD0000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: MSBuild.exe, 00000003.00000002.476151015.0000000001AD0000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: MSBuild.exe, 00000003.00000002.476151015.0000000001AD0000.00000002.00000001.sdmp	Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

Contains functionality to query CPU information (cpuid)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000B9D61 cpuid

0_2_000B9D61

Contains functionality to query locales information (e.g. system language)

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: ___getlocaleinfo,__malloc_crt,__calloc_crt,__calloc_crt,__calloc_crt,__calloc_crt,GetCPInfo,___crtLCMapStringA,___crtLCMapStringA,___crtGetStringTypeW,_memmove,_memmove,_memmove,InterlockedDecrement,_free,_free,_free,_free,_free,_free,_free,_free,_free,InterlockedDecrement,		0_2_000B4887
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: ___crtGetLocaleInfoA,GetLastError,___crtGetLocaleInfoA,__calloc_crt,___crtGetLocaleInfoA,__calloc_crt,_free,_free,__calloc_crt,_free,__invoke_watson,		0_2_000BB34D
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: __calloc_crt,__malloc_crt,_free,__malloc_crt,_free,_free,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___free_lconv_mon,_free,_free,_free,InterlockedDecrement,InterlockedDecrement,_free,_free,		0_2_000C0B91
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: _LocaleUpdate::_LocaleUpdate,__crtGetLocaleInfoA_stat,		0_2_000C24BA
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: EnumSystemLocalesEx,		0_2_000BF53A
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: GetLocaleInfoEx,		0_2_000BF550
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: ___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,		0_2_000C159E
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: GetLocaleInfoEx,__wcsnicmp,_TestDefaultCountry,_TestDefaultCountry,__invoke_watson,__invoke_watson,		0_2_000C275E
Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe	Code function: __calloc_crt,__malloc_crt,_free,__malloc_crt,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___getlocaleinfo,___free_lconv_num,_free,_free,InterlockedDecrement,InterlockedDecrement,_free,_free,		0_2_000C0F9A

Queries the volume information (name, serial number etc) of a device

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Queries volume information: C:\Windows\assembly\GAC_32\CustomMarshalers\2.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Queries volume information: C:\Windows\assembly\GAC_32\CustomMarshalers\2.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation			Jump to behavior

Contains functionality to query local / system time

Source: C:\Users\user\Desktop\Arrivalnotice2020pdf.exe

Code function: 0_2_000BBDE2 GetSystemTimeAsFileTime,GetCurrentThreadId,GetTickCount64,QueryPerformanceCounter,

0_2_000BBDE2

Queries the cryptographic machine GUID

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid

Jump to behavior

Stealing of Sensitive Information:

Yara detected AgentTesla

Source: Yara match	File source: 00000000.00000002.211934436.00000000000D3000.00000004.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000003.00000002.474831985.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: Arrivalnotice2020pdf.exe PID: 5492, type: MEMORY
Source: Yara match	File source: Process Memory Space: MSBuild.exe PID: 2540, type: MEMORY
Source: Yara match	File source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.Arrivalnotice2020pdf.exe.b0000.0.unpack, type: UNPACKEDPE

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe

Key opened: HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions

Jump to behavior

Tries to harvest and steal browser information (history, passwords, etc)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data			Jump to behavior

Tries to harvest and steal ftp login credentials

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File opened: C:\Users\user\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect\			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml			Jump to behavior

Tries to steal Mail credentials (via file access)

Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676			Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe	Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities			Jump to behavior

Yara detected Credential Stealer

Source: Yara match	File source: 00000003.00000002.477291193.0000000003401000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: MSBuild.exe PID: 2540, type: MEMORY

Remote Access Functionality:

Yara detected AgentTesla

Source: Yara match	File source: 00000000.00000002.211934436.00000000000D3000.00000004.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000003.00000002.474831985.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: Arrivalnotice2020pdf.exe PID: 5492, type: MEMORY
Source: Yara match	File source: Process Memory Space: MSBuild.exe PID: 2540, type: MEMORY
Source: Yara match	File source: 3.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.Arrivalnotice2020pdf.exe.b0000.0.unpack, type: UNPACKEDPE