T1036 - Masquerading
Adversaries may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Masquerading occurs when the name or location of an object, legitimate or malicious, is manipulated or abused for the sake of evading defenses and observation. This may include manipulating file metadata, tricking users into misidentifying the file type, and giving legitimate task or service names.
Renaming abusable system utilities to evade security monitoring is also a form of [Masquerading](https://attack.mitre.org/techniques/T1036).(Citation: LOLBAS Main Site)
Atomic Tests
Atomic Test #1 - System File Copied to Unusual Location
It may be suspicious seeing a file copy of an EXE in System32 or SysWOW64 to a non-system directory or executing from a non-system directory.
Supported Platforms: Windows
auto_generated_guid: 51005ac7-52e2-45e0-bdab-d17c6d4916cd
Attack Commands: Run with
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| copy-item "$env:windir\System32\cmd.exe" -destination "$env:allusersprofile\cmd.exe"
start-process "$env:allusersprofile\cmd.exe"
sleep -s 5
stop-process -name "cmd" | out-null
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Cleanup Commands:
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| remove-item "$env:allusersprofile\cmd.exe" -force -erroraction silentlycontinue
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Atomic Test #2 - Malware Masquerading and Execution from Zip File
When the file is unzipped and the README.cmd file opened, it executes and changes the .pdf to .dll and executes the dll. This is a BazaLoader technique as reported here
Supported Platforms: Windows
auto_generated_guid: 4449c89b-ec82-43a4-89c1-91e2f1abeecc
| Name | Description | Type | Default Value |
|——|————-|——|—————|
| url | Location of zip file | url | https://github.com/redcanaryco/atomic-red-team/raw/master/atomics/T1036/bin/T1036.zip|
Attack Commands: Run with
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| Expand-Archive -Path "PathToAtomicsFolder\..\ExternalPayloads\T1036.zip" -DestinationPath "$env:userprofile\Downloads\T1036" -Force
cd "$env:userprofile\Downloads\T1036"
cmd /c "$env:userprofile\Downloads\T1036\README.cmd" >$null 2>$null
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Cleanup Commands:
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| taskkill /IM Calculator.exe /f >$null 2>$null
Remove-Item "$env:userprofile\Downloads\T1036" -recurse -ErrorAction Ignore
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Dependencies: Run with
Description: Zip file must be present.
Check Prereq Commands:
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| if (Test-Path "PathToAtomicsFolder\..\ExternalPayloads\T1036.zip") {exit 0} else {exit 1}
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Get Prereq Commands:
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| New-Item -Type Directory "PathToAtomicsFolder\..\ExternalPayloads\" -ErrorAction ignore -Force | Out-Null
Invoke-WebRequest #{url} -OutFile "PathToAtomicsFolder\..\ExternalPayloads\T1036.zip"
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