Malicious DLL File Dropped in the Teams or OneDrive Folder

Title: Malicious DLL File Dropped in the Teams or OneDrive Folder
Status: test
Description:Detects creation of a malicious DLL file in the location where the OneDrive or Team applications Upon execution of the Teams or OneDrive application, the dropped malicious DLL file ("iphlpapi.dll") is sideloaded
References:
  -https://blog.cyble.com/2022/07/27/targeted-attacks-being-carried-out-via-dll-sideloading/
Author: frack113
Date: 2022-08-12
modified:None
Tags:

• -'attack.persistence'
• -'attack.privilege-escalation'
• -'attack.execution'
• -'attack.stealth'
• -'attack.t1574.001'

Logsource:

• category: file_event
• product: windows

Detection:
  selection:
    TargetFilename|contains|all:
      -'iphlpapi.dll'
      -'\AppData\Local\Microsoft'

  condition:selection
Falsepositives:
  -Unknown
Level: high