New backdoor dubbed WizardUpdate, delivered via .PKG file Notarized by @Apple 😟👾 The Apple Developer ID is: Fiona Torok (M9S7M3WX5P). The .PKG hash is: 47fea0cf1eb04b5b0d7aba8c93646d8b63aae11783f629405cb7f93134dd6f86 delivered through ITW Browser Push Notifications
.PKG have post/pre install scripts that downloads & execute a dummy WebView based app, browsing to get[.]adobe[.]com, the App is : ae0fac3473e2d29cc06e425dbe72801504a63fbbd92c0f5546f18304b09fc9b8… signed by the same developer cert.
.PKG installer script also downloads the WizardUpdate backdoor that is executed every 3 hours via a Launch Agent. The archive of this backdoor is downloaded from cdnassets[.]dlvplayer[.]com
WizardUpdate 78b4478cd3f91c42333561abb9b09730a88154084947182b2ec969995b25ad78 is extracted to /Users/test/Library/Application Support/DLVPlayer/DLVPlayerAgentUpdate and downloads and executes shell commands, via system() function, received from api[.]dlvplayer[.]com 👾
In our testing environment, the observed script downloaded & executed by this backdoor was a script shell sending heartbeats “dlvplayer_agent_heartbeat” to the host at events[.]dlvplayer[.]com
As we usually see in adware, threat actors are geo targeting victims. For this adware, the country code is requested from apigeo[.]dlvplayer[.]com and sent along with unique information of the infected host, the first time the host is registered to the C&C:
Finally, dlvplayer[.]com registration date, and the numerous .PKG files all notarized for the Apple Developper ID Fiona Torok (M9S7M3WX5P) as seen in VT, suggesting that the campaign started around 31st December 2020 #malware #Apple
#IOC & STIX feed v2.1 for this campaign, can be found here:…

• • •

Missing some Tweet in this thread? You can try to force a refresh

Keep Current with ConfiantIntel

ConfiantIntel Profile picture

Stay in touch and get notified when new unrolls are available from this author!

Read all threads

This Thread may be Removed Anytime!


Twitter may remove this content at anytime! Save it as PDF for later use!

Try unrolling a thread yourself!

how to unroll video
  1. Follow @ThreadReaderApp to mention us!

  2. From a Twitter thread mention us with a keyword "unroll"
@threadreaderapp unroll

Practice here first or read more on our help page!

Did Thread Reader help you today?

Support us! We are indie developers!

This site is made by just two indie developers on a laptop doing marketing, support and development! Read more about the story.

Become a Premium Member ($3/month or $30/year) and get exclusive features!

Become Premium

Too expensive? Make a small donation by buying us coffee ($5) or help with server cost ($10)

Donate via Paypal Become our Patreon

Thank you for your support!

Follow Us on Twitter!