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Gigabud Vwork Shelter Fork App Cloning: Detection & IOCs

Gigabud clones banking apps inside a Vwork work profile, then runs fraudulent transactions: 9 detection rules, 15 IOCs and a free Splunk SPL rule.

Read the full threat intel for Gigabud Vwork Shelter Fork App Cloning: Detection & IOCs →

Chapters

  1. 0:00The hookVwork cloned apps on about 1,469 devices.
  2. 0:06The storyThe cloned app ran isolated, saw no other apps.
  3. 0:12Attack pathFake apps installed Gigabud and Vwork.
  4. 0:26AttributionAttributed to GoldFactory.
  5. 0:31Indicators of compromise10 indicators to hunt: 9 SHA-256 hashes and 1 package name.
  6. 0:38MITRE ATT&CK techniques12 ATT&CK techniques, from initial access to command and control.
  7. 0:43Remediation3 steps now: Hunt for and block the published Gigabud, Vwork and tampered.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Vwork cloned apps on about 1,469 devices.

0:06The cloned app ran isolated, saw no other apps.

0:09Fraud went undetected.

0:12Fake apps installed Gigabud and Vwork.

0:14Vwork created a work profile and cloned the banking app.

0:18The cloned app ran isolated from other apps.

0:21The operator executed fraudulent transactions.

0:27Attributed to GoldFactory. Confidence: medium.

0:3110 indicators to hunt: 9 SHA-256 hashes and 1 package name.

0:3912 ATT&CK techniques, from initial access to command and control.

0:443 steps now: Hunt for and block the published Gigabud, Vwork and tampered.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.