Group responsible for the 2018 SingHealth breach stealing 1.5 million patient records including the Singapore Prime Minister's data. This profile is mapped to MITRE ATT&CK G0107 and covers attribution, tooling, targeting, and defensive recommendations based on observed campaigns.
Overview & Attribution
Whitefly (also tracked as None publicly documented) is a threat group attributed to Unknown. The group primarily targets Singapore healthcare, government for intelligence collection and operational objectives aligned with state interests.
This group is tracked as G0107 in the MITRE ATT&CK framework. All techniques referenced in this report are mapped to ATT&CK for consistent threat modeling and detection engineering.
Arsenal & Tools
Known tools and malware associated with Whitefly include:
- Nibatad
- Vcrodat
- Termite
Targeting & Operations
Whitefly operations focus on Singapore healthcare, government. The group typically gains initial access through spear-phishing, exploitation of public-facing applications, or strategic web compromises before deploying custom implants for persistent access and data exfiltration.
Organizations in the Singapore healthcare sector should treat Whitefly as a relevant threat and validate their detection coverage against the MITRE ATT&CK techniques listed below.
MITRE ATT&CK Mapping
Key techniques observed in Whitefly operations:
| Technique ID | Technique Name | Tactical Context |
|---|---|---|
| T1059.001 | T1059.001 | Observed in Whitefly campaigns |
| T1003.001 | T1003.001 | Observed in Whitefly campaigns |
| T1074.001 | T1074.001 | Observed in Whitefly campaigns |
| T1071.001 | T1071.001 | Observed in Whitefly campaigns |
Full ATT&CK mapping: https://attack.mitre.org/groups/G0107/
Notable Campaigns
This threat group has been active in operations targeting Singapore healthcare, government. Security researchers have documented campaigns involving Nibatad and other tools deployed against organizations in multiple countries. Attribution confidence varies by campaign, but consistent infrastructure and TTP overlap links activity to Unknown-nexus operations.
Detection & Defense
Recommended defensive measures against Whitefly:
- Network monitoring: Detect C2 beaconing patterns associated with Nibatad and related implants
- Endpoint detection: Deploy behavioral rules for the ATT&CK techniques above, particularly T1059.001 and T1003.001
- Email security: Implement robust phishing defenses including URL sandboxing and attachment detonation
- Patch management: Prioritize patching of internet-facing applications exploited by this group
- Threat hunting: Proactively hunt for IOCs and behavioral indicators mapped to G0107 in MITRE ATT&CK
How Mjolnir Security Can Help
Defend Against Whitefly
Mjolnir Security provides tailored threat intelligence, detection engineering, and incident response services to help organizations defend against Unknown-nexus threat actors.
Contact us: mjolnirsecurity.com
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