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3 résultats taggé UNC3944  ✕
Defending Against UNC3944: Cybercrime Hardening Guidance from the Frontlines https://cloud.google.com/blog/topics/threat-intelligence/unc3944-proactive-hardening-recommendations?hl=en
14/05/2025 11:32:02
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UNC3944, which overlaps with public reporting on Scattered Spider, is a financially-motivated threat actor characterized by its persistent use of social engineering and brazen communications with victims. In early operations, UNC3944 largely targeted telecommunications-related organizations to support SIM swap operations. However, after shifting to ransomware and data theft extortion in early 2023, they impacted organizations in a broader range of industries. Since then, we have regularly observed UNC3944 conduct waves of targeting against a specific sector, such as financial services organizations in late 2023 and food services in May 2024. Notably, UNC3944 has also previously targeted prominent brands, possibly in an attempt to gain prestige and increased attention by news media.

Google Threat Intelligence Group (GTIG) observed a decline in UNC3944 activity after 2024 law enforcement actions against individuals allegedly associated with the group. Threat actors will often temporarily halt or significantly curtail operations after an arrest, possibly to reduce law enforcement attention, rebuild capabilities and/or partnerships, or shift to new tooling to evade detection. UNC3944’s existing ties to a broader community of threat actors could potentially help them recover from law enforcement actions more quickly.

Recent public reporting has suggested that threat actors used tactics consistent with Scattered Spider to target a UK retail organization and deploy DragonForce ransomware. Subsequent reporting by BBC News indicates that actors associated with DragonForce claimed responsibility for attempted attacks at multiple UK retailers. Notably, the operators of DragonForce ransomware recently claimed control of RansomHub, a ransomware-as-a-service (RaaS) that seemingly ceased operations in March of this year. UNC3944 was a RansomHub affiliate in 2024, after the ALPHV (aka Blackcat) RaaS shut down. While GTIG has not independently confirmed the involvement of UNC3944 or the DragonForce RaaS, over the past few years, retail organizations have been increasingly posted on tracked data leak sites (DLS) used by extortion actors to pressure victims and/or leak stolen victim data. Retail organizations accounted for 11 percent of DLS victims in 2025 thus far, up from about 8.5 percent in 2024 and 6 percent in 2022 and 2023. It is plausible that threat actors including UNC3944 view retail organizations as attractive targets, given that they typically possess large quantities of personally identifiable information (PII) and financial data. Further, these companies may be more likely to pay a ransom demand if a ransomware attack impacts their ability to process financial transactions.

Mandiant EN 20245 ScatteredSpider UK Defending UNC3944 Guidance
UNC3944 Targets SaaS Applications https://cloud.google.com/blog/topics/threat-intelligence/unc3944-targets-saas-applications?hl=en
19/06/2024 10:47:01
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UNC3944 is a financially motivated threat group that carries significant overlap with public reporting of "0ktapus," "Octo Tempest," "Scatter Swine," and "Scattered Spider" and has been observed adapting its tactics to include data theft from software-as-a-service (SaaS) applications to attacker-owned cloud storage objects (using cloud synchronization tools), persistence mechanisms against virtualization platforms, and lateral movement via SaaS permissions abuse. Active since at least May 2022, UNC3944 has leveraged underground communities like Telegram to acquire tools, services, and support to enhance their operations.

Mandiant EN 2024 UNC3944 SaaS Applications Scattered-Spider TTPs
SIM Swapping and Abuse of the Microsoft Azure Serial Console: Serial Is Part of a Well Balanced Attack https://www.mandiant.com/resources/blog/sim-swapping-abuse-azure-serial
17/05/2023 08:16:57
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Attacker activity in Microsoft Azure that we attribute to a financially motivated threat actor.

mandiant EN 2023 Azure Azure-Serial-Console UNC3944
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