QiAnXin Threat Intelligence Center and Falcon Operations Team observed in their daily operations that in June 2024, several foreign counterparts reported in-the-wild attacks related to the new attack technique GrimResource.
QiAnXin Threat Intelligence Center and Falcon Operations Team promptly conducted research on this technique and have been continuously monitoring it. In mid-July 2024, they discovered the first attack incident in government and enterprise terminals, and the researchers classified the nature of the attack as black industry. The GrimResource technique exploits the XSS vulnerability in mmc system files to execute JS code and uses DotNetToJScript to load arbitrary .NET programs into memory. This not only bypasses ActiveX control warnings but also enables fileless payload execution.
Read more…
Source: QiAnXin Threat Intelligence Center/Falcon Operations Team
Related:
- Financial Fraud APK Campaign
January 12, 2024
During Unit 42 ivestigation discovering threats in legitimate network traffic, activity generated by a certain type of Android Package Kit (APK) files kept hitting their radar. The research revealed a family of malicious APKs targeting Chinese users that steals victim information and conducts financial fraud. To do this, the threat actor masquerades as a law enforcement ...
- China: Foreign geographic information software collects sensitive data, posing threat to national security
December 11, 2023
China’s national security agencies have discovered that foreign geographic information system software used in important industries in China has been collecting and transmitting geographic information data with some of the information collected involving state secrets, posing a serious threat to national security, China’s Ministry of State Security said on Monday, noting that national security agencies will ...
- UK: Sellafield nuclear site hacked by groups linked to Russia and China
December 4, 2023
The UK’s most hazardous nuclear site, Sellafield, has been hacked into by cyber groups closely linked to Russia and China, the Guardian can reveal. The astonishing disclosure and its potential effects have been consistently covered up by senior staff at the vast nuclear waste and decommissioning site, the investigation has found. The Guardian has discovered that ...
- Foreign spy conducts cyberattacks against China’s defense, high-tech firm
November 27, 2023
China’s Ministry of State Security (MSS) disclosed a new case on Monday of foreign espionage activities involving the recruitment of a Chinese software developer who provided “technical services.” This spy agency used “poisoned” software to conduct cyberattacks and steal secrets from dozens of China’s defense and high-tech enterprises. Wang, a Chinese engineer in the network technology ...
- Stately Taurus targets the Philippines as tensions flare in the South Pacific
November 17, 2023
Tensions between China and the Philippines have risen sharply over the past several months. Coinciding with these real-world events, Unit 42 researchers observed three Stately Taurus campaigns during the month of August. These campaigns are assessed to have targeted entities in the South Pacific including the Philippines government. The campaigns leveraged legitimate software including Solid PDF ...
- Gang says ICBC paid ransom over hack that disrupted US Treasury market
November 14, 2023
China’s biggest lender, the Industrial and Commercial Bank of China, paid a ransom after it was hacked last week, a Lockbit ransomware gang representative said on Monday in a statement which Reuters was unable to independently verify. ICBC, whose U.S. arm was hit by a ransomware attack that disrupted trades in the U.S. Treasury market on ...