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Medium
Analysis Summary
Lumma is an information stealer that is sold as a Malware-as-a-Service (MaaS) on Russian-speaking underground forums and Telegram. Lumma is an information stealer, which means its primary purpose is to steal sensitive data from infected systems. Lumma is written in the C programming language, which allows for efficient and low-level access to system resources. It is distributed as a service by LummaC, the seller, on Russian-speaking underground forums and Telegram channels. Lumma places a particular emphasis on stealing cryptocurrency wallets. This indicates that the malware is designed to target and extract sensitive information related to cryptocurrency, such as private keys or wallet.dat files. In addition to its focus on cryptocurrency wallets, Lumma also possesses file-grabber capabilities.
To protect against Lumma Stealer and similar threats, it is essential to follow security best practices. This includes regularly updating software and operating systems, using strong and unique passwords, implementing multi-factor authentication, exercising caution when opening email attachments or clicking on suspicious links, and using reputable antivirus/anti-malware solutions. Security awareness training can also help users recognize and avoid phishing attempts.
Impact
- Data Exfiltration
- Credential Theft
- Information Theft
- Financial Loss
Indicators of Compromise
MD5
- bed364cb0937fcdbb874627bde6ad8dd
- b12e16778fc59591c0be9a05f177bdae
- dd6f16b384883ad6d715bb1cd3fe210c
- da0fd93c8918190388e08068c301f2cb
SHA-256
- ea832cab882dda2cc9aec976e771bec32d0e15f487ead5ea5e21d195f86c1da7
- 675290c045ad958ec71e15c3134b41c1e4aa8be8475b4ad46b8d4a323936d750
- 080d798f7ebfb05b33ea075b9cb9ebdffce54256c6b14bc598f3c72c66b5876f
- 84290b02941b82b78d16c311e067ed8d6850d48c8fb4b0da4db5c874a85c209a
SHA-1
- 281dd9624caf2c87e41637884150391707d73693
- 3809bacf7fa357579a7d0f81d036d7fc5e482dd6
- e33a7a624695229c4f32f5354f9f40295f3cc9f1
- c174cb5ca97de131b79cd2d6dbeaa0678720af5c
Remediation
- Block all threat indicators at your respective controls.
- Search for indicators of compromise (IOCs) in your environment utilizing your respective security controls.
- Emails from unknown senders should always be treated with caution. Never trust or open links and attachments received from unknown sources/senders.
- Maintain cyber hygiene by updating your anti-virus software and implementing a patch management lifecycle.
- Patch and upgrade any platforms and software timely and make it into a standard security policy. Prioritize patching known exploited vulnerabilities and zero-days.
- Enable antivirus and anti-malware software and update signature definitions on time. Using multi-layered protection is necessary to secure vulnerable assets.