Attackers have increasingly started using Telegram as a control server (C2). One example is the Lazy Koala group, which Positive Technologies researchers recently discovered and set out to study.
While researching bots on Telegram, Positive Technologies team found that many are from Indonesia. The researchers were struck by the huge numbers of messages and victims, and how new bots and chats seem to appear on Telegram by the day, so they decided to get to the bottom of this “Indonesian tsunami.” In doing so, Positive Technologies found a couple chat-related SMS stealers from Indonesia. The researchers named them SMS Webpro and NotifySmsStealer because of the string stealers in the body. Sporadic attacks against Bangladesh and India were also detected.
Read more…
Source: Positive Technologies
Related:
- Sustained Campaign Using Chinese Espionage Tools Targets Telcos
June 20, 2024
Attackers using tools associated with Chinese espionage groups have breached multiple telecom operators in a single Asian country in a long-running espionage campaign. The attackers placed backdoors on the networks of targeted companies and also attempted to steal credentials. The attacks have been underway since at least 2021, with evidence to suggest that some of this ...
- Unmasking Mac malware – strategies for a growing threat
June 18, 2024
In recent years, cybercriminal groups have been ramping up their efforts to find vulnerabilities and create malware that will exploit the iOS or macOS. Jamf’s latest annual threat landscape research tracked 300 malware families designed for macOS, and 21 newly created families in 2023. It’s not just the number of malware families that has risen, but ...
- DISGOMOJI Malware Used to Target Indian Government
June 13, 2024
In 2024, Volexity identified a cyber-espionage campaign undertaken by a suspected Pakistan-based threat actor that Volexity currently tracks under the alias UTA0137. The malware used in these recent campaigns, which Volexity tracks as DISGOMOJI, is written in Golang and compiled for Linux systems. Volexity assesses with high confidence that UTA0137 has espionage-related objectives and a remit ...
- Sapphire Werewolf polishes Amethyst stealer to attack over 300 companies
June 5, 2024
Since March 2024, the BI.ZONE Threat Intelligence team has been tracking the cluster of activity dubbed Sapphire Werewolf. The threat actor targets Russia’s industries, such as education, manufacturing, IT, defense, and aerospace engineering. Over 300 attacks were carried out using Amethyst, an offshoot of the popular open‑source SapphireStealer. The attackers disguise the malware as an enforcement ...
- Moonstone Sleet emerges as new North Korean threat actor with new bag of tricks
May 28, 2024
Microsoft has identified a new North Korean threat actor, now tracked as Moonstone Sleet (formerly Storm-1789), that uses both a combination of many tried-and-true techniques used by other North Korean threat actors and unique attack methodologies to target companies for its financial and cyberespionage objectives. Moonstone Sleet is observed to set up fake companies and job ...
- Router Roulette: Cybercriminals and Nation-States Sharing Compromised Networks
May 27, 2024
Cybercriminals and Advanced Persistent Threat (APT) actors share a common interest in proxy anonymization layers and Virtual Private Network (VPN) nodes to hide traces of their presence and make detection of malicious activities more difficult. This shared interest results in malicious internet traffic blending financial and espionage motives. A prominent example of this includes a cybercriminal ...