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Malware analysis

Most recent on Malware analysis

02 October 2023  — 9 min read
Acronis
02 October 2023  — 9 min read
BlackByte 3.0 uses vulnerable drivers to compromise systems
BlackByte is an example of ‘ransomware-as-a-service‘ (RaaS), and the threat actors behind it constantly upgrade their malware to keep customers satisfied. Recent changes have increased the complexity of cybersecurity analytics, while also introducing new anti-analysis and anti-debugging techniques.
17 July 2023  — 9 min read
Acronis
17 July 2023  — 9 min read
8Base ransomware stays unseen for a year
8Base ransomware was first spotted in June 2023, with a massive number of targeted victims. It was later discovered that 8Base originated in March 2022 with the launch of an associated data leak site.
16 May 2023  — 11 min read
Acronis
16 May 2023  — 11 min read
RedLine Stealer: A malware-as-a-service info-stealer
Redline Stealer is a malware-as-a-service (MAAS) info-stealer that is offered in cybercriminal forums and on Telegram channels. The malware was first observed in February 2020 for Windows systems.
04 May 2023  — 9 min read
Acronis
04 May 2023  — 9 min read
Raccoon Stealer: A popular and dangerous threat
Raccoon Stealer, also known as Mohazo or Racealer, is an info-stealer malware that first appeared in 2019, and is available as malware-as-a-service (MAAS). Available as MaaS, it has already infected over 100,000 devices in the wild, across organizations and individuals, and became one of the most-mentioned attacks on underground forums.
28 April 2023  — 9 min read
Acronis
28 April 2023  — 9 min read
Malware with a “Money Message”
The purpose of Money Message ransomware is to encrypt files on a targeted computer, rendering the victim's system unusable. It was first reported on Twitter by the Zscaler ThreatLabZ research team.
26 April 2023  — 5 min read
Acronis
26 April 2023  — 5 min read
Maui: An active and dangerous data wiper
Maui is a wiper that is designed to delete or overwrite data on a computer or digital device, causing damage and disrupting operations. This malware was first discovered by the FBI in May 2021, and is presumed to have been developed under the guidance of North Korea.
29 March 2023  — 9 min read
Acronis
29 March 2023  — 9 min read
SwiftSlicer: A simple yet dangerous data wiper
On January 25, 2023, ESET Research found a new data wiper in the network of Ukrinform, Ukraine’s national news agency. Later, the Computer Emergency Response Team of Ukraine (CERT-UA) added that as of January 27, five additional, different malware samples were spotted in the network.
06 March 2023  — 15 min read
Acronis
06 March 2023  — 15 min read
IcedID (BokBot): From banking trojan to backdoor
IcedID, also known as BokBot, was initially a banking trojan when it was discovered in 2017. Now it is mostly used as an initial access broker for other malware. This malware typically uses malicious email attachments to infect victims' machines. It has been known to use various types of attachments — such as archives, Word and Excel files — but the latest attacks used OneNote files.
13 February 2023  — 7 min read
Acronis
13 February 2023  — 7 min read
CaddyWiper makes Windows machines unusable
CaddyWiper is an example of data-wiping malware, whose purpose is to corrupt the operating system and leave the targeted device unusable. It was first spotted in Ukraine in mid-March 2022 by the ESET research team.
06 February 2023  — 8 min read
Acronis
06 February 2023  — 8 min read
DoubleZero: A data wiper deployed against Ukraine
The DoubleZero wiper — so named for its tactic of zeroing files — was first discovered on March 17, 2022 by CERT-UA (the Computer Emergency Response Team of Ukraine). The malware was designed in order to wipe out system files, non-system files and entire registry branches, and was spread by spear phishing emails with an attached ZIP that contains the malware file.
02 February 2023  — 8 min read
Acronis
02 February 2023  — 8 min read
Vawtrak: A banking trojan with a long history
Vawtrak is a banking trojan — a form of malware that attempts to steal credentials from banks. It spreads via phishing emails and spam emails that contain a malicious document, loaded with a macro. The primary target of this malware are banks and insurance companies, mainly in Germany.
05 January 2023  — 9 min read
Acronis
05 January 2023  — 9 min read
Royal ransomware’s actors make high demands
Royal ransomware was first spotted in January 2022, targeting different corporations. This group does not provide ransomware-as-a-service. The attackers demand figures ranging from $250,000 to over $2 million from their victims.
09 December 2022  — 9 min read
Acronis
09 December 2022  — 9 min read
KmsdBot: DDoS and cryptomining combined
On November 10, 2022, the Akamai Security Intelligence Response Team published an article with the description of the newly spotted KmsdBot, which infected their honeypot. Gaming company FiveM, which provides software for GTA V for hosting custom private servers (and happens to be Akamai’s client), became the first victim. During their investigation, researchers found many samples that were built for different architectures.