NetWalker Ransomware: No Respite, No English Required
NetWalker is following a now-familiar pattern: increased ransom demands, threats to leak victim data and relentless attacks during the COVID-19 pandemic.
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Sarwent Malware Continues to Evolve With Updated Command Functions
Sarwent has received little attention from researchers, but this backdoor malware is still being actively developed, with new commands and a focus on RDP.
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Deep Dive Into TrickBot Executor Module “mexec”: Reversing the Dropper Variant
Continuing our earlier analysis of the TrickBot Executor Module “mexec”, we take a look at the dropper variant and reveal how it carries its payload onboard.
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The Anatomy of an APT Attack and CobaltStrike Beacon’s Encoded Configuration
Cybercrime and nation state attacks haven’t come to a stop due to COVID-19. Here we describe a recent APT attack on a global brand prevented by SentinelOne.
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Meet NEMTY Successor, Nefilim/Nephilim Ransomware
Ransomware families NEMTY, Nefilim and Nephilim continue to evolve and merge, taking on aspects of other successful variants that aim to encrypt and extort.
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IcedID Botnet | The Iceman Goes Phishing for US Tax Returns
In light of the extended US tax deadline due to coronavirus, tax fraud remains a viable avenue for the criminal group behind the ICEDID banking malware.
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Maze Ransomware Update: Extorting and Exposing Victims
Maze ransomware doesn’t just demand payment for a decryptor but exfiltrates victim data and threatens to leak it publicly if the target doesn’t pay up.
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Deep Dive Into TrickBot Executor Module “mexec”: Hidden “Anchor” Bot Nexus Operations
New “mexec” module delivers tertiary malware and allows TrickBot to pivot within a network, deploy a variety of payloads and evade common detection methods.
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Breaking TA505’s Crypter with an SMT Solver
TA505 threat group use a crypter common to Clop/CryptoMix ransomware and others. We tear it down with a new unpacker utilizing SMT.
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Revealing the Trick | A Deep Dive into TrickLoader Obfuscation
TrickBot’s loader has received much less attention than other components of the malware. Jason Reaves shows how to reverse engineer the TrickLoader function.
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