Category: reverse engineering

TA-505 Cybercrime on System Integrator Companies

  

Introduction During a normal monitoring activity, one of the detection tools hits a suspicious email coming from the validtree.com domain. The domain was protected by a Panama company to hide its real registrant and this condition rang a warning bell on the suspected email so that it required a manual analysis in order to investigate […]

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Is Lazarus/APT38 Targeting Critical Infrastructures ?

   

Introduction During the past few days a cyber attack hit Kudankulam Nuclear Power Plant: the largest nuclear power plant located in the Indian state of Tamil Nadu. The news was announced on Monday October 28 by the Indian strategic infrastructure. In a press release on arstechnica, NPCIL Associate Director A. K. Nema stated, “Identification of […]

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SWEED Targeting Precision Engineering Companies in Italy

   

Introduction Today I’d like to share a quick analysis of an interesting attack targeting precision engineering companies based in Italy. Precision engineering is a very important business market in Europe, it includes developing mechanical equipment for: automotive, railways, heavy industries and military grade technology . The attacker pretended to be a customer and sent to […]

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Is Emotet gang targeting companies with external SOC?

    

Introduction The group behind Emotet malware is getting smarter and smarter in the way the deliver such a Malware. While the infection schema looks alike from years; the way the group tries to infect victims improves from day to day.Today I’d like to share a quick analysis resulted by a very interesting email which claimed […]

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Frequent VBA Macros used in Office Malware

    

Nowadays one of the most frequent cybersecurity threat comes from Malicious (office) document shipped over eMail or Instant Messaging. Some analyzed threats examples include: Step By Step Office Dropper Dissection, Spreading CVS Malware over Google, Microsoft Powerpoint as Malware Dropper, MalHIDE, Info Stealing: a New Operation in the Wild, Advanced All in Memory CryptoWorm, etc. […]

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Writing Your First Bootloader for Better Analyses

     

From time to time we might observe special Malware storing themselves into a MBR and run during the booting process. Attackers could use this neat technique to infect and to mess-up your disk and eventually asking for a ransom before restoring original disk-configurations (Petya was just one of the most infamous boot-ransomware). But this is […]

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Similarities and differences between MuddyWater and APT34

    

Many state sponsored groups have been identified over time, many of them have different names (since discovered by different organizations) and there is no an agreed standardization on the topic but many victims and some interests look very tight together. From here the idea to compare the leaked source code of two different state sponsored […]

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