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| Src | Date (GMT) | Titre | Description | Tags | Stories | Notes |
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2017-10-16 22:32:36 | Taiwan Heist: Lazarus Tools and Ransomware (lien direct) | Written by Sergei Shevchenko, Hirman Muhammad bin Abu Bakar, and James WongBACKGROUNDReports emerged just over a week ago of a new cyber-enabled bank heist in Asia. Attackers targeting Far Eastern International Bank (FEIB), a commercial firm in Taiwan, moved funds from its accounts to multiple overseas beneficiaries. In a story which reminds us of the Bangladesh Bank case – the culprits had compromised the bank's system connected to the SWIFT network and used this to perform the transfers. In recent days, various malware samples have been uploaded to malware repositories which appear to originate from the intrusion. These include both known Lazarus group tools, as well as a rare ransomware variant called 'Hermes' which may have been used as a distraction or cover-up for the security team whilst the heist was occurring. The timeline below provides an overview of the key events: 01 October 2017  Malware compiled containing admin credentials for the FEIB network. 03 October 2017  Transfers using MT103 messages were sent from FEIB to Cambodia, the US and Sri Lanka. Messages to cover the funds for the payments were incorrectly created and sent. 03 October 2017  Breach discovered and ransomware uploaded to online malware repository site. 04 October 2017 Individual in Sri Lanka cashes out a reported Rs30m (~$195,000). 06 October 2017  |
Medical | Wannacry APT 38 | |
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2017-05-17 03:33:55 | WanaCrypt0r Ransomworm (lien direct) | Written by Sergei Shevchenko and Adrian NishBACKGROUNDSince the release of the ETERNALBLUE exploit by 'The Shadow Brokers' last month security researchers have been watching for a mass attack on global networks. This came on Friday 12th May when it was bundled with ransomware called WanaCrypt0r and let loose. Initial reports of attacks were highlighted by Telefonica in Spain but the malware quickly spread to networks in the UK where the National Health Service (NHS) was impacted, followed by many other networks across the world.The infographic below illustrates the key components of the WanaCrypt0r ransomware. This is described in further detail in subsequent sections of this report along with initial clues on attribution. ANALYSIS: Initial VectorThe initial infection vector is still unknown. Reports by some of phishing emails have been dismissed by other researchers as relevant only to a different (unrelated) ransomware campaign, called Jaff.There is also a working theory that initial compromise may have come from SMB shares exposed to the public internet. Results from Shodan show over 1.5 million devices with port 445 open – the attacker could have infected those shares directly.The Dropper/WormThe infection starts from a 3.6Mb executable file named mssecsvc.exe or lhdfrgui.exe. Depending on how it's executed, it can function as a dropper or as a worm.When run, the executable first checks if it can connect to the following URL:http://www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea[.]com The connection is checked with the WinINet functions, shown below: 01 qmemcpy(&szUrl, 02 "http://www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea[.]com", 03 57u); 04 h1 = InternetOpenA(0,&nbs |
Guideline Medical | Wannacry APT 38 |
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