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WHHLight - simplified application control for Windows Home and Pro.
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<blockquote data-quote="Andy Ful" data-source="post: 1077031" data-attributes="member: 32260"><p><strong><span style="font-size: 18px">WHHLight vs. Banking trojan campaign</span></strong> (Astaroth, Mekotio & Ousaban abusing Google Cloud Run)</p><p>[URL unfurl="false"]https://malwaretips.com/threads/banking-trojans-target-latin-america-and-europe-through-google-cloud-run.129252/[/URL]</p><p>[URL unfurl="false"]https://blog.talosintelligence.com/google-cloud-run-abuse/[/URL]</p><p></p><p></p><p></p><p><strong><span style="color: rgb(184, 49, 47)">Attack flow (1):</span></strong></p><p><strong>phishing email ----> Google Cloud Run ----> malware (MSI file) ----> JScript download payloads (via Bitsadmin LOLBin) -----> banking trojan</strong></p><p><strong></strong></p><p><strong><span style="color: rgb(184, 49, 47)">Attack flow (2):</span></strong></p><p><strong>phishing email ----> Google Cloud Run ----> malware (MSI file) ----> banking trojan</strong></p><p></p><p>The second article includes the malware hashes. I checked them (MSI files) on VT (4 available) - all were unsigned.</p><p>SmartScreen blocks such malware samples (MSI file downloaded with MotW) due to low prevalence among users. If the file is downloaded without MotW it can be blocked by WDAC ISG. Two samples can be found on Any.Run. I downloaded them and confirmed the blocks.</p><p>The first attack can be also mitigated by default SWH settings (JScript blocked) and by FirewallHardening settings (Bitsadmin LOLBin blocked).</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 1077031, member: 32260"] [B][SIZE=5]WHHLight vs. Banking trojan campaign[/SIZE][/B] (Astaroth, Mekotio & Ousaban abusing Google Cloud Run) [URL unfurl="false"]https://malwaretips.com/threads/banking-trojans-target-latin-america-and-europe-through-google-cloud-run.129252/[/URL] [URL unfurl="false"]https://blog.talosintelligence.com/google-cloud-run-abuse/[/URL] [B][COLOR=rgb(184, 49, 47)]Attack flow (1):[/COLOR] phishing email ----> Google Cloud Run ----> malware (MSI file) ----> JScript download payloads (via Bitsadmin LOLBin) -----> banking trojan [COLOR=rgb(184, 49, 47)]Attack flow (2):[/COLOR] phishing email ----> Google Cloud Run ----> malware (MSI file) ----> banking trojan[/B] The second article includes the malware hashes. I checked them (MSI files) on VT (4 available) - all were unsigned. SmartScreen blocks such malware samples (MSI file downloaded with MotW) due to low prevalence among users. If the file is downloaded without MotW it can be blocked by WDAC ISG. Two samples can be found on Any.Run. I downloaded them and confirmed the blocks. The first attack can be also mitigated by default SWH settings (JScript blocked) and by FirewallHardening settings (Bitsadmin LOLBin blocked). [/QUOTE]
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