General
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Target
acf2a71cba2dc40faf0c8a9a63189beb1cfd5a3601a202b02101cd7b69ec34e8
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Size
28KB
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Sample
220707-f52wnsfgh7
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MD5
0900fded4335b644fc5a6064236a2050
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SHA1
546e9292879e58e98af15fa56468a3f051e71ab9
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SHA256
acf2a71cba2dc40faf0c8a9a63189beb1cfd5a3601a202b02101cd7b69ec34e8
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SHA512
237a98edbaaa5dd7d908dc289bf69b5ea9b8a6262142d5dc511547f15590d0481f5d4eadd59afeea488765239a07f24a9bca45112104fd36208d5f9ef13cf931
Static task
static1
Malware Config
Extracted
asyncrat
1.0.7
Default
7.tcp.eu.ngrok.io:12728
whrjiouwrhjnwui
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delay
1
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install
true
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install_file
MsEdge.exe
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install_folder
%Temp%
Targets
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Target
acf2a71cba2dc40faf0c8a9a63189beb1cfd5a3601a202b02101cd7b69ec34e8
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Size
28KB
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MD5
0900fded4335b644fc5a6064236a2050
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SHA1
546e9292879e58e98af15fa56468a3f051e71ab9
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SHA256
acf2a71cba2dc40faf0c8a9a63189beb1cfd5a3601a202b02101cd7b69ec34e8
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SHA512
237a98edbaaa5dd7d908dc289bf69b5ea9b8a6262142d5dc511547f15590d0481f5d4eadd59afeea488765239a07f24a9bca45112104fd36208d5f9ef13cf931
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suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
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Async RAT payload
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Looks for VirtualBox Guest Additions in registry
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Nirsoft
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Downloads MZ/PE file
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Executes dropped EXE
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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