General
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Target
https:// bitbucket .org/mounmeinlylo/rikirollin/downloads/tomPayload.vbs
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Sample
230605-xj4a2sab96
Score
10/10
Malware Config
Extracted
Family
asyncrat
Version
1.0.7
Botnet
Default
C2
127.0.0.1:2016
Attributes
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delay
1
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install
false
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install_folder
%AppData%
aes.plain
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.gic.co.th - Port:
587 - Username:
edu@gic.co.th - Password:
K4z7b3m - Email To:
lindahuber@yandex.com
Targets
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Target
https:// bitbucket .org/mounmeinlylo/rikirollin/downloads/tomPayload.vbs
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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Async RAT payload
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Blocklisted process makes network request
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Drops file in Drivers directory
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Drops Chrome extension
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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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Suspicious use of SetThreadContext
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