General
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Target
http://bitbucket.org/mounmeinlylo/rickirollin/
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Sample
230614-3k4wvseb2x
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://bitbucket.org/mounmeinlylo/rickirollin/
Resource
win10v2004-20230221-en
Malware Config
Extracted
https://firebasestorage.googleapis.com/v0/b/fir-8c14f.appspot.com/o/rumpe_js.txt?alt=media&token=0ebb3747-9f9d-427c-a6fd-d0c057ba176e
Extracted
https://firebasestorage.googleapis.com/v0/b/fir-8c14f.appspot.com/o/rumpe_js.txt?alt=media&token=0ebb3747-9f9d-427c-a6fd-d0c057ba176e
Targets
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Target
http://bitbucket.org/mounmeinlylo/rickirollin/
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Blocklisted process makes network request
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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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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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