General
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Target
Umbral3.exe
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Size
229KB
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Sample
240426-qectzacc96
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MD5
7a902c87a60986f18a6b097712299256
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SHA1
2c01906a39faa9d27a41e0d3cd84e92410b9c483
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SHA256
e4e4f9045dc3683a2a69b9c7625f2ff46ed241ff64b47660a039dbc9d34cb0d5
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SHA512
c8b75b3f0a77d1f84167af3c431e186802ccd5271fc4a361142e0209541de37f5d584d487bf5ea4b4d921e6e3846267fdea9f65cbd71001331bfea08de5425b6
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SSDEEP
6144:tloZMCrIkd8g+EtXHkv/iD4DDUgoOJBiLHaIJtM34b8e1mmi:voZRL+EP8DDUgoOJBiLHaIJtMQI
Behavioral task
behavioral1
Sample
Umbral3.exe
Resource
win7-20240221-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1233119648527159317/Az86qBZQwyED_alc1sGO6UWR18PzIJCJX0PM3XdL1VTOwZPXr0B4Rc6-GqAkKUjg4Jn2
Targets
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Target
Umbral3.exe
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Size
229KB
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MD5
7a902c87a60986f18a6b097712299256
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SHA1
2c01906a39faa9d27a41e0d3cd84e92410b9c483
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SHA256
e4e4f9045dc3683a2a69b9c7625f2ff46ed241ff64b47660a039dbc9d34cb0d5
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SHA512
c8b75b3f0a77d1f84167af3c431e186802ccd5271fc4a361142e0209541de37f5d584d487bf5ea4b4d921e6e3846267fdea9f65cbd71001331bfea08de5425b6
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SSDEEP
6144:tloZMCrIkd8g+EtXHkv/iD4DDUgoOJBiLHaIJtM34b8e1mmi:voZRL+EP8DDUgoOJBiLHaIJtMQI
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Detect Umbral payload
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Drops file in Drivers directory
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Deletes itself
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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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