General
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Target
https://cdn.discordapp.com/attachments/1231358831897088012/1233516767071043655/Umbral.exe?ex=662d6182&is=662c1002&hm=a3eca0624bde300b165073c384e80ff117d134e4eeaf365cc1ea0ae1329c9648&
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Sample
240426-zd5m2abg32
Score
10/10
Malware Config
Targets
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Target
https://cdn.discordapp.com/attachments/1231358831897088012/1233516767071043655/Umbral.exe?ex=662d6182&is=662c1002&hm=a3eca0624bde300b165073c384e80ff117d134e4eeaf365cc1ea0ae1329c9648&
Score10/10-
Detect Umbral payload
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Umbral
Umbral stealer is an opensource moduler stealer written in C#.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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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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