General
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Target
Umbral.exe
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Size
229KB
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Sample
231024-xg91tagb22
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MD5
a1d134ca35650fc8eb5029168dc77cf2
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SHA1
2d7d11e799d0fd81c6809e214fc0319fe0a3ae1b
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SHA256
e8051ca4e2624241ecf48c61e9bfd61e9d1f6cf6fb4cda85eba361edf853b289
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SHA512
b4a027c3d286cab99b588fafb82f372ff9e244b657e8909e6454cb23d690ceef8cbb687174fa9877f1cff0f2543cf680ebf175670eb653845749671905f01c4c
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SSDEEP
6144:lloZMArIkd8g+EtXHkv/iD4leoRDJ6idZIJbGmTDPb8e1mVi:noZHL+EP8leoRDJ6idZIJbGmTv/
Behavioral task
behavioral1
Sample
Umbral.exe
Resource
win7-20231020-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1166448531620515903/XozfZZDGmd0o6fPRfcsmuT0s-rn0ExHYfB1DeokQzQQlk-Zydtqw9Zqyohf3hj1L2WOA
Targets
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Target
Umbral.exe
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Size
229KB
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MD5
a1d134ca35650fc8eb5029168dc77cf2
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SHA1
2d7d11e799d0fd81c6809e214fc0319fe0a3ae1b
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SHA256
e8051ca4e2624241ecf48c61e9bfd61e9d1f6cf6fb4cda85eba361edf853b289
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SHA512
b4a027c3d286cab99b588fafb82f372ff9e244b657e8909e6454cb23d690ceef8cbb687174fa9877f1cff0f2543cf680ebf175670eb653845749671905f01c4c
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SSDEEP
6144:lloZMArIkd8g+EtXHkv/iD4leoRDJ6idZIJbGmTDPb8e1mVi:noZHL+EP8leoRDJ6idZIJbGmTv/
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Detect Umbral payload
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Drops file in Drivers directory
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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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