General
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Target
celex.zip
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Size
644KB
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Sample
240507-bg8xvsbe7x
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MD5
ba9b26dd146c97220dd13770bb29ecf0
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SHA1
da0694215423d103512f45856fccc742e48951f2
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SHA256
bd1077abb660d881bcd6d67997500ba2711898dd32c65d110d433876f42c7562
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SHA512
3e7f75ae38e388374ccd2dd251a5c5443ebf90cf34dcd49580f5532d89e8315106c17f4de79298eb2983a36aed35f186d23aad434c113a029ca1381295e13039
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SSDEEP
12288:U0pT6kb1AvPO+U3KpUOUT6eLCaj1Sz0bTIQ+ceZiSl+XQS8r:U6T6kbsGK67T6eLBGlcegm+gS4
Behavioral task
behavioral1
Sample
celex/celex.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
celex/celex.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
celex/celex.exe
Resource
win7-20240221-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1157539550202175508/bMQmprnNW_YWr8QpVQ5zMXdWzlm3rfBo94XzDEmBz73xfPgW9fNPx7PlsrG8XSq9bHed
Targets
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Target
celex/celex.dll
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Size
1.1MB
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MD5
d91f8a8d5c8559744464d1109225b505
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SHA1
6a8507f3fce19ef0aabe3c5919bd3670134b3f4f
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SHA256
49e2d50afd26e329be5fe0b6b56c2f499aa67c7ff3c6e07594f03490a44a3685
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SHA512
87e4ce1fa50abd01c497c499c876e45fbd5b8f6577cb994e0f3154893b8c2d0ef306b434ca430ef68bab8c2cf7477152ecaf4f4e546dd0bfbc9f992a66b17b5d
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SSDEEP
24576:v5HGqEFgz/4cWN2hkvqWYWIPBK6DytDlrIAyqntGDojy:v5mq3zg/NQkjYWsYjntgx
Score1/10 -
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Target
celex/celex.exe
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Size
232KB
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MD5
c1e78a3d9c64ee73677e72545163c126
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SHA1
28a33f173005ec78dc14c67d5b5761f4405243be
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SHA256
9c6a028c15964ab83a35637a55e9738eec342d67f16c7c0d347b31f259e28629
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SHA512
a8e666fd43d72801db460ecced8ae5217442919b9b1b50b0efdaa5db1b3950dab5d20e6b6567d3463c0808b1b73d6bd40310a6e637a3b8de66b677bcb9ad01ad
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SSDEEP
6144:rloZMLrIkd8g+EtXHkv/iD4ThFphv0IHg2PxM4dy+b8e1magci:poZ0L+EP8ThFphv0IHg2PxM4dpu1
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Detect Umbral payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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