General
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Target
b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925
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Size
35KB
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Sample
250529-rcb1bssvdz
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MD5
69ffb654cb8e2486d59f7bb6b2f8a2f8
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SHA1
55c22fc075049f9121670cfabd7d002ef5b918b8
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SHA256
b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925
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SHA512
a50d3ae099d3321c0ecadcfc3cc5602d10a2b03a97639fb9181fb0daf97e8f8a3599df70e380bf07d779b591c8ea831fe1fdfef8c474c5f676e609987a65f7fb
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SSDEEP
384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOr9NNV5H/V36aNQP+OKGDw9ce9cwwlwu:uZ4FLz8ae+rOn8ae+rO2aNQP+UDQvh43
Static task
static1
Behavioral task
behavioral1
Sample
b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925
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Size
35KB
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MD5
69ffb654cb8e2486d59f7bb6b2f8a2f8
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SHA1
55c22fc075049f9121670cfabd7d002ef5b918b8
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SHA256
b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925
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SHA512
a50d3ae099d3321c0ecadcfc3cc5602d10a2b03a97639fb9181fb0daf97e8f8a3599df70e380bf07d779b591c8ea831fe1fdfef8c474c5f676e609987a65f7fb
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SSDEEP
384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOr9NNV5H/V36aNQP+OKGDw9ce9cwwlwu:uZ4FLz8ae+rOn8ae+rO2aNQP+UDQvh43
Score10/10-
Cosmu family
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Detects Cosmu payload
Cosmu is a worm written in C++.
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Renames multiple (5249) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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