Behavioral task
behavioral1
Sample
fd8fb3e11d99a6d6859132438636b7ee4b065c4d122fed6cf9ef09a8efb31949.doc
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
fd8fb3e11d99a6d6859132438636b7ee4b065c4d122fed6cf9ef09a8efb31949.doc
Resource
win10v2004-en-20220113
General
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Target
fd8fb3e11d99a6d6859132438636b7ee4b065c4d122fed6cf9ef09a8efb31949
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Size
376KB
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MD5
8bef6462eaf14f26e7bc698c0324f8c3
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SHA1
4deefb742406355b63fe645378f4b76cca5c2af4
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SHA256
fd8fb3e11d99a6d6859132438636b7ee4b065c4d122fed6cf9ef09a8efb31949
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SHA512
d60801696e761690accc0588b4a9118f8ab645ece3ecbb0394e4bf4e8c6d1233033f004b408b09033dd27e36545ec9f3e76a938f558d9ab876255e46a4aec85e
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SSDEEP
6144:ou2WSF1wZclp1+2wr7m8SiXyQ+SyGJCC5VBqAB6M9AB6M/AoCtX1UWAmGoKb7SK:gWZclp1+2wr7m8SiXyQ+SXd5VBqAB6M
Malware Config
Signatures
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Ostap JavaScript Downloader 1 IoCs
Ostap is a JavaScript downloader that's been active since 2016. It's used to deliver several families, inluding TrickBot
Processes:
resource yara_rule sample family_ostap -
Ostap family
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Processes:
resource yara_rule sample office_macros
Files
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fd8fb3e11d99a6d6859132438636b7ee4b065c4d122fed6cf9ef09a8efb31949.doc .js windows office2003
Sheet1
ThisWorkbook
UserForm1