Behavioral task
behavioral1
Sample
b4bbc8bf42cabc7c0db1b832e032258ebf370defc20cbd8c06bc6b1d6ad17c76.doc
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
b4bbc8bf42cabc7c0db1b832e032258ebf370defc20cbd8c06bc6b1d6ad17c76.doc
Resource
win10v2004-20220414-en
General
-
Target
b4bbc8bf42cabc7c0db1b832e032258ebf370defc20cbd8c06bc6b1d6ad17c76
-
Size
394KB
-
MD5
d32beffc12bd5ef368d89e2038e7427f
-
SHA1
e5063f432beeb94a8de0ae65868bdf80fbf97517
-
SHA256
b4bbc8bf42cabc7c0db1b832e032258ebf370defc20cbd8c06bc6b1d6ad17c76
-
SHA512
ad3693f2f7dfe9480648af0f84c01fd3682a4a9dc3e0bcfadae6a464b6babd84e0bce6d0689756ea61b4d62ca454dbe67b9797049f45fe92a8bc71d1435b6a6d
-
SSDEEP
3072:k+VvOBi8IouW2N8tuT4NQZOudSDSzaSRxT928Vhwow9twyHlAaIA3GcSLTVT/93h:BJoimkNzw60pwIR
Malware Config
Signatures
-
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
-
Processes:
resource sample
Files
-
b4bbc8bf42cabc7c0db1b832e032258ebf370defc20cbd8c06bc6b1d6ad17c76.doc .js windows office2003
Sheet1
ThisWorkbook
UserForm1