Overview

overview

10

Static

static

8

559b4ec0b9...a0.xls

windows7_x64

10

559b4ec0b9...a0.xls

windows10_x64

10

Sharing

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General

  • Target
    559b4ec0b99a8e268d3dddd0c6a73f04317cdc9f597255fd1ce90015dfcfaea0
  • Size 1.6MB
  • Sample201006-696kpg4dpx
  • SHA256 559b4ec0b99a8e268d3dddd0c6a73f04317cdc9f597255fd1ce90015dfcfaea0
  • MD5 SHA1 SHA512
Score
10/10
ostapdownloadermacro

Malware Config

Targets

    • Target
      559b4ec0b99a8e268d3dddd0c6a73f04317cdc9f597255fd1ce90015dfcfaea0
    • Size 1.6MB
    • SHA256 559b4ec0b99a8e268d3dddd0c6a73f04317cdc9f597255fd1ce90015dfcfaea0
    • MD5 SHA1 SHA512
    Score
    10/10
    ostapdownloader

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • ostap

      Ostap is a JS downloader, used to deliver other families.

      downloaderostap

    • Blocklisted process makes network request

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks