Overview

overview

10

Static

static

updatewin1.exe

windows7_x64

10

updatewin1.exe

windows10_x64

10

Sharing

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General

  • Target

    updatewin1.exe

  • Size

    272KB

  • Sample

    210215-pd7d1x7h5e

  • MD5

    5b4bd24d6240f467bfbc74803c9f15b0

  • SHA1

    c17f98c182d299845c54069872e8137645768a1a

  • SHA256

    14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

  • SHA512

    a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

Score
10/10
evasion

Malware Config

Targets

    • Target

      updatewin1.exe

    • Size

      272KB

    • MD5

      5b4bd24d6240f467bfbc74803c9f15b0

    • SHA1

      c17f98c182d299845c54069872e8137645768a1a

    • SHA256

      14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

    • SHA512

      a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

    Score
    10/10
    evasion

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Deletes itself

    • Enumerates physical storage devices

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks