Overview

overview

10

Static

static

3

023655c5b1...12.exe

windows7-x64

10

023655c5b1...12.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    023655c5b1efb37aa1395c1d3d348d12

  • Size

    600KB

  • Sample

    231229-yh7grahgb6

  • MD5

    023655c5b1efb37aa1395c1d3d348d12

  • SHA1

    16213bba8b917491df6917639432a9156332410e

  • SHA256

    569da460c4eb9e1d22bd5afb99e72c0f74645c3de34c1e0eb444b5b1fdb6b0ee

  • SHA512

    65fef4bed62db99b3a76384ceabb2d11d6ff573adbf541271ec48c8fb9939109fe9746f6b64320e15f0f8135f9457120ba876a3b64d3977a9d17e79a9f9c4ddb

  • SSDEEP

    6144:282p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBilv:gp4pNfz3ymJnJ8QCFkxCaQTOl2GVqmQN

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      023655c5b1efb37aa1395c1d3d348d12

    • Size

      600KB

    • MD5

      023655c5b1efb37aa1395c1d3d348d12

    • SHA1

      16213bba8b917491df6917639432a9156332410e

    • SHA256

      569da460c4eb9e1d22bd5afb99e72c0f74645c3de34c1e0eb444b5b1fdb6b0ee

    • SHA512

      65fef4bed62db99b3a76384ceabb2d11d6ff573adbf541271ec48c8fb9939109fe9746f6b64320e15f0f8135f9457120ba876a3b64d3977a9d17e79a9f9c4ddb

    • SSDEEP

      6144:282p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBilv:gp4pNfz3ymJnJ8QCFkxCaQTOl2GVqmQN

    Score
    10/10
    persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks