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Overview

overview

8

Static

static

1

189.html

windows10-1703-x64

8

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General

  • Target

    189

  • Size

    153KB

  • Sample

    240526-2477ysgd73

  • MD5

    e251f66f988785b33d1038ab73a59397

  • SHA1

    b22b6f9d4078f74579187feb0636d6bcc43aa38e

  • SHA256

    651728cb722aca2909b4f59b07867a0dbc080d7345b0ef4bddedc42bd6f64f2b

  • SHA512

    3bd2348313052041aba98de9bb5bdbe8db2bc7b7c838d06b7263a67c7240c9d7bb2727cd965b59b2ce544615b66fb522b976797485c6023866165f2726cfd0a2

  • SSDEEP

    3072:tRgfj8FD1bpOy8Zhc/SSXP3f/Jp39iW/j:7gfj8FD1bpTP3f/Jp39i4

Score
8/10
bootkitdiscoveryevasionpersistence

Malware Config

Targets

    • Target

      189

    • Size

      153KB

    • MD5

      e251f66f988785b33d1038ab73a59397

    • SHA1

      b22b6f9d4078f74579187feb0636d6bcc43aa38e

    • SHA256

      651728cb722aca2909b4f59b07867a0dbc080d7345b0ef4bddedc42bd6f64f2b

    • SHA512

      3bd2348313052041aba98de9bb5bdbe8db2bc7b7c838d06b7263a67c7240c9d7bb2727cd965b59b2ce544615b66fb522b976797485c6023866165f2726cfd0a2

    • SSDEEP

      3072:tRgfj8FD1bpOy8Zhc/SSXP3f/Jp39iW/j:7gfj8FD1bpTP3f/Jp39i4

    Score
    8/10
    bootkitdiscoveryevasionpersistence

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

      evasion

    • Looks for VMWare drivers on disk

      evasion

    • Looks for VMWare services registry key.

      evasion

    • Sets service image path in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks