Overview

overview

8

Static

static

a4a9c4c387...5c.exe

windows7-x64

8

a4a9c4c387...5c.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    a4a9c4c3877cf65050f78713b2254df3efd4b0774cc4321318446120c255a55c

  • Size

    936KB

  • Sample

    221206-szk27aag34

  • MD5

    70d4a5f85dca5957c0f2034239c48a07

  • SHA1

    269690b78531ebae3c2f505fc358b93c9b2962c0

  • SHA256

    a4a9c4c3877cf65050f78713b2254df3efd4b0774cc4321318446120c255a55c

  • SHA512

    3f4db839fff2bf83080d0e9fb2cdc69b7e7ff705d0af8df137824d6b2e60f091e3b1ada70ed6c513e548af4315b00e80e4e0bccec31eb56d76579ffb364c9d99

  • SSDEEP

    24576:QUTOCFgEhNOptidWukhwBb7XzfM+cjXgjJOvwoo8HM:QUTOCFlyux7jfMxjXQawq

Score
8/10
bootkitpersistence

Malware Config

Targets

    • Target

      a4a9c4c3877cf65050f78713b2254df3efd4b0774cc4321318446120c255a55c

    • Size

      936KB

    • MD5

      70d4a5f85dca5957c0f2034239c48a07

    • SHA1

      269690b78531ebae3c2f505fc358b93c9b2962c0

    • SHA256

      a4a9c4c3877cf65050f78713b2254df3efd4b0774cc4321318446120c255a55c

    • SHA512

      3f4db839fff2bf83080d0e9fb2cdc69b7e7ff705d0af8df137824d6b2e60f091e3b1ada70ed6c513e548af4315b00e80e4e0bccec31eb56d76579ffb364c9d99

    • SSDEEP

      24576:QUTOCFgEhNOptidWukhwBb7XzfM+cjXgjJOvwoo8HM:QUTOCFlyux7jfMxjXQawq

    Score
    8/10
    bootkitpersistence

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks