Overview

overview

10

Static

static

3b39b03f91...85.exe

windows7-x64

10

3b39b03f91...85.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b39b03f91bec02dc2b79d3297215111795f4888c0658a51e44b2aa0576f3085

  • Size

    428KB

  • Sample

    220919-p56djahfg2

  • MD5

    0a7a8c4ca59dabd64f75eaa678144153

  • SHA1

    90cc7adb9e638ef95979940a05be03103048ce91

  • SHA256

    3b39b03f91bec02dc2b79d3297215111795f4888c0658a51e44b2aa0576f3085

  • SHA512

    b1d30dced07890acf7e0ea4879aea83dbc5e684b4ccc0d7c608bd52c4b6a46079c0689c7ecc8859b79ec1c903e742131768b622034d232a1a97ef71bcce62e8b

  • SSDEEP

    12288:ID68wBaz66GI//cf96P499hBWUlzMD68wN:JagIsf97hBPzh

Score
10/10
bootkitevasionpersistence

Malware Config

Targets

    • Target

      3b39b03f91bec02dc2b79d3297215111795f4888c0658a51e44b2aa0576f3085

    • Size

      428KB

    • MD5

      0a7a8c4ca59dabd64f75eaa678144153

    • SHA1

      90cc7adb9e638ef95979940a05be03103048ce91

    • SHA256

      3b39b03f91bec02dc2b79d3297215111795f4888c0658a51e44b2aa0576f3085

    • SHA512

      b1d30dced07890acf7e0ea4879aea83dbc5e684b4ccc0d7c608bd52c4b6a46079c0689c7ecc8859b79ec1c903e742131768b622034d232a1a97ef71bcce62e8b

    • SSDEEP

      12288:ID68wBaz66GI//cf96P499hBWUlzMD68wN:JagIsf97hBPzh

    Score
    10/10
    bootkitevasionpersistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Process spawned unexpected child process

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

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks