Overview

overview

10

Static

static

bd2d503d6d...ad.exe

windows7-x64

10

bd2d503d6d...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bd2d503d6d1f4929810267f67280e100e0279ba4ba3a5d3a43c311a4733681ad

  • Size

    340KB

  • Sample

    220919-c7x4qachf4

  • MD5

    957eacda80f1e984a00ec73d9db2a4ea

  • SHA1

    06f6c779bcf3a83bffbb4135ae29b14e09267296

  • SHA256

    bd2d503d6d1f4929810267f67280e100e0279ba4ba3a5d3a43c311a4733681ad

  • SHA512

    a0e765be70c0034693f0fa4117cb0ed3f35ba7076b561bed5aadc238819028b81f48a04301177d2b4897f4bb846006dfc6a79491312af0bd25fb2c928d2a3b20

  • SSDEEP

    6144:1t+s2nCAQKXQNsOetSqNetbWOa2DKWMTHsspDwtQCrVBILdV8U:gCKV7etbWfH1wspfm/I5

Score
10/10
bootkitevasionpersistence

Malware Config

Targets

    • Target

      bd2d503d6d1f4929810267f67280e100e0279ba4ba3a5d3a43c311a4733681ad

    • Size

      340KB

    • MD5

      957eacda80f1e984a00ec73d9db2a4ea

    • SHA1

      06f6c779bcf3a83bffbb4135ae29b14e09267296

    • SHA256

      bd2d503d6d1f4929810267f67280e100e0279ba4ba3a5d3a43c311a4733681ad

    • SHA512

      a0e765be70c0034693f0fa4117cb0ed3f35ba7076b561bed5aadc238819028b81f48a04301177d2b4897f4bb846006dfc6a79491312af0bd25fb2c928d2a3b20

    • SSDEEP

      6144:1t+s2nCAQKXQNsOetSqNetbWOa2DKWMTHsspDwtQCrVBILdV8U:gCKV7etbWfH1wspfm/I5

    Score
    10/10
    bootkitevasionpersistence

    • Modifies security service

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks