Overview

overview

7

Static

static

3

a3573c6909...18.exe

windows7-x64

7

a3573c6909...18.exe

windows10-2004-x64

7

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General

  • Target

    a3573c69097a3cb16aeef32f471d3e59_JaffaCakes118

  • Size

    1.0MB

  • Sample

    240817-vbksmawbrd

  • MD5

    a3573c69097a3cb16aeef32f471d3e59

  • SHA1

    b49b36f4f6e7aedf926467c13e6474b227092ed9

  • SHA256

    c73e340bbe794dbf37662394aebde7de77649f6b5e422c443b86f5a1f1f7ab4e

  • SHA512

    31ca953e701a457154bde59020ddeceee3adc0f2eacd73e2e9454e186b95a6bffbdd45d99e9b4bd8164950b0c96613939d245ee33ae0bdec02574b1d4109ef6f

  • SSDEEP

    24576:0VMM5Si97gDwpG9LmctpwL7K1f7eADraRhcpl1i8hUfTt:MMniNEwpG9LDZx7eAD2zSji8hUfTt

Score
7/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      a3573c69097a3cb16aeef32f471d3e59_JaffaCakes118

    • Size

      1.0MB

    • MD5

      a3573c69097a3cb16aeef32f471d3e59

    • SHA1

      b49b36f4f6e7aedf926467c13e6474b227092ed9

    • SHA256

      c73e340bbe794dbf37662394aebde7de77649f6b5e422c443b86f5a1f1f7ab4e

    • SHA512

      31ca953e701a457154bde59020ddeceee3adc0f2eacd73e2e9454e186b95a6bffbdd45d99e9b4bd8164950b0c96613939d245ee33ae0bdec02574b1d4109ef6f

    • SSDEEP

      24576:0VMM5Si97gDwpG9LmctpwL7K1f7eADraRhcpl1i8hUfTt:MMniNEwpG9LDZx7eAD2zSji8hUfTt

    Score
    7/10
    bootkitdiscoverypersistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks