Overview

overview

10

Static

static

3

dd1f86b439...18.exe

windows7-x64

10

dd1f86b439...18.exe

windows10-2004-x64

10

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General

  • Target

    dd1f86b439e2623a5ddd239239b28cb9_JaffaCakes118

  • Size

    2.9MB

  • Sample

    240912-1t1jpaxfjc

  • MD5

    dd1f86b439e2623a5ddd239239b28cb9

  • SHA1

    568ae3a6db950c5a53e5e261e0f6cac04e1aaa3f

  • SHA256

    3e1feb21571d6dc96c5f40cc80cc37cc66ce443bc4edc4c5e96aa0e45c3f8761

  • SHA512

    757bd0e3b340bcf2b782881a02882372f2a657006c14ca3c9c48c5ca46159d1cb3ab8de56a24715ea32efacbbb4016856ca1188dd83d3b7bf18374865172148e

  • SSDEEP

    49152:W/+qEyEAnLB7rWea9rN/q3pBdEml/6F8Pv+8wfual1/2mp:W/vjEK5az/q5BdZls2aXp

Score
10/10
aspackv2bootkitdiscoverypersistenceupx

Malware Config

Targets

    • Target

      dd1f86b439e2623a5ddd239239b28cb9_JaffaCakes118

    • Size

      2.9MB

    • MD5

      dd1f86b439e2623a5ddd239239b28cb9

    • SHA1

      568ae3a6db950c5a53e5e261e0f6cac04e1aaa3f

    • SHA256

      3e1feb21571d6dc96c5f40cc80cc37cc66ce443bc4edc4c5e96aa0e45c3f8761

    • SHA512

      757bd0e3b340bcf2b782881a02882372f2a657006c14ca3c9c48c5ca46159d1cb3ab8de56a24715ea32efacbbb4016856ca1188dd83d3b7bf18374865172148e

    • SSDEEP

      49152:W/+qEyEAnLB7rWea9rN/q3pBdEml/6F8Pv+8wfual1/2mp:W/vjEK5az/q5BdZls2aXp

    Score
    10/10
    aspackv2bootkitdiscoverypersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Adds policy Run key to start application

      persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Modifies WinLogon

      persistence

    • 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 v15

Tasks