General

  • Target

    699a277587dbcee2f669c52fbc57966e_JaffaCakes118

  • Size

    4.3MB

  • Sample

    240523-d47pescf33

  • MD5

    699a277587dbcee2f669c52fbc57966e

  • SHA1

    c631a0efb54a9049533961225e82c6092e4f4110

  • SHA256

    d4c093c53bd130f3e4500e406a3422f035dd677abb4b885bc66b243fdff7d2d1

  • SHA512

    b2fbd79de6225377ca491cfa5d43f72cead50bf2f253139a265461cf0d9659394ad0c525e87d2cd8989a82aa6bd5bfe0d051eadee41741a4ac914e0f58f4d707

  • SSDEEP

    98304:aqSh5zRZwYeMMIV3PsU6Z8y6TaOphYLYSHinQpUt/YV5DyzFf:ajHYOpCm/s9y

Malware Config

Targets

    • Target

      699a277587dbcee2f669c52fbc57966e_JaffaCakes118

    • Size

      4.3MB

    • MD5

      699a277587dbcee2f669c52fbc57966e

    • SHA1

      c631a0efb54a9049533961225e82c6092e4f4110

    • SHA256

      d4c093c53bd130f3e4500e406a3422f035dd677abb4b885bc66b243fdff7d2d1

    • SHA512

      b2fbd79de6225377ca491cfa5d43f72cead50bf2f253139a265461cf0d9659394ad0c525e87d2cd8989a82aa6bd5bfe0d051eadee41741a4ac914e0f58f4d707

    • SSDEEP

      98304:aqSh5zRZwYeMMIV3PsU6Z8y6TaOphYLYSHinQpUt/YV5DyzFf:ajHYOpCm/s9y

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Writes to the Master Boot Record (MBR)

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

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks