General

  • Target

    8505676e1879826fcb2242f7a9935324_JaffaCakes118

  • Size

    628KB

  • Sample

    240530-1qnqqaaf5w

  • MD5

    8505676e1879826fcb2242f7a9935324

  • SHA1

    e12f69c9791a8eeb2fb334bf46cc07ff11c54559

  • SHA256

    07ad5b9d0f28a98161305ceb8587f0c69ec4225d113ac8871cb1f8f3051d9717

  • SHA512

    4d0f0ea73ffbcef6a5a5047531f3719965171871df8b01e680d8e7a66f8c49971c24006ff0f03c8f3d95e5b46ef44234607e85351e70cb065ab3a7f19a1c15ac

  • SSDEEP

    12288:uYGzh9a/SEm15YgEIoUKCm9vuz76iK9KGdVhD/PReg:uYB/SL15QUt7DKgaVB4

Malware Config

Targets

    • Target

      8505676e1879826fcb2242f7a9935324_JaffaCakes118

    • Size

      628KB

    • MD5

      8505676e1879826fcb2242f7a9935324

    • SHA1

      e12f69c9791a8eeb2fb334bf46cc07ff11c54559

    • SHA256

      07ad5b9d0f28a98161305ceb8587f0c69ec4225d113ac8871cb1f8f3051d9717

    • SHA512

      4d0f0ea73ffbcef6a5a5047531f3719965171871df8b01e680d8e7a66f8c49971c24006ff0f03c8f3d95e5b46ef44234607e85351e70cb065ab3a7f19a1c15ac

    • SSDEEP

      12288:uYGzh9a/SEm15YgEIoUKCm9vuz76iK9KGdVhD/PReg:uYB/SL15QUt7DKgaVB4

    • Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

    • Expiro payload

    • Disables taskbar notifications via registry modification

    • 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.

    • Windows security modification

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks