Overview

overview

10

Static

static

3

JaffaCakes...d7.exe

windows7-x64

10

JaffaCakes...d7.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_ae2a6ff3181f19d491db712c80200ad7

  • Size

    124KB

  • Sample

    250206-w2tc5avkcq

  • MD5

    ae2a6ff3181f19d491db712c80200ad7

  • SHA1

    7f462f4c9175bdd2f2eb69f774ba918d1833befc

  • SHA256

    45adb3afd017026adc61e4b72f24c3978d875c96798d7a771d6c203f7bd1db53

  • SHA512

    f45689df4f5c1c757f050b83e920831522e5ed2858e2e4e785642cf56c54f418171d35e5d7feb0b966f0955c7b97ecbca74d30afdbe4b92f5de4ab08e04c00f0

  • SSDEEP

    768:RE30e/7tEaWcArSwaydTb0EroSd3QXGsBS4sZFFSUv6GfEK+RsWW2qTN4lvCy2Zv:u+PeXonnUStQXDI4spvVp+N8NECtH3

Score
10/10
expirobackdoordiscoverypersistence

Malware Config

Targets

    • Target

      JaffaCakes118_ae2a6ff3181f19d491db712c80200ad7

    • Size

      124KB

    • MD5

      ae2a6ff3181f19d491db712c80200ad7

    • SHA1

      7f462f4c9175bdd2f2eb69f774ba918d1833befc

    • SHA256

      45adb3afd017026adc61e4b72f24c3978d875c96798d7a771d6c203f7bd1db53

    • SHA512

      f45689df4f5c1c757f050b83e920831522e5ed2858e2e4e785642cf56c54f418171d35e5d7feb0b966f0955c7b97ecbca74d30afdbe4b92f5de4ab08e04c00f0

    • SSDEEP

      768:RE30e/7tEaWcArSwaydTb0EroSd3QXGsBS4sZFFSUv6GfEK+RsWW2qTN4lvCy2Zv:u+PeXonnUStQXDI4spvVp+N8NECtH3

    Score
    10/10
    expirobackdoordiscoverypersistence

    • Expiro family

      expiro

    • Expiro, m0yv

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

      backdoorexpiro

    • Expiro payload

      backdoor

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks