Overview

overview

10

Static

static

3

JaffaCakes...94.exe

windows7-x64

10

JaffaCakes...94.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    JaffaCakes118_113f1b6661b6deaae0dd594a427f8f94

  • Size

    64KB

  • Sample

    250221-jqa17awqa1

  • MD5

    113f1b6661b6deaae0dd594a427f8f94

  • SHA1

    9eb8978039a183bce0a30c65c8a0c2be8404800f

  • SHA256

    3d31e960386ec7577b194ea564792d65f27e18d9efc6739970fe65d0f57c8a42

  • SHA512

    5e070c61a0be8a9d6251626f8f6b40c32429fbbcaac4edbf19752d137dd001213ff979c745636a9ec8fc3531c904c782e12b308309540af6efda559584615af9

  • SSDEEP

    768:BE30e/7tEaWcArSwaydTb0EroSd3QXGsBS4sZFFSUv6GfEK+RsWW2qTN4lvCy2Zv:e+PeXonnUStQXDI4spvVp+N8NECtH3

Score
10/10
expirobackdoordiscoverypersistence

Malware Config

Targets

    • Target

      JaffaCakes118_113f1b6661b6deaae0dd594a427f8f94

    • Size

      64KB

    • MD5

      113f1b6661b6deaae0dd594a427f8f94

    • SHA1

      9eb8978039a183bce0a30c65c8a0c2be8404800f

    • SHA256

      3d31e960386ec7577b194ea564792d65f27e18d9efc6739970fe65d0f57c8a42

    • SHA512

      5e070c61a0be8a9d6251626f8f6b40c32429fbbcaac4edbf19752d137dd001213ff979c745636a9ec8fc3531c904c782e12b308309540af6efda559584615af9

    • SSDEEP

      768:BE30e/7tEaWcArSwaydTb0EroSd3QXGsBS4sZFFSUv6GfEK+RsWW2qTN4lvCy2Zv:e+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