Overview

overview

10

Static

static

3

JaffaCakes...27.exe

windows7-x64

10

JaffaCakes...27.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_a31534c0f0f3d750f9f7bc41074ced27

  • Size

    235KB

  • Sample

    250205-yg3geaskcj

  • MD5

    a31534c0f0f3d750f9f7bc41074ced27

  • SHA1

    582121ea0269a472265eab53523b6a9ad2d0653d

  • SHA256

    6e25067589d374d2a3a5082e98f38092ddf16181edb0c9b8560510d812f2ac45

  • SHA512

    34eec999a908268ac761e023ebba63f0d64a9dd2cb7efff73e06ba3f33c057ab72792c651a8759a2da4e3ea19cc1400bfd1523214a9038e23b2de7608a5bb48a

  • SSDEEP

    6144:3O8CaRVMMMMMM2MMMMMcBPxlpo9NC/3RElH8HhkRIkAiN7R+Di:3ObaRaMMMMM2MMMMMc/lpMCJ2GkRIkR

Score
10/10
expirobackdoorcredential_accessdiscoveryspywarestealer

Malware Config

Targets

    • Target

      JaffaCakes118_a31534c0f0f3d750f9f7bc41074ced27

    • Size

      235KB

    • MD5

      a31534c0f0f3d750f9f7bc41074ced27

    • SHA1

      582121ea0269a472265eab53523b6a9ad2d0653d

    • SHA256

      6e25067589d374d2a3a5082e98f38092ddf16181edb0c9b8560510d812f2ac45

    • SHA512

      34eec999a908268ac761e023ebba63f0d64a9dd2cb7efff73e06ba3f33c057ab72792c651a8759a2da4e3ea19cc1400bfd1523214a9038e23b2de7608a5bb48a

    • SSDEEP

      6144:3O8CaRVMMMMMM2MMMMMcBPxlpo9NC/3RElH8HhkRIkAiN7R+Di:3ObaRaMMMMM2MMMMMc/lpMCJ2GkRIkR

    Score
    10/10
    expirobackdoorcredential_accessdiscoveryspywarestealer

    • Expiro family

      expiro

    • Expiro, m0yv

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

      backdoorexpiro

    • Expiro payload

      backdoor

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks