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Overview

overview

10

Static

static

3

JaffaCakes...51.exe

windows7-x64

10

JaffaCakes...51.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_48bc4417944fb1d7d4c06e584522c351

  • Size

    502KB

  • Sample

    250101-f3rypaylep

  • MD5

    48bc4417944fb1d7d4c06e584522c351

  • SHA1

    3cc037607d1623521b4abca89a89766b98e37f47

  • SHA256

    cb41812f53ee8bee9c34163f3f0afb1f1582851a791ea76ffcaf1dbce0e70855

  • SHA512

    be1cffaf5a205940255286cfdefde421e6113445a11fda62af84c30db2136473d1712bb67a8eee5cfb31cdc228f90a29669e87e474452c784a8bb510d0ded61f

  • SSDEEP

    12288:WtIZm20uiIK9Q2qjQxUqKeuBu9+CNwFdJzvfNf1R:WWZm2dDKK2KiUjeuM9+XhbfNf1

Score
10/10
expirobackdoorcredential_accessdiscoveryspywarestealer

Malware Config

Targets

    • Target

      JaffaCakes118_48bc4417944fb1d7d4c06e584522c351

    • Size

      502KB

    • MD5

      48bc4417944fb1d7d4c06e584522c351

    • SHA1

      3cc037607d1623521b4abca89a89766b98e37f47

    • SHA256

      cb41812f53ee8bee9c34163f3f0afb1f1582851a791ea76ffcaf1dbce0e70855

    • SHA512

      be1cffaf5a205940255286cfdefde421e6113445a11fda62af84c30db2136473d1712bb67a8eee5cfb31cdc228f90a29669e87e474452c784a8bb510d0ded61f

    • SSDEEP

      12288:WtIZm20uiIK9Q2qjQxUqKeuBu9+CNwFdJzvfNf1R:WWZm2dDKK2KiUjeuM9+XhbfNf1

    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