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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 07:24

General

  • Target

    JaffaCakes118_0aabfc14834f17271504342db06e110b.exe

  • Size

    476KB

  • MD5

    0aabfc14834f17271504342db06e110b

  • SHA1

    a858c50063efaedd41958e1954b1aea425231a24

  • SHA256

    96c99c10a64d2478303b74d5ca2fd6ff26e68b6432d40f747880ad39401608c2

  • SHA512

    6bf6bf7f854b57317d670a890a39ae8da0338b56c627e7c60ca0355e848b8196a4093e295343f54086effb27375ce7ac5b5f97dd70931c9b540c1fd639bf9476

  • SSDEEP

    12288:6YmIjE7eNdKcWEb52Ubr4TgyUbZm6qCs8e/G:27eNAYb52Ub8T5geL

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

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

  • Expiro payload 4 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0aabfc14834f17271504342db06e110b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0aabfc14834f17271504342db06e110b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 532
      2⤵
      • Program crash
      PID:748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4676 -ip 4676
    1⤵
      PID:1264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4676-0-0x0000000000E2B000-0x0000000000EBF000-memory.dmp

      Filesize

      592KB

    • memory/4676-1-0x0000000000DB0000-0x0000000000EBF000-memory.dmp

      Filesize

      1.1MB

    • memory/4676-2-0x0000000000E2B000-0x0000000000EBF000-memory.dmp

      Filesize

      592KB

    • memory/4676-3-0x0000000000DB0000-0x0000000000EBF000-memory.dmp

      Filesize

      1.1MB