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Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2024, 17:22

General

  • Target

    a3e5b9e0f3c04495120210f405600120ae502406f7db40551658d18dceb6eabbN.exe

  • Size

    628KB

  • MD5

    c90b993c2a614c0617ae01b68ac9a100

  • SHA1

    3bef7c9b3219c90df12ce9cd0ba06313393d8fdb

  • SHA256

    a3e5b9e0f3c04495120210f405600120ae502406f7db40551658d18dceb6eabb

  • SHA512

    4ce0b20427532591a9639f4e8d454fbeca023e816dff0e50e8b501eb28fc512b339e028b9b65a333686110dc82d2276cec1e44735101e713350e4b8ff668158c

  • SSDEEP

    12288:1qs7UXwoZgftpc62Il4V/bi3S8Hhot4TsYtTjNjHO4oufI4KiRJ:1qs0wiIO9i3S8Hhot4ThTZO4ouffB

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

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

  • Expiro payload 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\a3e5b9e0f3c04495120210f405600120ae502406f7db40551658d18dceb6eabbN.exe
    "C:\Users\Admin\AppData\Local\Temp\a3e5b9e0f3c04495120210f405600120ae502406f7db40551658d18dceb6eabbN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1996-0-0x0000000001000000-0x000000000125B000-memory.dmp

    Filesize

    2.4MB

  • memory/1996-1-0x0000000001011000-0x0000000001012000-memory.dmp

    Filesize

    4KB

  • memory/1996-2-0x0000000001000000-0x000000000125B000-memory.dmp

    Filesize

    2.4MB