Overview

overview

10

Static

static

3

7a8ec03a1a...b3.exe

windows10-2004-x64

10

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General

  • Target

    7a8ec03a1abbdfb51def7aa41c2e672a7d8432257778e98c100aa0decc522bb3

  • Size

    516KB

  • Sample

    250411-qr8gea1js6

  • MD5

    ca3882a67bb3b56716858ead35abf79b

  • SHA1

    060d9cc9edcd15cc3181c3892b7fdbb898bb4028

  • SHA256

    7a8ec03a1abbdfb51def7aa41c2e672a7d8432257778e98c100aa0decc522bb3

  • SHA512

    23a76db97dbb6b4413b191c3687bce216c6268f705485b0afdaca68e3083fc2c971346f76f05eb0adb460d87eec388e0184b72457af59175792b2ad4fde84731

  • SSDEEP

    12288:smNRmNIhN36r3kfnCVUJym1oyzQANxmKizt:1NHXKrUfnCIzQADmKi

Score
10/10
expirobackdoordefense_evasiondiscoverytrojan

Malware Config

Targets

    • Target

      7a8ec03a1abbdfb51def7aa41c2e672a7d8432257778e98c100aa0decc522bb3

    • Size

      516KB

    • MD5

      ca3882a67bb3b56716858ead35abf79b

    • SHA1

      060d9cc9edcd15cc3181c3892b7fdbb898bb4028

    • SHA256

      7a8ec03a1abbdfb51def7aa41c2e672a7d8432257778e98c100aa0decc522bb3

    • SHA512

      23a76db97dbb6b4413b191c3687bce216c6268f705485b0afdaca68e3083fc2c971346f76f05eb0adb460d87eec388e0184b72457af59175792b2ad4fde84731

    • SSDEEP

      12288:smNRmNIhN36r3kfnCVUJym1oyzQANxmKizt:1NHXKrUfnCIzQADmKi

    Score
    10/10
    expirobackdoordefense_evasiondiscoverytrojan

    • Expiro family

      expiro

    • Expiro, m0yv

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

      backdoorexpiro

    • Expiro payload

      backdoor

    • Disables taskbar notifications via registry modification

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Windows security modification

      defense_evasiontrojan

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks