Overview

overview

10

Static

static

3

704dad9566...aN.exe

windows7-x64

10

704dad9566...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    704dad95667ccdb58d605fa9c12bb85f1416a8eb3c48c2897b87e0c72193f0caN.exe
  • Size 614KB
  • Sample250104-ffxknaspfs
  • SHA256 704dad95667ccdb58d605fa9c12bb85f1416a8eb3c48c2897b87e0c72193f0ca
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
expirobackdoorcredential_accessdiscoveryevasionspywarestealertrojan

Malware Config

Targets

    • Target
      704dad95667ccdb58d605fa9c12bb85f1416a8eb3c48c2897b87e0c72193f0caN.exe
    • Size 614KB
    • SHA256 704dad95667ccdb58d605fa9c12bb85f1416a8eb3c48c2897b87e0c72193f0ca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    expirobackdoorcredential_accessdiscoveryevasionspywarestealertrojan

    • 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

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Windows security modification

      evasiontrojan

    • Checks installed software on the system

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

      discovery

    • 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