Overview

overview

10

Static

static

5

a39ad91fa7...2N.exe

windows7-x64

10

a39ad91fa7...2N.exe

windows10-2004-x64

10

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General

  • Target

    a39ad91fa7e488a5738da1d4cc058a4207d2797739cdd9f4d4a33709cc38cb52N.exe

  • Size

    888KB

  • Sample

    241217-rj4nxs1mhy

  • MD5

    d9c444cad1cd385154a50278c9120030

  • SHA1

    1c631f1e2b6308d1f87eb05dfdc09b696d064524

  • SHA256

    a39ad91fa7e488a5738da1d4cc058a4207d2797739cdd9f4d4a33709cc38cb52

  • SHA512

    0ed3710bf609c1a70ee2426cdb78d23659823bf757a794040e9dabc0aa2ca8f569f9cedf59258296020fad846683d72ec11e7afec465f4d52fb07cc296ab365a

  • SSDEEP

    12288:DpqAgC/2OGAtkCP4cejGSOpRK3CGYxBjvrEH7TS:DpX/2+ttPJLfpRK3CGYvrEH7TS

Score
10/10
floxifbackdoordiscoveryevasionpersistencetrojanupx

Malware Config

Targets

    • Target

      a39ad91fa7e488a5738da1d4cc058a4207d2797739cdd9f4d4a33709cc38cb52N.exe

    • Size

      888KB

    • MD5

      d9c444cad1cd385154a50278c9120030

    • SHA1

      1c631f1e2b6308d1f87eb05dfdc09b696d064524

    • SHA256

      a39ad91fa7e488a5738da1d4cc058a4207d2797739cdd9f4d4a33709cc38cb52

    • SHA512

      0ed3710bf609c1a70ee2426cdb78d23659823bf757a794040e9dabc0aa2ca8f569f9cedf59258296020fad846683d72ec11e7afec465f4d52fb07cc296ab365a

    • SSDEEP

      12288:DpqAgC/2OGAtkCP4cejGSOpRK3CGYxBjvrEH7TS:DpX/2+ttPJLfpRK3CGYvrEH7TS

    Score
    10/10
    floxifbackdoordiscoveryevasionpersistencetrojanupx

    • Floxif family

      floxif

    • Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

      backdoortrojanfloxif

    • Modifies WinLogon for persistence

      persistence

    • Detects Floxif payload

      backdoor

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks