Overview

overview

10

Static

static

5

2026-04-16...os.exe

windows10-2004-x64

10

2026-04-16...os.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-04-16_23c809545f7b3f7f1d1158e80577bf65_elex_floxif_hellokitty_remcos
  • Size 169KB
  • Sample260416-eesdwaav2v
  • SHA256 1e6d1339a105f52bdcac24a25efe5de7fa72f06c9528d8228385093801c78523
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
floxifbackdoordiscoverypersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target
      2026-04-16_23c809545f7b3f7f1d1158e80577bf65_elex_floxif_hellokitty_remcos
    • Size 169KB
    • SHA256 1e6d1339a105f52bdcac24a25efe5de7fa72f06c9528d8228385093801c78523
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryfloxiftrojanupxpersistenceprivilege_escalation

    • Family: Floxif, Floodfix

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

      backdoortrojanfloxif

    • Detects Floxif payload

      backdoor
    • Custom signature

      UPX dump on OEP (original entry point)

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

      persistenceprivilege_escalation

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Loads dropped DLL

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks