Overview

overview

10

Static

static

1

554b204356...60.dll

windows7-x64

10

554b204356...60.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 22:41

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General

  • Target
    554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll
  • Size 540KB
  • Sample240912-2l82jaygkn
  • SHA256 554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
floxifbackdoordiscoverytrojanupx

Malware Config

Signatures

  • Floxif, Floodfix

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

    backdoortrojanfloxif
  • Detects Floxif payload 1 IoCs
    backdoor
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Drops file in Program Files directory 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.

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4024

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        symsrv.dll
        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/4024-4-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/4024-6-0x0000000010000000-0x0000000010030000-memory.dmp
        Download