Analysis

  • max time kernel
    88s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 14:12

General

  • Target

    3e45ff1f6106ec9c03f087a850242e2c15204f58211d5a46fdf865339b30e267N.dll

  • Size

    197KB

  • MD5

    738367c8e98dce7961442cd6bc28bb20

  • SHA1

    da85364982841c6785e77ab4043a305013b6c985

  • SHA256

    3e45ff1f6106ec9c03f087a850242e2c15204f58211d5a46fdf865339b30e267

  • SHA512

    d4c2aa7370180ad31601ab55af0e112cab3c23158f0fed24e3981d2f1bca5debfc14f8d6243698d4937cdacf508ab4de276a84f267d25cc94d8751e9169b8c8e

  • SSDEEP

    6144:Vy9B1eErXazPz/kKsQvMRlkM4RD/qzMfUnz:89B1euOLfMRGM4h/qofyz

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

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

  • Detects Floxif payload 1 IoCs
  • 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.

  • 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.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e45ff1f6106ec9c03f087a850242e2c15204f58211d5a46fdf865339b30e267N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e45ff1f6106ec9c03f087a850242e2c15204f58211d5a46fdf865339b30e267N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    71KB

    MD5

    4fcd7574537cebec8e75b4e646996643

    SHA1

    efa59bb9050fb656b90d5d40c942fb2a304f2a8b

    SHA256

    8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

    SHA512

    7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

  • memory/2100-3-0x00000000001E0000-0x0000000000213000-memory.dmp

    Filesize

    204KB

  • memory/2100-5-0x00000000001E0000-0x0000000000213000-memory.dmp

    Filesize

    204KB