Analysis

  • max time kernel
    101s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 01:48

General

  • Target

    178c2e93d00490bab87add64fc170000N.dll

  • Size

    351KB

  • MD5

    178c2e93d00490bab87add64fc170000

  • SHA1

    fe74aa5ef044f1814ffae78020a7c6e275f210e6

  • SHA256

    4ab6ad9355fe26e7cec685cc781466cd87171036162f07728d577782359c5551

  • SHA512

    7d5081f0f37329fff88956bf4b77512c52149c3d34d113a7228bde6a026814c266426b07d9d89a86adc2cea81984aad764ebac5fe4e10b5dd7120c04514b7310

  • SSDEEP

    6144:dr5DKX4B6GWIU3XYOGsBvpBV+UdvrEFp7hKcI:drRKg6GWdnpBjvrEH7I

Malware Config

Signatures

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\178c2e93d00490bab87add64fc170000N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\178c2e93d00490bab87add64fc170000N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/3116-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3116-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB