Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 06:59

General

  • Target

    f64e809845a9c0cd95d5601dbf49c93ae4bf8ff8fee2fc8fb6904dd9a9a0c6e8N.exe

  • Size

    1.2MB

  • MD5

    623ee50f8991997deedf40d974a815d0

  • SHA1

    b97686b49930d7f6d370d5604e8903647bea9b3c

  • SHA256

    f64e809845a9c0cd95d5601dbf49c93ae4bf8ff8fee2fc8fb6904dd9a9a0c6e8

  • SHA512

    39d207fe29e41a8b39531153636aa6687a7bc083350968df4e287eb2f85862f9e0de9c212faf6cf596a343cc72fb39d0d3d2333f8cff445e1658530f9c860590

  • SSDEEP

    24576:3W+R0DLEIuJcJXe+4EzTiTRvuyzKoreoRX2VkSsrEH78T:3W+ELEBJUXeJkcpV7eYXsknT

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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f64e809845a9c0cd95d5601dbf49c93ae4bf8ff8fee2fc8fb6904dd9a9a0c6e8N.exe
    "C:\Users\Admin\AppData\Local\Temp\f64e809845a9c0cd95d5601dbf49c93ae4bf8ff8fee2fc8fb6904dd9a9a0c6e8N.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/3240-0-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-1-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-3-0x0000000000406000-0x0000000000407000-memory.dmp

    Filesize

    4KB

  • memory/3240-7-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3240-9-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-10-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-11-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-17-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-18-0x0000000000406000-0x0000000000407000-memory.dmp

    Filesize

    4KB

  • memory/3240-21-0x0000000000400000-0x000000000079A000-memory.dmp

    Filesize

    3.6MB

  • memory/3240-22-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB