Analysis

  • max time kernel
    110s
  • max time network
    111s
  • 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 03:43

General

  • Target

    8c04a7792e1b47136dd8aff957bce170N.exe

  • Size

    156KB

  • MD5

    8c04a7792e1b47136dd8aff957bce170

  • SHA1

    756b2f97995f3fe69e292d98edc550660ffbd671

  • SHA256

    771ff713c20a592a4e27b57e542e775c6bc02fd3326fa0f471cd6f4f75fb6b44

  • SHA512

    27a8c9811bd8d974d0a28369656015e10e78f44e338cb8b7dd33115090e938e02d2f35e690dee6882037e63bcc6ea82250b30edb42214da77f46a35a7df718e8

  • SSDEEP

    3072:GQIPPufTXJx4C4GHYser2lQBV+UdE+rECWp7hKzx76Pq:G9P0d4G/evBV+UdvrEFp7hKzx2y

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.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c04a7792e1b47136dd8aff957bce170N.exe
    "C:\Users\Admin\AppData\Local\Temp\8c04a7792e1b47136dd8aff957bce170N.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4780

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/4780-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4780-0-0x0000000000403000-0x0000000000404000-memory.dmp

    Filesize

    4KB

  • memory/4780-7-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/4780-14-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/4780-17-0x0000000000403000-0x0000000000404000-memory.dmp

    Filesize

    4KB

  • memory/4780-20-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4780-21-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB