Analysis

  • max time kernel
    113s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 10:29

General

  • Target

    f381d25f96241120fb15c64fa685d910N.exe

  • Size

    432KB

  • MD5

    f381d25f96241120fb15c64fa685d910

  • SHA1

    81cae7af2dbcc3c2319c0ed42285119bdc7729b8

  • SHA256

    e825c5b9d831cd3a558bcf52cf37d954020e920f2ed690947dbc8a7a4a8c3a3b

  • SHA512

    125eaa7d8a937d3b4a48d58d91ffbc7880cf7dd7892702e6fee814e3291847cf1ac1b74d27980b2a0d55754c8ecdbbbbb820ec6a66688e02ff43f75b534fbad0

  • SSDEEP

    12288:pMoRLl0UJvm0WUok4sTmjpzRQ3ABjvrEH7g:p9dllm0/mNFQ3irEH7g

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f381d25f96241120fb15c64fa685d910N.exe
    "C:\Users\Admin\AppData\Local\Temp\f381d25f96241120fb15c64fa685d910N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3636

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/3636-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3636-6-0x0000000000021000-0x0000000000022000-memory.dmp

    Filesize

    4KB

  • memory/3636-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3636-7-0x0000000000020000-0x0000000000079000-memory.dmp

    Filesize

    356KB