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Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 23:47

General

  • Target

    29f3f594dc3b8b7ff2743be4db5cd510N.exe

  • Size

    809KB

  • MD5

    29f3f594dc3b8b7ff2743be4db5cd510

  • SHA1

    e5974c9813348734683af5613fa7c6619914f282

  • SHA256

    c8979eda937db005ab257214717d41aa31de3d6f93750fabea6905ddfe86f973

  • SHA512

    bbef8697b7f82cf6bad929dc3f559bd6c103b056247c6f2122aa1a42e5bc500965d2cd704f96dbc925f36f1de7c5e3090f612924950b59e2754dc1d31f09abbd

  • SSDEEP

    24576:bV5s52aTTUJtySrl3RerElTwsI4xUrEH7c0:brnaYySr3iV0

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 5 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 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\29f3f594dc3b8b7ff2743be4db5cd510N.exe
    "C:\Users\Admin\AppData\Local\Temp\29f3f594dc3b8b7ff2743be4db5cd510N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 656
      2⤵
      • Program crash
      PID:640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3380 -ip 3380
    1⤵
      PID:4452

    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/3380-0-0x00000000006C0000-0x00000000008AD000-memory.dmp

      Filesize

      1.9MB

    • memory/3380-5-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3380-7-0x0000000000899000-0x000000000089A000-memory.dmp

      Filesize

      4KB

    • memory/3380-11-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3380-10-0x00000000006C0000-0x00000000008AD000-memory.dmp

      Filesize

      1.9MB