Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 22:27

General

  • Target

    53640fc98a7a72e038c6e2369cda0a0a44bdb161f429bae5b9bf382e5f45bdd3.exe

  • Size

    253KB

  • MD5

    c1c5d3c46eea3ba5671873c31331c9da

  • SHA1

    759b6d9312de0a2b48b71c775337b79c7343fdde

  • SHA256

    53640fc98a7a72e038c6e2369cda0a0a44bdb161f429bae5b9bf382e5f45bdd3

  • SHA512

    71ced31eb2ce82cf36ea41897659543c55edf7318098b033126ef8aef6d834355aeef66e073fd9465753f3c11c2776e9751e1f290ad1aa732c8eedb0c723c3ef

  • SSDEEP

    6144:CaNZqIFN2yNdk/TXB615i9NTPjhIBsgKBV+UdvrEFp7hK5:Ca/3Td2Xwn0NjVIBs9BjvrEH7u

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.

  • UPX packed file 4 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\53640fc98a7a72e038c6e2369cda0a0a44bdb161f429bae5b9bf382e5f45bdd3.exe
    "C:\Users\Admin\AppData\Local\Temp\53640fc98a7a72e038c6e2369cda0a0a44bdb161f429bae5b9bf382e5f45bdd3.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:4144

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/4144-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4144-24-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4144-25-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4144-29-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4144-30-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB