Analysis

  • max time kernel
    94s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 17:39

General

  • Target

    2025-01-01_b722f1189cee96eceffce9af21b6b3e8_floxif_mafia.exe

  • Size

    1.8MB

  • MD5

    b722f1189cee96eceffce9af21b6b3e8

  • SHA1

    e2a9510bbdef798ec7d0bb3acecfd8777d0cc383

  • SHA256

    6968625a70891253b0b2ec3dd90c8089fef39691087c056c18754e8149b2b888

  • SHA512

    0e0cd70106be67d147edcc26eae89c5a6e0e7818c782db2863ee596ecc8b5492610405f5eb79adabaad195b25a14d6d331c45a126126467c7fa8c55bcdbc4196

  • SSDEEP

    24576:LnR+T6BSe97KIcivdPAfYLH8AcevDN0FImbwQuq3Wia7gDjrEH7s:LJ971civdPAQgAT76sQuE5

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
  • Drops file in System32 directory 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-01_b722f1189cee96eceffce9af21b6b3e8_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-01_b722f1189cee96eceffce9af21b6b3e8_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3480

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/3480-0-0x0000000000400000-0x000000000065F000-memory.dmp

    Filesize

    2.4MB

  • memory/3480-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3480-7-0x0000000000B80000-0x0000000000BE6000-memory.dmp

    Filesize

    408KB

  • memory/3480-12-0x0000000000B80000-0x0000000000BE6000-memory.dmp

    Filesize

    408KB

  • memory/3480-15-0x0000000000425000-0x0000000000429000-memory.dmp

    Filesize

    16KB

  • memory/3480-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3480-19-0x0000000000400000-0x000000000065F000-memory.dmp

    Filesize

    2.4MB