Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 17:14

General

  • Target

    2024091322db51a16f604b6dbc54319e3c1776dffloxifmafia.exe

  • Size

    2.5MB

  • MD5

    22db51a16f604b6dbc54319e3c1776df

  • SHA1

    7a4c50e27bc43fd9039e156cb0627bbae351f441

  • SHA256

    0641797886951ac03f3aed019e9aa8093cc596fca6f56bf1371e7a88f3284519

  • SHA512

    0c0759614b63ac577f5a540abcec7be35cd47d1fd5de211a916343c14e7fd3df00635774b74a8857f104aeafb9dcec01b3f1225e817361c3ca07bb5ec4e4dc28

  • SSDEEP

    49152:auIIKUofs2hPd2l177BTK2VbDsar1YDjv:aj5fs2hPIl1/o

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 1 IoCs
  • Program crash 3 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\2024091322db51a16f604b6dbc54319e3c1776dffloxifmafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024091322db51a16f604b6dbc54319e3c1776dffloxifmafia.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:4824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 932
      2⤵
      • Program crash
      PID:1632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 832
      2⤵
      • Program crash
      PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 844
      2⤵
      • Program crash
      PID:1508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4824 -ip 4824
    1⤵
      PID:5068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4824 -ip 4824
      1⤵
        PID:4528
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4824 -ip 4824
        1⤵
          PID:2812

        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/4824-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/4824-6-0x0000000000EA1000-0x0000000000EA2000-memory.dmp

          Filesize

          4KB

        • memory/4824-13-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/4824-11-0x0000000000EA0000-0x000000000110A000-memory.dmp

          Filesize

          2.4MB