Analysis

  • max time kernel
    95s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 14:30

General

  • Target

    2024-07-28_964a634d4ea8fe2097f272a389e8ce19_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    964a634d4ea8fe2097f272a389e8ce19

  • SHA1

    407aee874c59b34f39d608cb163b958866360fe5

  • SHA256

    555fcb9202f4c3c3a7846b036b01991e695b07f6d28aa427c5840eff0675e5e5

  • SHA512

    a747af175e2b3d8c440d6a9e2ef344e2a44ed0094741acf0065a889199963948e37faf8b860eca40ae7c11c40732b6a2a69f331c5afba1b38e8597a833e62b22

  • SSDEEP

    49152:tuIIbnofs2hPd2l177BTK2VbDsar1YDjw:tj1fs2hPIl1/v

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\2024-07-28_964a634d4ea8fe2097f272a389e8ce19_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-28_964a634d4ea8fe2097f272a389e8ce19_floxif_mafia.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:1480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 768
      2⤵
      • Program crash
      PID:244
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 912
      2⤵
      • Program crash
      PID:116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 844
      2⤵
      • Program crash
      PID:1572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1480 -ip 1480
    1⤵
      PID:2660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1480 -ip 1480
      1⤵
        PID:2940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1480 -ip 1480
        1⤵
          PID:3208

        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/1480-4-0x0000000010000000-0x0000000010030000-memory.dmp

                Filesize

                192KB

              • memory/1480-6-0x0000000001001000-0x0000000001002000-memory.dmp

                Filesize

                4KB

              • memory/1480-13-0x0000000010000000-0x0000000010030000-memory.dmp

                Filesize

                192KB

              • memory/1480-11-0x0000000001000000-0x000000000126A000-memory.dmp

                Filesize

                2.4MB