Analysis

  • max time kernel
    94s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2025, 07:40

General

  • Target

    2025-01-08_1199b01d4c3d26506cf672d5b8dcd0cf_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    1199b01d4c3d26506cf672d5b8dcd0cf

  • SHA1

    4148628cd007181af14340864d394b0fa3eaac2e

  • SHA256

    f5dfc5a5ce2e2cd6aeb165e1fabf84d354466b82b22640c02d5a6147958f5866

  • SHA512

    65e9b4c6636853173ce8c1acc2f8e00a3e010f21a6f19dd7a0a22702a107485dad8e7b1b277cc567e992a32a04694b759d9d2921b0156f63fc41447aad4a22ee

  • SSDEEP

    49152:ouIIKXofs2hPd2l177BTK2VbDsar1YDjI:ojWfs2hPIl1/L

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 3 IoCs

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

  • 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\2025-01-08_1199b01d4c3d26506cf672d5b8dcd0cf_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-08_1199b01d4c3d26506cf672d5b8dcd0cf_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:2524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 832
      2⤵
      • Program crash
      PID:4416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 852
      2⤵
      • Program crash
      PID:4552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 840
      2⤵
      • Program crash
      PID:2068
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2524 -ip 2524
    1⤵
      PID:648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2524 -ip 2524
      1⤵
        PID:1504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2524 -ip 2524
        1⤵
          PID:1912

        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/2524-4-0x0000000010000000-0x0000000010030000-memory.dmp

                Filesize

                192KB

              • memory/2524-6-0x0000000000741000-0x0000000000742000-memory.dmp

                Filesize

                4KB

              • memory/2524-13-0x0000000010000000-0x0000000010030000-memory.dmp

                Filesize

                192KB

              • memory/2524-11-0x0000000000740000-0x00000000009AA000-memory.dmp

                Filesize

                2.4MB