Analysis

  • max time kernel
    149s
  • 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
    14/10/2024, 13:54

General

  • Target

    2024-10-14_b47c46c27211628941ac56bce8dabee1_floxif_mafia.exe

  • Size

    1.9MB

  • MD5

    b47c46c27211628941ac56bce8dabee1

  • SHA1

    b752c2a05786ff2726435d5863bf7e9d65b9295c

  • SHA256

    ac4a46960b4dcedc35cd767a914733b8ec09d0732a0cbe5bd6249aef5f98ca29

  • SHA512

    74def5bad505478a4f889ff9beda5f9855bb7948a513f21a08659b2f49e0bde3519276026d9ca1ca4227447da4908367577330a0e403e0e95a222255dd9a9757

  • SSDEEP

    49152:+WBQz60wsU+6Ufr1CJpiTvx5HzIT6LEnFTt/jC6A4tVxM6aO:CO+6UfrspiTrTIT6LEnXa45MO

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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 6 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_b47c46c27211628941ac56bce8dabee1_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_b47c46c27211628941ac56bce8dabee1_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
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\jds240626718.tmp\2024-10-14_b47c46c27211628941ac56bce8dabee1_floxif_mafia.exe
      "C:\Users\Admin\AppData\Local\Temp\jds240626718.tmp\2024-10-14_b47c46c27211628941ac56bce8dabee1_floxif_mafia.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3608

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

        • C:\Program Files\Common Files\System\symsrv.dll.000

          Filesize

          175B

          MD5

          1130c911bf5db4b8f7cf9b6f4b457623

          SHA1

          48e734c4bc1a8b5399bff4954e54b268bde9d54c

          SHA256

          eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

          SHA512

          94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

        • C:\Users\Admin\AppData\Local\Temp\jds240626718.tmp\2024-10-14_b47c46c27211628941ac56bce8dabee1_floxif_mafia.exe

          Filesize

          1.6MB

          MD5

          8cb5a0001c0887ab7b1f99e599fd95e1

          SHA1

          f13670aca28e2f28ef6b7ca7a4f697306bb1b86f

          SHA256

          cc740d5e5fae84fe400242240539ec2f629bcb6d7511ed08251f4a9b7bc917be

          SHA512

          468e090bff7905374fa24689387fc2dc3afc34e76f34498adde34bb38707cbe6cfdf28ef8b869d2068e6aa7a7769ff81a3f0ae9308b7a0aa34467388eb31c256

        • C:\Users\Admin\AppData\Local\Temp\jds240626718.tmp\2024-10-14_b47c46c27211628941ac56bce8dabee1_floxif_mafia.exe.tmp

          Filesize

          1.6MB

          MD5

          84630509a1377db637543dcd2c3cdf58

          SHA1

          5359687f72d61ff56a974885157e77be521d1bda

          SHA256

          e03e1fab2f1ffdf4f51225f0ed9f432a1356b01f7688520b44b0ab571a76e63e

          SHA512

          e5975120c00bdc11718c6a2faa29f4644e563cba501967d6da5f37d08faef3b3b0798e3b8cb84fa18c3845f9a7821ebe42001923cbc6d2b0a096ce17f45bbc22

        • C:\Users\Admin\AppData\Local\Temp\jusched.log

          Filesize

          164KB

          MD5

          a0e48f5f60190dc02c61425a8cc8e059

          SHA1

          b01ce93c52708afa17705b2303d86b148e9fb954

          SHA256

          4c9988f26d033cafd4269d174b16e429bff0671df4d2d4aedcb886a02120d628

          SHA512

          680ec11ad630e641e604ad196c4722db3315801e7fed8e9b14fa1bf585723784a098810d693afe179ff4294dd62995814cc4cc846132104dfb63e02471e0f3b2

        • memory/1940-13-0x0000000000590000-0x000000000075F000-memory.dmp

          Filesize

          1.8MB

        • memory/1940-0-0x000000000059E000-0x000000000059F000-memory.dmp

          Filesize

          4KB

        • memory/1940-135-0x000000000059E000-0x000000000059F000-memory.dmp

          Filesize

          4KB

        • memory/1940-136-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1940-137-0x0000000000590000-0x000000000075F000-memory.dmp

          Filesize

          1.8MB

        • memory/1940-145-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1940-3-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1940-152-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1940-170-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/3608-139-0x0000000000A60000-0x0000000000BF5000-memory.dmp

          Filesize

          1.6MB