Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 07:09

General

  • Target

    72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9N.exe

  • Size

    175KB

  • MD5

    31ca93728d2aee577a466066b3d454a0

  • SHA1

    e7164efeac4826f26b166016749360890c808235

  • SHA256

    72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9

  • SHA512

    aa3a3ae711c97cb2acfde9be827a9066d964597e97eb41b915b0e607a809dfb2e520c30314ba122f18656cfb0daf6321ced56ddba8c9f572c5eec9ed4a7212d9

  • SSDEEP

    3072:OIs9QBv2HzimgyKN/4FA1Jlz0rplf2lQBV+UdE+rECWp7hKqUiF5G:OI1GzxgjN/4FGzyppBV+UdvrEFp7hKV

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 3 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9N.exe
    "C:\Users\Admin\AppData\Local\Temp\72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 384
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4984
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2856 -ip 2856
    1⤵
    • Loads dropped DLL
    PID:1760

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          67KB

          MD5

          7574cf2c64f35161ab1292e2f532aabf

          SHA1

          14ba3fa927a06224dfe587014299e834def4644f

          SHA256

          de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

          SHA512

          4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

        • memory/2856-0-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

        • memory/2856-3-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2856-7-0x0000000000720000-0x0000000000721000-memory.dmp

          Filesize

          4KB

        • memory/2856-12-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2856-10-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB