Analysis

  • max time kernel
    142s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 01:23

General

  • Target

    2024-10-17_edc233da84df0ff3e06ce73615149d5c_floxif_icedid.exe

  • Size

    1.1MB

  • MD5

    edc233da84df0ff3e06ce73615149d5c

  • SHA1

    9e03ee023a8f4b0a32e3835bf2eef65d8ba51228

  • SHA256

    76ce756e174ee90799c0218a75927b01e77a0f61c0313253ea1817778e102c6b

  • SHA512

    c3c5ed38d107d1e0e50caa0b99640a1336216d83a2e7c31c211d30bab53794e739881cbd8d4596c40af3c0a4ada9e60a68660770bdbcc5b0c641e03d91a5b475

  • SSDEEP

    12288:rSQTYNP57JF0ogGHTi2/zb8K90B0jkQ4Bb57I19X2lB7KuR7BjvrEH7On:7TYNVPi27b8a0HBBbQGb+8BrEH7q

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
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 8 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 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-17_edc233da84df0ff3e06ce73615149d5c_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_edc233da84df0ff3e06ce73615149d5c_floxif_icedid.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1780

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

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

          Filesize

          175B

          MD5

          1130c911bf5db4b8f7cf9b6f4b457623

          SHA1

          48e734c4bc1a8b5399bff4954e54b268bde9d54c

          SHA256

          eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

          SHA512

          94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

        • memory/1780-5-0x000000000041C000-0x0000000000420000-memory.dmp

          Filesize

          16KB

        • memory/1780-3-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1780-11-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1780-13-0x0000000000400000-0x000000000050F000-memory.dmp

          Filesize

          1.1MB

        • memory/1780-16-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1780-19-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1780-22-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1780-27-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1780-28-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB