Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 00:47

General

  • Target

    2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe

  • Size

    2.5MB

  • MD5

    15cc7756eb6169a83ed450457f106158

  • SHA1

    d9c123e32a151a59554d434a125070ec20c7b601

  • SHA256

    a4e6158aac2a9adb0ecf2a9b807cee39c031146d093fb8cfacc213f8e97f8140

  • SHA512

    64c642ddefd7c33b2526b36aab3e6f4e97531e8afc6b7edb5cf7894a43f042d9143563a145dac3fa2644828a4bc09b22ff01255d6d2c772ea7828116b1d11730

  • SSDEEP

    24576:83X3Vm1+VxrIAkkNmo4+KzdicorJLKrnBkx8hx8K7iypDf99gG1M0K+9NbSAw9FQ:2ztNAVuKlIO8yiyVf99gGK0K+bCg

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 7 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.

  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

    SCSI information is often read in order to detect sandboxing environments.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.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
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:456

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/456-30-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/456-19-0x0000000076D00000-0x0000000076D63000-memory.dmp

          Filesize

          396KB

        • memory/456-22-0x0000000076D00000-0x0000000076D63000-memory.dmp

          Filesize

          396KB

        • memory/456-29-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/456-18-0x0000000076D15000-0x0000000076D16000-memory.dmp

          Filesize

          4KB

        • memory/456-33-0x0000000076D00000-0x0000000076D63000-memory.dmp

          Filesize

          396KB

        • memory/456-36-0x0000000076D00000-0x0000000076D63000-memory.dmp

          Filesize

          396KB

        • memory/456-37-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/456-3-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/456-42-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/456-48-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB