Analysis

  • max time kernel
    148s
  • 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
    29-12-2024 00:46

General

  • Target

    c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef.exe

  • Size

    554KB

  • MD5

    0bb06148fac3c563604b98644a0e5f76

  • SHA1

    d34b61347864c40bb900357467318f7f6e50a296

  • SHA256

    c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef

  • SHA512

    ea2a9b03861beb22228ddc7504cfb0d9f988579936aec6825a83a1a01a52f4c6f98c7ccaa2174d15e377ba8532f77f741995eb4dff11edb7b898b0413eef69c6

  • SSDEEP

    12288:dNaDfsMMSsMMfBvMcsCMcs/fzQ0+RT/S1QLxtnu3R1MZEJIXBjvrEH75:dIDfsMMSsMMfBvMcsCMcs/c0+RT/pltY

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
  • 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 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef.exe
    "C:\Users\Admin\AppData\Local\Temp\c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef.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:2644

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:\Users\Admin\AppData\Local\Temp\mass.dat

    Filesize

    420B

    MD5

    68fa27c314b72a2fc8461c40335cbb0c

    SHA1

    dd5fd1d022c73731246caaa912d79188759e3ab9

    SHA256

    79ae5070eaf05371f4a0d414b90c973888b7ae886c0e30494957fe3bf75c00e7

    SHA512

    53be97561a81c646a7014989f0cc90c8365074b4f242591d064d4898361886c11533bbd10e59a16b19cc7ba2dee9c29b816d54e69caf015259d63c9e745542be

  • memory/2644-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2644-13-0x0000000000414000-0x0000000000417000-memory.dmp

    Filesize

    12KB

  • memory/2644-23-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2644-32-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2644-33-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB