Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 22:49

General

  • Target

    d872fbdee096311f1d7f0a4d24d3b590N.exe

  • Size

    358KB

  • MD5

    d872fbdee096311f1d7f0a4d24d3b590

  • SHA1

    2632e49a14006a36e4288b5cd711420d7dde00f0

  • SHA256

    697ca11bac37b123e7dc966e807d6314bd2abc44ed2f1d15fbb17265e387b534

  • SHA512

    853cbd166cce3e8df001b82a6b6e2a456ec9523403674f179de2c730be58e4f3a925301c58c20e5bd64cbaaa6acd1bb6231613b13f793e5e7fa884699dccbf6d

  • SSDEEP

    6144:qzeVWx+BP+F6Q0JHr75T2KWAOINBIaxSOx+V/HfBV+UdvrEFp7hKKk:QeVW1F6TN7RiGNBZnx+V//BjvrEH7s

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 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 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\d872fbdee096311f1d7f0a4d24d3b590N.exe
    "C:\Users\Admin\AppData\Local\Temp\d872fbdee096311f1d7f0a4d24d3b590N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4888
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4412,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4448 /prefetch:8
    1⤵
      PID:4348

    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/4888-3-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/4888-5-0x0000000000110000-0x000000000015A000-memory.dmp

      Filesize

      296KB

    • memory/4888-6-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB