Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 17:16

General

  • Target
    365f5bcf960cbe33a9c429598bb1c2e3c0f399ef71313c6fd09b4a25e1f5262c.exe
  • Size 440KB
  • Sample240914-vtk64swcmc
  • SHA256 365f5bcf960cbe33a9c429598bb1c2e3c0f399ef71313c6fd09b4a25e1f5262c
  • MD5 SHA1 SHA512 SSDEEP

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
  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\365f5bcf960cbe33a9c429598bb1c2e3c0f399ef71313c6fd09b4a25e1f5262c.exe
    "C:\Users\Admin\AppData\Local\Temp\365f5bcf960cbe33a9c429598bb1c2e3c0f399ef71313c6fd09b4a25e1f5262c.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:2912
  • 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=4020,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8
    1⤵
      PID:2548

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          symsrv.dll

          • Path C:\Program Files\Common Files\System\symsrv.dll
          • Size 67KB
          • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
          • MD5 SHA1 SHA512 SSDEEP

          memory/2912-2-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/2912-9-0x00000000008C1000-0x00000000008C2000-memory.dmp

          memory/2912-18-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/2912-17-0x00000000008C0000-0x0000000000927000-memory.dmp