Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 03:43

General

  • Target

    8cbc74da3a687d6431209dcaab2dc25b1f8ce889d3bfd4c70aed8650bbfc9e8f.exe

  • Size

    100KB

  • MD5

    adff26f915b33f247bcea599ddaedeec

  • SHA1

    58ab7927ffec288e20dbec118e2438b0e6479ff8

  • SHA256

    8cbc74da3a687d6431209dcaab2dc25b1f8ce889d3bfd4c70aed8650bbfc9e8f

  • SHA512

    5542fb51915b6669a7faa77252102c3ffa6b1da61d1f7e61d693f6107a5fd3d837f9f22dceb94fb49b871bf8079a5aec7a29fde3332557d8dd5708fbead7ada2

  • SSDEEP

    1536:z7l0ccwBnSxYOB+dGrNjjmJ2NuKuFr1M5B4QbCcIx1:KwBSxYOB++jOW81

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cbc74da3a687d6431209dcaab2dc25b1f8ce889d3bfd4c70aed8650bbfc9e8f.exe
    "C:\Users\Admin\AppData\Local\Temp\8cbc74da3a687d6431209dcaab2dc25b1f8ce889d3bfd4c70aed8650bbfc9e8f.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\duioti.exe
      "C:\Users\Admin\duioti.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1256

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\duioti.exe

          Filesize

          100KB

          MD5

          70c21fd4e30960c9943461a073a623d7

          SHA1

          2104c961bad9ecd88dcfbe01de9ffd297a465b37

          SHA256

          c09615263dd076e1225a1d0a8242b8409795476f080a1dfc48b5718fbe97023c

          SHA512

          7e3f2de6cfdeda74eb3328c5e5055c7b2e964f5358f0a00192841958a3e7dbc5ce4c8fe153332a276508f4492b32c9893652e3dfcb7a8748b41c43b47e8c5124

        • memory/1256-33-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1256-38-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/5088-0-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/5088-37-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB