Analysis

  • user interaction
    yes
  • max time kernel
    12s
  • max time network
    10s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/09/2026, 17:00

General

  • Target
    utorrent_installer.exe
  • Size 2.1MB
  • Sample260905-vjf5eawsft
  • SHA256 20af94ac05d79f6a6d2d91c1c834ceae96a8a8596aadd3ae1c2fcd881c4b2435
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • 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.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5168
    • C:\Users\Admin\AppData\Local\Temp\is-3S6PZRGKVK.tmp\utorrent_installer.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3S6PZRGKVK.tmp\utorrent_installer.tmp" /SL5="$502B4,902674,878080,C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        utorrent_installer.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-3S6PZRGKVK.tmp\utorrent_installer.tmp
        • Size 4.2MB
        • SHA256 bc475d8c7bb2aab62adc06f7be24c7856d72ad80fe4a5c5b8c3996e9d03b2107
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3960-5-0x0000000001690000-0x0000000001691000-memory.dmp

        memory/3960-9-0x0000000001690000-0x0000000001691000-memory.dmp

        memory/3960-8-0x0000000000B80000-0x0000000000FBF000-memory.dmp

        memory/5168-0-0x0000000000970000-0x0000000000A55000-memory.dmp

        memory/5168-7-0x0000000000970000-0x0000000000A55000-memory.dmp