Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/08/2026, 22:33

General

  • Target
    65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe
  • Size 215KB
  • Sample260830-2gtfaa1fla
  • SHA256 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Duptwux

    Duptwux is a Windows worm written in C++.

  • Detects Duptwux 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 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 use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe
    "C:\Users\Admin\AppData\Local\Temp\65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Program Files (x86)\b93f188d\jusched.exe
      "C:\Program Files (x86)\b93f188d\jusched.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4776

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        b93f188d

        • Path C:\Program Files (x86)\b93f188d\b93f188d
        • Size 17B
        • SHA256 7ec7a3a23890c3592f5b762aecf11adbf8831fad11b8048aedfa7315d599c5f2
        • MD5 SHA1 SHA512

        jusched.exe

        • Path C:\Program Files (x86)\b93f188d\jusched.exe
        • Size 215KB
        • SHA256 3a72481510e67adac1f4be7c45d885edc32cf868f9ae99d9797e670112f6bfbc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3100-0-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/3100-15-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/4776-13-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/4776-17-0x0000000000400000-0x0000000000455000-memory.dmp