Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/07/2025, 10:37

General

  • Target
    2025-07-06_cf24b1c132eca7be628d3d1f39d1d4a1_elex_stealc_stop_tofsee_upatre.exe
  • Size 604KB
  • Sample250706-mnwfwsvyev
  • SHA256 65a025484b1e0d5c6d7615a5ffc475f7dd6d3bca5e7fc990cc682e7abcefbdc3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Upatre family
  • Executes dropped EXE 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-07-06_cf24b1c132eca7be628d3d1f39d1d4a1_elex_stealc_stop_tofsee_upatre.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-06_cf24b1c132eca7be628d3d1f39d1d4a1_elex_stealc_stop_tofsee_upatre.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6120
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5856

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        szgfw.exe

        • Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
        • Size 604KB
        • SHA256 baddeaecb52ae01660aee70c07c4d16044a2dd7793eaa8a49703fe4a8ffb2bfa
        • MD5 SHA1 SHA512 SSDEEP

        memory/5856-10-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/6120-0-0x0000000000730000-0x0000000000731000-memory.dmp

        memory/6120-9-0x0000000000400000-0x0000000000409000-memory.dmp