Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 12:10

General

  • Target
    2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe
  • Size 116KB
  • Sample260824-pcgjpsxdlf
  • SHA256 f4500fba56414cd61769149e77bd5111b3059ea4a3b99812140ef2443fdf0048
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 4 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • 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\2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Users\Admin\AppData\Local\Temp\btkba.exe
      "C:\Users\Admin\AppData\Local\Temp\btkba.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:416

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        btkba.exe

        • Path C:\Users\Admin\AppData\Local\Temp\btkba.exe
        • Size 116KB
        • SHA256 ab1cafc8ca7d74a4c979d03ab6372e1f625b2e2834d3cff9a393ffab1928e737
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/416-11-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/4984-0-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/4984-10-0x0000000000400000-0x000000000041D000-memory.dmp