Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/08/2026, 03:39

General

  • Target
    2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe
  • Size 113KB
  • Sample260827-d71qaaxvdt
  • SHA256 59b2d36f7182768ac414bff6b61c47bff439d7c50fdec494b2de579d0af45dba
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5872
    • C:\Users\Admin\AppData\Local\Temp\wujek.exe
      "C:\Users\Admin\AppData\Local\Temp\wujek.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1572

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        wujek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\wujek.exe
        • Size 113KB
        • SHA256 49327a78da9384a3568c8daee9a2598525ca42670372406c878cceefcf4f8680
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1572-10-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1572-11-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/5872-0-0x0000000000403000-0x0000000000404000-memory.dmp