Overview

overview

9

Static

static

3

2026-04-21...ry.exe

windows10-2004-x64

9

2026-04-21...ry.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/04/2026, 04:40

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General

  • Target
    2026-04-21_fde8b2913591c321616de42f3509ca83_elex_wannacry.exe
  • Size 66KB
  • Sample260421-fa11wsbx81
  • SHA256 b5734ef5957d1b989ea9b2acf98a41312e6afd4b2362a6183f748317c6ce99b7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-21_fde8b2913591c321616de42f3509ca83_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_fde8b2913591c321616de42f3509ca83_elex_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2392
  • C:\Windows\Debug\rmyhost.exe
    C:\Windows\Debug\rmyhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1240

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        rmyhost.exe
        • Path C:\Windows\debug\rmyhost.exe
        • Size 66KB
        • SHA256 7007f180458eada380dc03f3cc8d74df1aff68539c2ff4f70204f7a7866601bd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4560-0-0x0000000010000000-0x000000001000A000-memory.dmp
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