Overview

overview

10

Static

static

10

2026-08-02...ry.exe

windows10-2004-x64

9

2026-08-02...ry.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 08:12

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General

  • Target
    2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe
  • Size 67KB
  • Sample260802-j37wpafe67
  • SHA256 89acd49143358ec339f4d3b779d9f8223fa39dc780bc72be1d1dc087da58148b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    defense_evasion
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_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:592
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\kwqhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:1400
    • 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:4356
  • C:\Windows\Debug\kwqhost.exe
    C:\Windows\Debug\kwqhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:2632

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        kwqhost.exe
        • Path C:\Windows\Debug\kwqhost.exe
        • Size 67KB
        • SHA256 235dad72e89d392a40623502bbd0a4760f1742c78a1fc31f467f0ad42d7d81c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
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