Overview

overview

10

Static

static

3

2026-07-31...ry.exe

windows10-2004-x64

10

2026-07-31...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-31_4086b247c3009490f9b777e420deecf2_elex_wannacry
  • Size 102KB
  • Sample260731-1k3yfssva1
  • SHA256 dbd37bf495ec7a9f785a748e5e0df38e1633dae3f5069cb558d38262cfeca717
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverypersistencestealerupx

Malware Config

Targets

    • Target
      2026-07-31_4086b247c3009490f9b777e420deecf2_elex_wannacry
    • Size 102KB
    • SHA256 dbd37bf495ec7a9f785a748e5e0df38e1633dae3f5069cb558d38262cfeca717
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarediscoverypersistencestealerupx

    • Modifies WinLogon for persistence

      persistence

    • UPX dump on OEP (original entry point)

    • Drops file in Drivers directory

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks