Overview

overview

10

Static

static

10

2026-09-27...ry.exe

windows10-2004-x64

10

2026-09-27...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-09-27_cfa9b838a8bdd46c4ea5cc0b36ccc787_elex_wannacry
  • Size 484KB
  • Sample260927-ghfwcszy2r
  • SHA256 a315a4a726662043b9dd5fb659a82853a7a4fc22465a03dc798f38294e03673b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
gh0stratdiscoveryratupx

Malware Config

Targets

    • Target
      2026-09-27_cfa9b838a8bdd46c4ea5cc0b36ccc787_elex_wannacry
    • Size 484KB
    • SHA256 a315a4a726662043b9dd5fb659a82853a7a4fc22465a03dc798f38294e03673b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverygh0stratratupx

    • Family: Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

      ratgh0strat

    • Gh0st RAT payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables built or packed with MPress PE compressor

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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