Overview

overview

10

Static

static

5

$RYKTPR5.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    $RYKTPR5.exe
  • Size 811KB
  • Sample260619-sw73jsav4s
  • SHA256 e0e866942dd8c71fc993119ee3ca9de47f20664f9447d9b511f3389ebaf37216
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
aspackv2defense_evasiondiscoveryexecutionransomware

Malware Config

Targets

    • Target
      $RYKTPR5.exe
    • Size 811KB
    • SHA256 e0e866942dd8c71fc993119ee3ca9de47f20664f9447d9b511f3389ebaf37216
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    aspackv2defense_evasiondiscoveryexecutionransomware

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks