General

  • Target
    cleaner67.exe
  • Size 4.2MB
  • Sample261026-2te4eshy9p
  • SHA256 2d4da3390dd0553db752a126bf2809e8be3b8db5314efa39bdd3b53f2bec57ab
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      cleaner67.exe
    • Size 4.2MB
    • SHA256 2d4da3390dd0553db752a126bf2809e8be3b8db5314efa39bdd3b53f2bec57ab
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Manipulates Digital Signatures

      Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

    • Modifies termsrv.dll

      Commonly used to allow simultaneous RDP sessions.

MITRE ATT&CK Enterprise v16

Tasks