General

  • Target
    06062026_0338_Email-SMS.bat.zip
  • Size 1KB
  • Sample260606-d69a2aaz3q
  • SHA256 8a803e41588f4d2f5b4e46e35dd301d3845e6dde427ee97549c6f5a88445867b
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      Email-SMS.bat
    • Size 2KB
    • SHA256 c500045c9fe2364f665c52fcd97058f1b2731c28bafbb252b987eda7368cbe16
    • MD5 SHA1 SHA512 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.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Sets service image path in registry

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

    • Signed with revoked ConnectWise certificate

      Binary is signed using a ConnectWise certificate revoked for key compromise.

    • Checks computer location settings

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

    • ConnectWise ScreenConnect remote access tool

      ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v16

Tasks