General

  • Target

    075b787a1c1952697af1b747b896f2422ce61e3ec8f7a2ae39d380f652de3558

  • Size

    2.3MB

  • Sample

    240908-c3s9zasekc

  • MD5

    886224a4982435e68ed383051e7afd54

  • SHA1

    36f2a13cf3071f5076c199476933105c84a81b5d

  • SHA256

    075b787a1c1952697af1b747b896f2422ce61e3ec8f7a2ae39d380f652de3558

  • SHA512

    948009a8bb4f201f3bcd24d4ff4ceb4c0dd949644761eecf55cc159ea0e4bc6c374746212fc663822cf70c600ab2aa824a39500ab2d592e4997e672161c83b7d

  • SSDEEP

    49152:zjDOf2mneHMMWOpUppDF7P45RpYQhItU7SaW9mE9XfYr5u7qLKvg:YesMWeIDhP2DYQMU7SaWRfYrD2Y

Malware Config

Targets

    • Target

      075b787a1c1952697af1b747b896f2422ce61e3ec8f7a2ae39d380f652de3558

    • Size

      2.3MB

    • MD5

      886224a4982435e68ed383051e7afd54

    • SHA1

      36f2a13cf3071f5076c199476933105c84a81b5d

    • SHA256

      075b787a1c1952697af1b747b896f2422ce61e3ec8f7a2ae39d380f652de3558

    • SHA512

      948009a8bb4f201f3bcd24d4ff4ceb4c0dd949644761eecf55cc159ea0e4bc6c374746212fc663822cf70c600ab2aa824a39500ab2d592e4997e672161c83b7d

    • SSDEEP

      49152:zjDOf2mneHMMWOpUppDF7P45RpYQhItU7SaW9mE9XfYr5u7qLKvg:YesMWeIDhP2DYQMU7SaWRfYrD2Y

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Modifies Security services

      Modifies the startup behavior of a security service.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks