General

  • Target

    Tweak.exe

  • Size

    7.6MB

  • Sample

    250103-web6bsymar

  • MD5

    4a66ad3fe1342a755486a7f3f2319abe

  • SHA1

    e427f14e049f5b9cf56de0c60e1a828fc63d7aea

  • SHA256

    a83f79944ebd60ddc501a63e4d8e6d661559ec9a031f0846ae21709169e8d6bc

  • SHA512

    d7761d9deb0646cd4d79132fe437d477122d6a68036a67c6ed3aa6e8b0abaa4921e3b3524ef7c66ab5a05c874cce0b0f0017766432f8196e7867e39762f0125a

  • SSDEEP

    196608:BJD+kdLSwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWe:L5JxIHL7HmBYXrYoaUN1

Malware Config

Targets

    • Target

      Tweak.exe

    • Size

      7.6MB

    • MD5

      4a66ad3fe1342a755486a7f3f2319abe

    • SHA1

      e427f14e049f5b9cf56de0c60e1a828fc63d7aea

    • SHA256

      a83f79944ebd60ddc501a63e4d8e6d661559ec9a031f0846ae21709169e8d6bc

    • SHA512

      d7761d9deb0646cd4d79132fe437d477122d6a68036a67c6ed3aa6e8b0abaa4921e3b3524ef7c66ab5a05c874cce0b0f0017766432f8196e7867e39762f0125a

    • SSDEEP

      196608:BJD+kdLSwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWe:L5JxIHL7HmBYXrYoaUN1

    • Command and Scripting Interpreter: PowerShell

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks