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General

  • Target

    Built.exe

  • Size

    6.9MB

  • Sample

    250109-ybhj2synfw

  • MD5

    d289d8d1a916240a07faa4af79bf3cf9

  • SHA1

    847646b8cac7f231c488762e9ebd59c1c1bf2054

  • SHA256

    c6ffecfce008c8ab2f0db96418fbaeaf3413ad4dc0a05b484101cb624a87a8a0

  • SHA512

    174eee0cece8812b35bc58e2fc2fd48f045cff60e439e199df71e11076293b0a06811049b4f85c4ee84b10f50992b19cf84fcda03d14200fc2ca4bd7273fdfd2

  • SSDEEP

    98304:J+DjWM8JEE1F6BamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeRiYRJJcGhEIFd:J+0U8eNTfm/pf+xk4dWRimrbW3jmyC

Malware Config

Targets

    • Target

      Built.exe

    • Size

      6.9MB

    • MD5

      d289d8d1a916240a07faa4af79bf3cf9

    • SHA1

      847646b8cac7f231c488762e9ebd59c1c1bf2054

    • SHA256

      c6ffecfce008c8ab2f0db96418fbaeaf3413ad4dc0a05b484101cb624a87a8a0

    • SHA512

      174eee0cece8812b35bc58e2fc2fd48f045cff60e439e199df71e11076293b0a06811049b4f85c4ee84b10f50992b19cf84fcda03d14200fc2ca4bd7273fdfd2

    • SSDEEP

      98304:J+DjWM8JEE1F6BamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeRiYRJJcGhEIFd:J+0U8eNTfm/pf+xk4dWRimrbW3jmyC

    • Command and Scripting Interpreter: PowerShell

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

    • 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.

    • 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