Resubmissions

28/12/2024, 17:45 UTC

241228-wb1drazmgw 10

28/12/2024, 17:41 UTC

241228-v9wyjszreq 10

General

  • Target

    ArbuzLoader.exe

  • Size

    7.6MB

  • Sample

    241228-v9wyjszreq

  • MD5

    38f50afe0f9b273b183ac71b93296044

  • SHA1

    9953e56a0b90bd1d8fbb8ea841810f51e9a49a64

  • SHA256

    281615659775d6d8ab80faff90b562188834f78dd0c5f77bc9784d07710abbd9

  • SHA512

    fd7b3eeb6ecd2d3e56741b277dd0c34d2685b76987d39b03874bf87289a9d9ffa26ebf8fef5c4b26aae5da260629c447da2788c42bd9f62f368ea1c15a29ad75

  • SSDEEP

    196608:JoD+kd7EwfI9jUCBB7m+mKOY7rXrZusoSDmhfvsbnTNeWA:K59IHL7HmBYXrYSaUNy

Malware Config

Targets

    • Target

      ArbuzLoader.exe

    • Size

      7.6MB

    • MD5

      38f50afe0f9b273b183ac71b93296044

    • SHA1

      9953e56a0b90bd1d8fbb8ea841810f51e9a49a64

    • SHA256

      281615659775d6d8ab80faff90b562188834f78dd0c5f77bc9784d07710abbd9

    • SHA512

      fd7b3eeb6ecd2d3e56741b277dd0c34d2685b76987d39b03874bf87289a9d9ffa26ebf8fef5c4b26aae5da260629c447da2788c42bd9f62f368ea1c15a29ad75

    • SSDEEP

      196608:JoD+kd7EwfI9jUCBB7m+mKOY7rXrZusoSDmhfvsbnTNeWA:K59IHL7HmBYXrYSaUNy

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

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