General

  • Target

    final.exe

  • Size

    30.0MB

  • Sample

    250121-jka41atlbz

  • MD5

    f9b1cfbc752d835fc220aae9f5c67f9b

  • SHA1

    82810e006cfcdd4294993e865d71952c5d8c2720

  • SHA256

    17774113d2f131fbec86a1c87eb1c589907ca3135d4336b58b9f60260820b85d

  • SHA512

    5e11615dc67d28ea591b2cc5d49916d1ddf108b7f731bf4816bef052cdec15b20ee44c1d29c80079e99293d2a705e2f23d420601bbbef57372dcc20eaae5aa7b

  • SSDEEP

    786432:B9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8fIGdO+OPHmEakjN06tcDIs:B9JaWfuskiIp61H++iHhakJ06tB

Malware Config

Targets

    • Target

      final.exe

    • Size

      30.0MB

    • MD5

      f9b1cfbc752d835fc220aae9f5c67f9b

    • SHA1

      82810e006cfcdd4294993e865d71952c5d8c2720

    • SHA256

      17774113d2f131fbec86a1c87eb1c589907ca3135d4336b58b9f60260820b85d

    • SHA512

      5e11615dc67d28ea591b2cc5d49916d1ddf108b7f731bf4816bef052cdec15b20ee44c1d29c80079e99293d2a705e2f23d420601bbbef57372dcc20eaae5aa7b

    • SSDEEP

      786432:B9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8fIGdO+OPHmEakjN06tcDIs:B9JaWfuskiIp61H++iHhakJ06tB

    • Modifies Windows Defender Real-time Protection settings

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Drops startup file

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • 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.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks