General

  • Target

    final.exe

  • Size

    29.8MB

  • Sample

    250120-m4ajcswjhw

  • MD5

    c37a016ef7be22332932092d8b13584d

  • SHA1

    2e2a911955d36e05d90f424aa86b30067607b899

  • SHA256

    161289c083efd8410446f0b4ac7c547dd79f8e54cc4c92c3b64851ce3e731e81

  • SHA512

    38994e8926aeaaf60fe43cfca1a91fa56ecd8a8adc295d0082ccef120658f32fe4d224ae433e553658233e4e6c2da32710821e0f361387c42a9f537d8842c0f6

  • SSDEEP

    786432:hl9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8ffGdO+FPHmEakdN0UcDIE:n9JaWfuskiIp61HD+tHhak30UB

Malware Config

Targets

    • Target

      final.exe

    • Size

      29.8MB

    • MD5

      c37a016ef7be22332932092d8b13584d

    • SHA1

      2e2a911955d36e05d90f424aa86b30067607b899

    • SHA256

      161289c083efd8410446f0b4ac7c547dd79f8e54cc4c92c3b64851ce3e731e81

    • SHA512

      38994e8926aeaaf60fe43cfca1a91fa56ecd8a8adc295d0082ccef120658f32fe4d224ae433e553658233e4e6c2da32710821e0f361387c42a9f537d8842c0f6

    • SSDEEP

      786432:hl9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8ffGdO+FPHmEakdN0UcDIE:n9JaWfuskiIp61HD+tHhak30UB

    • Modifies Windows Defender Real-time Protection settings

    • UAC bypass

    • 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