General

  • Target

    final.exe

  • Size

    29.8MB

  • Sample

    250120-nbrslswpgr

  • MD5

    1cf99d7d541833d29e30de5cd230bb84

  • SHA1

    6e388a5bc3f65f83ac53ee5615468b9525d5234c

  • SHA256

    87e2b8b950e49d2493a66f6206fe6bf71cf8313347d80e3bf42df081b31799b5

  • SHA512

    b0a4a8aed45dcb602f250887f5d9582882db86efabf00f398937df7d2b24da73bba051bc98f711a95ae8f21a7de50280bec36b50740613293c705ccf87244af5

  • SSDEEP

    786432:P9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8fAGdO+IPHmEakdN0UcDIO:P9JaWfuskiIp61HW+0Hhak30UB

Malware Config

Targets

    • Target

      final.exe

    • Size

      29.8MB

    • MD5

      1cf99d7d541833d29e30de5cd230bb84

    • SHA1

      6e388a5bc3f65f83ac53ee5615468b9525d5234c

    • SHA256

      87e2b8b950e49d2493a66f6206fe6bf71cf8313347d80e3bf42df081b31799b5

    • SHA512

      b0a4a8aed45dcb602f250887f5d9582882db86efabf00f398937df7d2b24da73bba051bc98f711a95ae8f21a7de50280bec36b50740613293c705ccf87244af5

    • SSDEEP

      786432:P9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8fAGdO+IPHmEakdN0UcDIO:P9JaWfuskiIp61HW+0Hhak30UB

    • Modifies Windows Defender Real-time Protection settings

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • 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