General

  • Target

    Crack Launcher.exe

  • Size

    3.7MB

  • Sample

    250306-rcwpqs1j12

  • MD5

    95e8f2ac083ffa44bd5eb4011a5bc4ef

  • SHA1

    a88990feafe0a9955121608d92eb9156cb6621a0

  • SHA256

    706cac0b64738427fc45831e2d7cb548268adf36e6111e0f9aac71f48e6091eb

  • SHA512

    72bb43b6ee2a4fb9ab42aabd73f8eb064cc40bf575403afab4a161c69f6e9144ef62f40d3f0eca9e26864cf71729b5e4154d3dc93f2e94caa742fd2f629014ee

  • SSDEEP

    98304:8DaQ4jINZ/bE6Jg9iw0QLZ+8WK1mzJxN/NEneQNEf:F5INJ1w0UNWsm7+eQNM

Malware Config

Extracted

Family

xworm

Version

5.0

C2

Idlerkik-51025.portmap.host:51025

Mutex

39nuvgE8f15qGIgl

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.exe

aes.plain

Targets

    • Target

      Crack Launcher.exe

    • Size

      3.7MB

    • MD5

      95e8f2ac083ffa44bd5eb4011a5bc4ef

    • SHA1

      a88990feafe0a9955121608d92eb9156cb6621a0

    • SHA256

      706cac0b64738427fc45831e2d7cb548268adf36e6111e0f9aac71f48e6091eb

    • SHA512

      72bb43b6ee2a4fb9ab42aabd73f8eb064cc40bf575403afab4a161c69f6e9144ef62f40d3f0eca9e26864cf71729b5e4154d3dc93f2e94caa742fd2f629014ee

    • SSDEEP

      98304:8DaQ4jINZ/bE6Jg9iw0QLZ+8WK1mzJxN/NEneQNEf:F5INJ1w0UNWsm7+eQNM

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • 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

    • Adds Run key to start application

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks