General

  • Target
    screensaver.zip
  • Size 18KB
  • Sample240809-j4lpvaybnm
  • SHA256 9de2cbafa58a144deba35a8cf5f137e45915f8beebb95beb08a50e533428e887
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • memorialwords.xyz:4444

Mutex
  • 0FDfqtSCPc6omfwK

Attributes
  • Install_directory

    %AppData%

  • install_file

    Adobe\Reader\updater.exe

aes.plain

Extracted

Family
  • redline

Botnet
  • xclient

C2
  • memorialwords.xyz:6666

Targets

    • Target
      screensaver.exe
    • Size 40KB
    • SHA256 1c8cc063b64f9c4f5beb55f64cf19efb96e2e9d592c221366ec9ceafc4f9c545
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks