General

  • Target

    691b3dd703be9b8ab5dcb646730d9f338aee79358c353ba9374da156a0062704

  • Size

    8.3MB

  • Sample

    250302-p9twasvrz3

  • MD5

    cb7d433737004440959018b1eea41491

  • SHA1

    74ab4752b36290469e33edbf84b3dcf7627ae34d

  • SHA256

    691b3dd703be9b8ab5dcb646730d9f338aee79358c353ba9374da156a0062704

  • SHA512

    1cd894a2067a37bd09c7a42ab65306ba6ef79d9eacc2221c7a9006c6bf6e838828a4be794d8745278801439dd1b842c867808c68274ea7088dd1ec28d08dba39

  • SSDEEP

    196608:nW606kieYYwfI9jUCD6rlaZLH7qRGrGIYUoZy8FUsOnAok:fHIH20drLYRZjok

Malware Config

Extracted

Family

xworm

C2

45.141.26.105:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      691b3dd703be9b8ab5dcb646730d9f338aee79358c353ba9374da156a0062704

    • Size

      8.3MB

    • MD5

      cb7d433737004440959018b1eea41491

    • SHA1

      74ab4752b36290469e33edbf84b3dcf7627ae34d

    • SHA256

      691b3dd703be9b8ab5dcb646730d9f338aee79358c353ba9374da156a0062704

    • SHA512

      1cd894a2067a37bd09c7a42ab65306ba6ef79d9eacc2221c7a9006c6bf6e838828a4be794d8745278801439dd1b842c867808c68274ea7088dd1ec28d08dba39

    • SSDEEP

      196608:nW606kieYYwfI9jUCD6rlaZLH7qRGrGIYUoZy8FUsOnAok:fHIH20drLYRZjok

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks