General

  • Target
    yoinker.exe
  • Size 20.9MB
  • Sample240604-qswt1ahb71
  • SHA256 246eb64b071f5c06a44b7d138d2c45edb7f2b4bb93ec7007994ada52d26b7292
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      yoinker.exe
    • Size 20.9MB
    • SHA256 246eb64b071f5c06a44b7d138d2c45edb7f2b4bb93ec7007994ada52d26b7292
    • MD5 SHA1 SHA512 SSDEEP
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Adds Run key to start application

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks