General

  • Target

    ZenFN.exe

  • Size

    5.9MB

  • Sample

    241230-j53dzswqd1

  • MD5

    6fa7977c798d8f612b10d79ba9504660

  • SHA1

    3ffe480ea280907ce27143c83674d8cd1aff938a

  • SHA256

    de8d0797bed607ded0c487cbf86b4bdd095e1f73b7e432bddf821a4d221132b1

  • SHA512

    102b895a7adf1b3c3f7514174301525522e02be74f729a2cd09b31e14711469389990cdc66ccc41aef8d702e34be7292e5d468028af67d233c829f0e3fad0cf3

  • SSDEEP

    98304:AifrAEHhCrJi65sn6Wfz7pnxCb3AtZC0VZHtKpbzL8SG2XATHTm9Uk6nRxbsYvNr:A+rAE+LDOYbwtZVZibPpG2QrTsU5nzss

Malware Config

Targets

    • Target

      ZenFN.exe

    • Size

      5.9MB

    • MD5

      6fa7977c798d8f612b10d79ba9504660

    • SHA1

      3ffe480ea280907ce27143c83674d8cd1aff938a

    • SHA256

      de8d0797bed607ded0c487cbf86b4bdd095e1f73b7e432bddf821a4d221132b1

    • SHA512

      102b895a7adf1b3c3f7514174301525522e02be74f729a2cd09b31e14711469389990cdc66ccc41aef8d702e34be7292e5d468028af67d233c829f0e3fad0cf3

    • SSDEEP

      98304:AifrAEHhCrJi65sn6Wfz7pnxCb3AtZC0VZHtKpbzL8SG2XATHTm9Uk6nRxbsYvNr:A+rAE+LDOYbwtZVZibPpG2QrTsU5nzss

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • 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

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks