General

  • Target

    Fortnite.zip

  • Size

    21.2MB

  • Sample

    250126-q5lvkasraw

  • MD5

    a6f7176d154c943ddb235aa60cabbee8

  • SHA1

    116919fdf64b75bea1e997927492627697dd93f8

  • SHA256

    88f51af987c4632ef1841cc4cde114614bb5d91219abc2dd4970cb162421376d

  • SHA512

    76917cf938e8896d624cf948d52b267cca517060ad667b845faf0bd1aa0eb67b38f32e0a01f6d8e09663ddb97d9d1175caf7ca431c9e32aafa8a816b466a6748

  • SSDEEP

    393216:bDQuAx1L6LkW9EWAa//MbJUsi3UlxhHDJM9iQSa3cOSLX1t54vZE9z6:bjqoLkW9FAa3MbJUSxDMQpPdXYE9W

Malware Config

Targets

    • Target

      Fortnite/vosfn.exe

    • Size

      21.3MB

    • MD5

      9ba7486280499dc54dff9a02b80baac6

    • SHA1

      cca0585028bce98398c39b885ba4461a7b5b6ea1

    • SHA256

      1a6e578000faaaf8b3ba921009ac9208480d33cf0e08b6bec9781c9f684fb237

    • SHA512

      3d61aee358117c4e3420314bf5669994e7ce862bc354e129ce120d66bfd7a201ac6da779dea8257349e75b2fc5976d595dbf8a2db1e535f472e7a2469ffb2a25

    • SSDEEP

      393216:ymkILbJ6LmC8+ocQtN2dZQmyfcnXThRleRso9urEUWjC3zDbF4frp:yxcILmC8BcQ72dZQoXde68dbCp4f9

    • Command and Scripting Interpreter: PowerShell

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

    • 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