Overview

overview

10

Static

static

3

builder.exe

windows10-2004-x64

10

builder.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    builder.exe
  • Size 22.5MB
  • Sample260702-1fysyaft5t
  • SHA256 657a94c917c33c1e6aeb1b349fe72f9406a1dda610fc5cf4be96ba7d46a4556a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
luna_stealerdiscoverypersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target
      builder.exe
    • Size 22.5MB
    • SHA256 657a94c917c33c1e6aeb1b349fe72f9406a1dda610fc5cf4be96ba7d46a4556a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryluna_stealerpersistenceprivilege_escalationspywarestealerupx

    • Family: LunaStealer

      LunaStealer is an infostealer written in Python and packaged with Pyinstaller.

      stealerluna_stealer

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks