Overview

overview

10

Static

static

10

2026-08-13...er.exe

windows10-2004-x64

10

2026-08-13...er.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-08-13_37103e5f3a44e022612589d0e68bf83a_amadey_cobalt-strike_darkgate_elex_luca-stealer_njrat_smoke-loader
  • Size 834KB
  • Sample260813-l2a7faxapc
  • SHA256 e0982818e3e7c2cf5d1331aeb6fb8bd1f244b8c537ee8ad92f21bb3c0289c971
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-08-13_37103e5f3a44e022612589d0e68bf83a_amadey_cobalt-strike_darkgate_elex_luca-stealer_njrat_smoke-loader
    • Size 834KB
    • SHA256 e0982818e3e7c2cf5d1331aeb6fb8bd1f244b8c537ee8ad92f21bb3c0289c971
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryfesberpersistenceupxworm

    • Detects Fesber payload

    • Family: Fesber

      Fesber is a Windows worm written in Delphi.

      wormfesber

    • Modifies WinLogon for persistence

      persistence

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks