Overview

overview

10

Static

static

10

2026-10-04...ar.exe

windows10-2004-x64

10

2026-10-04...ar.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-10-04_e778f94c4194be12c74e1c3dbec598c6_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_vidar
  • Size 6.7MB
  • Sample261004-3d63mss13n
  • SHA256 184b0baf5ce6cadaad6c16c7dc02a8e03af94e1fd91e41ea6fadf1744e2323b4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-10-04_e778f94c4194be12c74e1c3dbec598c6_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_vidar
    • Size 6.7MB
    • SHA256 184b0baf5ce6cadaad6c16c7dc02a8e03af94e1fd91e41ea6fadf1744e2323b4
    • 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

    • Executes dropped EXE

    • 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