Overview

overview

10

Static

static

10

2026-10-05...ar.exe

windows10-2004-x64

10

2026-10-05...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-05_77bd30412bf0d7502789c3a63949a903_akira_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar
  • Size 7.3MB
  • Sample261006-1dk43afs8v
  • SHA256 d0e69ccb6905fb31dcf152a8d4a75330be0f3309796e76c46f288d468a1982e0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-10-05_77bd30412bf0d7502789c3a63949a903_akira_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar
    • Size 7.3MB
    • SHA256 d0e69ccb6905fb31dcf152a8d4a75330be0f3309796e76c46f288d468a1982e0
    • 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