Overview

overview

10

Static

static

10

2026-10-28...ry.exe

windows10-2004-x64

10

2026-10-28...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-28_a5912569cb0eea742f68d1c7b45c9d96_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry
  • Size 1.2MB
  • Sample261029-1pvsmsce77
  • SHA256 460e9a52c8ef357721e86d464e1a7316b58ecf7a6c961dd4b205e7954c35cfb0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-10-28_a5912569cb0eea742f68d1c7b45c9d96_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry
    • Size 1.2MB
    • SHA256 460e9a52c8ef357721e86d464e1a7316b58ecf7a6c961dd4b205e7954c35cfb0
    • 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