Overview

overview

10

Static

static

10

2026-07-16...ry.exe

windows10-2004-x64

10

2026-07-16...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-16_76b2c0f856c34a81bd5ac905e541f08f_amadey_elex_wannacry
  • Size 78KB
  • Sample260716-dby7kse19v
  • SHA256 bb3f9c0db20dd1b9a9b03c44c343b6a142fe301d7d38e395234fe57f86764882
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-07-16_76b2c0f856c34a81bd5ac905e541f08f_amadey_elex_wannacry
    • Size 78KB
    • SHA256 bb3f9c0db20dd1b9a9b03c44c343b6a142fe301d7d38e395234fe57f86764882
    • 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