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_bc1c7047816ad3b8de382e85d9fc6d41_amadey_elex_wannacry
  • Size 77KB
  • Sample261029-ym6q1scc85
  • SHA256 0b8dc9b2dc0aaa14afc0ed34ffa68d7f35aaa685faef135d3029c5faf21cb29c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-10-28_bc1c7047816ad3b8de382e85d9fc6d41_amadey_elex_wannacry
    • Size 77KB
    • SHA256 0b8dc9b2dc0aaa14afc0ed34ffa68d7f35aaa685faef135d3029c5faf21cb29c
    • 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