Overview

overview

10

Static

static

10

2026-10-16...ry.exe

windows10-2004-x64

10

2026-10-16...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-16_51b7697d3df0cc449d6f2d6485d6b7e6_amadey_cobalt-strike_elex_icedid_njrat_vidar_wannacry
  • Size 3.0MB
  • Sample261017-v35l4sa121
  • SHA256 b1fae3d206798fb64913bc9bd894569dad31a6f7019ab7b0e1960774c04ee32b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-10-16_51b7697d3df0cc449d6f2d6485d6b7e6_amadey_cobalt-strike_elex_icedid_njrat_vidar_wannacry
    • Size 3.0MB
    • SHA256 b1fae3d206798fb64913bc9bd894569dad31a6f7019ab7b0e1960774c04ee32b
    • 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