Overview

overview

10

Static

static

10

2026-10-15...de.exe

windows10-2004-x64

10

2026-10-15...de.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-15_ced6c8648de54acef6fb9bf1717f7c7c_amadey_cobalt-strike_coinminer_darkgate_elex_hijackloader_luca-stealer_njrat_vidar_wannacry
  • Size 7.8MB
  • Sample261016-e3vtxa1z3j
  • SHA256 0958d606f0c3801cfbbb5a715c6dd9e9bfee0dcac4f73a9632dd6d34306522c9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-10-15_ced6c8648de54acef6fb9bf1717f7c7c_amadey_cobalt-strike_coinminer_darkgate_elex_hijackloader_luca-stealer_njrat_vidar_wannacry
    • Size 7.8MB
    • SHA256 0958d606f0c3801cfbbb5a715c6dd9e9bfee0dcac4f73a9632dd6d34306522c9
    • 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