Overview

overview

10

Static

static

10

2026-07-01...ar.exe

windows10-2004-x64

10

2026-07-01...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-01_6bdc8e68b21c242d7f1fb89b198bc341_amadey_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_stop_vidar
  • Size 5.4MB
  • Sample260701-17ty3afs9q
  • SHA256 dcdfea077226dc2a9f379e4c2e70114ca40b033948825e69bf4957954800a68d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberadwarediscoverypersistenceransomwarespywareupxworm

Malware Config

Targets

    • Target
      2026-07-01_6bdc8e68b21c242d7f1fb89b198bc341_amadey_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_stop_vidar
    • Size 5.4MB
    • SHA256 dcdfea077226dc2a9f379e4c2e70114ca40b033948825e69bf4957954800a68d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryfesberpersistenceupxwormadwareransomwarespyware

    • Detects Fesber payload

    • Family: Fesber

      Fesber is a Windows worm written in Delphi.

      wormfesber

    • Modifies WinLogon for persistence

      persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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