Overview

overview

10

Static

static

10

2026-05-11...ca.exe

windows10-2004-x64

10

2026-05-11...ca.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-05-11_ed15c826aa90769c7ee8d0de618a1166_akira_amadey_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_stealc_vidar_wannacry
  • Size 10.1MB
  • Sample260511-rmgnkacs2z
  • SHA256 9ab1b5f6c0786c2afb03c4b2332db3ce8ea45a9c98e16bcf404c409fbc5d71b5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      2026-05-11_ed15c826aa90769c7ee8d0de618a1166_akira_amadey_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_stealc_vidar_wannacry
    • Size 10.1MB
    • SHA256 9ab1b5f6c0786c2afb03c4b2332db3ce8ea45a9c98e16bcf404c409fbc5d71b5
    • 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