Overview

overview

10

Static

static

10

2026-08-28...d_.exe

windows10-2004-x64

10

2026-08-28...d_.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-28_c84de5c0bfe5f43659ebfe6fd5f4c196_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_stealc_vidar
  • Size 5.8MB
  • Sample260828-ktpjeswald
  • SHA256 1733701c9eeddd11f4c6e8ca9b8f9907a0cd07515fd03a53bfb672d4fca2b1a7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistencespywarestealerupxworm

Malware Config

Targets

    • Target
      2026-08-28_c84de5c0bfe5f43659ebfe6fd5f4c196_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_stealc_vidar
    • Size 5.8MB
    • SHA256 1733701c9eeddd11f4c6e8ca9b8f9907a0cd07515fd03a53bfb672d4fca2b1a7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryfesberpersistencespywarestealerupxworm

    • Detects Fesber payload

    • Family: Fesber

      Fesber is a Windows worm written in Delphi.

      wormfesber

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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