Overview

overview

10

Static

static

3

2026-07-31...ar.exe

windows10-2004-x64

10

2026-07-31...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-31_2d3ee4072530b346c0ebe957e46e6bfd_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar
  • Size 2.4MB
  • Sample260801-adrnqsbl3t
  • SHA256 be0c284f9a6671e939d9974d63ee9716497d9bb2270568a27de68a871ab73a40
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmicdukeapt29aptcollectiondefense_evasiondiscoveryspywarestealer

Malware Config

Targets

    • Target
      2026-07-31_2d3ee4072530b346c0ebe957e46e6bfd_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar
    • Size 2.4MB
    • SHA256 be0c284f9a6671e939d9974d63ee9716497d9bb2270568a27de68a871ab73a40
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    apt29aptcollectiondefense_evasiondiscoverycosmicdukespywarestealer

    • Detects CosmicDuke or TinyBaron

      stealeraptapt29

    • Family: CosmicDuke,TinyBaron

      CosmicDuke aka TinyBaron is an information stealer used by the APT29 group.

      stealercosmicduke

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks