Overview

overview

10

Static

static

10

2026-05-22...rm.exe

windows10-2004-x64

10

2026-05-22...rm.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-05-22_a090adf7246d17572e66949e04d71d6e_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm
  • Size 429KB
  • Sample260522-yemm6sd13k
  • SHA256 d404689662dd0dd2b5a9900199a6e5411db2822cf99558652744ac821ef8866e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
vilseldefense_evasiondiscoverypersistencetrojan

Malware Config

Targets

    • Target
      2026-05-22_a090adf7246d17572e66949e04d71d6e_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm
    • Size 429KB
    • SHA256 d404689662dd0dd2b5a9900199a6e5411db2822cf99558652744ac821ef8866e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryvilselpersistencetrojan

    • Detects Vilsel trojan

    • Family: Vilsel

      Vilsel is a trojan written in VisualBasic.

      trojanvilsel

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • Detects Windows executables referencing non-Windows User-Agents

    • Disables RegEdit via registry modification

      defense_evasion

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks