Overview

overview

9

Static

static

3

steam-acco...er.exe

windows10-2004-x64

9

steam-acco...er.exe

windows11-ltsc_2024-x64

1

Sharing

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General

  • Target
    steam-account-manager.exe
  • Size 6.3MB
  • Sample260809-ver14sbe27
  • SHA256 acc101992d51981df94c53a99d5913689b21cfba2786a553c7958d65aaca9d15
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoverypersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target
      steam-account-manager.exe
    • Size 6.3MB
    • SHA256 acc101992d51981df94c53a99d5913689b21cfba2786a553c7958d65aaca9d15
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoverypersistenceransomwarespywaretrojan

    • Renames multiple (6136) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks