General

  • Target

    MySteal.exe

  • Size

    8.2MB

  • Sample

    250117-wds3fsypbr

  • MD5

    839f0aab7070e951775169b887739f04

  • SHA1

    f634487c1638a8d66d894e2d3aa18c1a354682a9

  • SHA256

    14069a9565220d7da82ae2a4d9ad9c502e08ef2258f443be05610b39222b024c

  • SHA512

    57b5b85cc156d3ac79aeaf573af8ec1653c7e59932f5d12cdcc22cc376a6f9aea482076391d848d08b8dd19710916e3cd23fcd6825d72e946a60db3ec339c6e2

  • SSDEEP

    196608:sAgCq5wfI9jUC2gYBYv3vbW4SEA+iITm1U6f7:KCpIH2gYBgDWZ+TOz

Malware Config

Targets

    • Target

      MySteal.exe

    • Size

      8.2MB

    • MD5

      839f0aab7070e951775169b887739f04

    • SHA1

      f634487c1638a8d66d894e2d3aa18c1a354682a9

    • SHA256

      14069a9565220d7da82ae2a4d9ad9c502e08ef2258f443be05610b39222b024c

    • SHA512

      57b5b85cc156d3ac79aeaf573af8ec1653c7e59932f5d12cdcc22cc376a6f9aea482076391d848d08b8dd19710916e3cd23fcd6825d72e946a60db3ec339c6e2

    • SSDEEP

      196608:sAgCq5wfI9jUC2gYBYv3vbW4SEA+iITm1U6f7:KCpIH2gYBgDWZ+TOz

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks