Overview

overview

10

Static

static

1

53eee95df0...46.bat

windows7-x64

10

53eee95df0...46.bat

windows10-2004-x64

10

Sharing

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General

  • Target
    53eee95df04e2db4b9582c284db560c4fd98d0702a56054b45536e158f7f7446.bat
  • Size 32KB
  • Sample241122-cxc1ssylem
  • SHA256 53eee95df04e2db4b9582c284db560c4fd98d0702a56054b45536e158f7f7446
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
executionpersistencespywarestealer

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://www.dropbox.com/scl/fi/qukhm5nxh9vj4yeib9imn/20_Advertising_Campaign_and_Collaboration.docx?rlkey=wbac1g8wzi5e49dnttqx9sv3h&st=g4q7mwtc&dl=1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://gitlab.com/bosechang/mkt/-/raw/main/20Fukrun.zip

Targets

    • Target
      53eee95df04e2db4b9582c284db560c4fd98d0702a56054b45536e158f7f7446.bat
    • Size 32KB
    • SHA256 53eee95df04e2db4b9582c284db560c4fd98d0702a56054b45536e158f7f7446
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    executionpersistencespywarestealer

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks