General

  • Target

    SWIFTCOPY-NEOKEM.doc

  • Size

    666KB

  • Sample

    240918-ppf4pssanm

  • MD5

    39f1d0229752b47fea356920fe89acac

  • SHA1

    e3ab746165d52d284f9aea95200f79269683222f

  • SHA256

    947aecd3aec98961186f255e1aa992ca51763f9a8dcfbf508977d6dbbfa72c5a

  • SHA512

    9af34c5acfbcfe55672f635d3da73906d073242751a0b702252e6cc28537e3c1a6e974b9ce3a2713a3a526e6cd327ca3ae74d5ffe7d5d74c6c78846545cb625a

  • SSDEEP

    6144:xwAYwAYwAyPFx0drscDjhOt/CnYHSxnkdd6:b

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SWIFTCOPY-NEOKEM.doc

    • Size

      666KB

    • MD5

      39f1d0229752b47fea356920fe89acac

    • SHA1

      e3ab746165d52d284f9aea95200f79269683222f

    • SHA256

      947aecd3aec98961186f255e1aa992ca51763f9a8dcfbf508977d6dbbfa72c5a

    • SHA512

      9af34c5acfbcfe55672f635d3da73906d073242751a0b702252e6cc28537e3c1a6e974b9ce3a2713a3a526e6cd327ca3ae74d5ffe7d5d74c6c78846545cb625a

    • SSDEEP

      6144:xwAYwAYwAyPFx0drscDjhOt/CnYHSxnkdd6:b

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks