General

  • Target

    C0R558497T231751817.eml

  • Size

    1.0MB

  • Sample

    240902-qwgjgs1emn

  • MD5

    ea391196288a8a951b353c238f81a2f8

  • SHA1

    ea52e95a10651e4dd117da06e639a4a80ff26d28

  • SHA256

    8cedabd5e192202c9f52181d467c1ec1543bbf25213f1ebe425e2977dc33e050

  • SHA512

    75f46c65d540b109139a4d9a633f010af20db967c798ae3781d75bb393f356421af4813164842e5c7ed63870b9c26b4858b8a55ac97dc96008ed6988db4a6b97

  • SSDEEP

    1536:hfUE0s+HfUE0s+HfUE0s+HfUE0s+HfUE0s+HfUE0s+HfUE0s+HfUE0s+HfUE0s+F:ECPCNe5y

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Bestell-Nr. 450271795.doc

    • Size

      775KB

    • MD5

      1090a7ff13cb764f333240ea84c72f27

    • SHA1

      f6a2611eb0f69f2f8717b5e5872f4c6d47bfec4d

    • SHA256

      0620258a9b47a789be83096283f39a7d6681e3c1d62fbe49595f6c0a45c21d6b

    • SHA512

      506bf6e90c8e94748e51a92d442666a03e89dca7fd9b89397c0ad443dd4d2e785794e6e9e365c90548cdd38c6afa7089a527cf2e97e7bf86335ce1cc5172c4c3

    • SSDEEP

      6144:IwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAg:hdv

    • 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