General

  • Target

    166e81a662c9411d0c7cce9405ca208d79b1a00d5e241ddb9b7c80024c8b6e2a

  • Size

    667KB

  • Sample

    240909-kdkkjayhqk

  • MD5

    ee4d281a682c314cecd6dd66c85bcf13

  • SHA1

    2128b914f6a5dc69226b65196b26a0d40c390b2f

  • SHA256

    166e81a662c9411d0c7cce9405ca208d79b1a00d5e241ddb9b7c80024c8b6e2a

  • SHA512

    da668abbebd814d3c72ebc1c2cc2549e6aee0ea4c630b0f889bd31db494803b8570bacf92006e87eda662b7eab173ed74b5ba9d8379b44e2e6e943148dd8ba69

  • SSDEEP

    12288:6HBmDxheb5B2zXbpYh7QTgq/ETq786UII0s1QE9SSXQ6RHsHHrtRKq7qdhn1ok:6YDxk5YXtiMlA9IIT1QcSSXRUHqsqok

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      CG230511007 double ring.pdf.bat

    • Size

      698KB

    • MD5

      4a2d8f6fac5f95fc384c689d9a5927a2

    • SHA1

      97ad59b9532706d2457eb10f6902b5e2f9442566

    • SHA256

      44c35217277fbfdde4251ac9c9bad106247b6f5ca5ca0f1dbaf8f3343b364af0

    • SHA512

      43d2340d3f49c138b9c0f880617f4f730837c8983fa4a254b16ecbaa5dfef38c1643a657cf04962e9897c56fa561ede9181e3be23d24510e8cf9e186bf77cdd2

    • SSDEEP

      12288:FzjLf30WH0IieBhVpz60zapdl4VOqXEkOdu+VGBecnFj8AzPmZ:djj0yyeb/5+lfk8iFFj8MPm

    • 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.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks