General

  • Target

    47b44af25ffbeb20e2b0537b25f78374177dea4b6bd61ae8b0c3adb8c69bf110.exe

  • Size

    609KB

  • Sample

    240920-bpwmhasaln

  • MD5

    74bac12af6daf396b4d7b11c78cd9dec

  • SHA1

    ee0ccb5386d6926fad7743294609f1c14ab355f4

  • SHA256

    47b44af25ffbeb20e2b0537b25f78374177dea4b6bd61ae8b0c3adb8c69bf110

  • SHA512

    16a7a3a7e492ced9132c068d9637184cddb9167d321598b97ea3e1a838f7d258b7b71cc26ad88da896b79b9ecc0e2f6c3b39bacc06b9aab32c930c844638d1ed

  • SSDEEP

    12288:Pdhc0RRiVRHzMv7sRLPJxC5I5gyiFv1XBnbxiLOhUmoOGJyAX:PdH8TMvwRdOyeXBhUmorJ

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

Targets

    • Target

      47b44af25ffbeb20e2b0537b25f78374177dea4b6bd61ae8b0c3adb8c69bf110.exe

    • Size

      609KB

    • MD5

      74bac12af6daf396b4d7b11c78cd9dec

    • SHA1

      ee0ccb5386d6926fad7743294609f1c14ab355f4

    • SHA256

      47b44af25ffbeb20e2b0537b25f78374177dea4b6bd61ae8b0c3adb8c69bf110

    • SHA512

      16a7a3a7e492ced9132c068d9637184cddb9167d321598b97ea3e1a838f7d258b7b71cc26ad88da896b79b9ecc0e2f6c3b39bacc06b9aab32c930c844638d1ed

    • SSDEEP

      12288:Pdhc0RRiVRHzMv7sRLPJxC5I5gyiFv1XBnbxiLOhUmoOGJyAX:PdH8TMvwRdOyeXBhUmorJ

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks