General

  • Target

    efbea3c102bcb9f7f4239416a6f16a00d75d44ba75b8c6c01b9e1f226ec3e3d7

  • Size

    1.2MB

  • Sample

    240726-bygjya1crc

  • MD5

    747c66213929acd44b0ef333d8bce70f

  • SHA1

    72762d04bea2063797c908fdf69c17660ee34456

  • SHA256

    efbea3c102bcb9f7f4239416a6f16a00d75d44ba75b8c6c01b9e1f226ec3e3d7

  • SHA512

    9eb88af9ad2e3982cec02440b8d9edb16779158e5ef960298c0bfcaa4bc6752fb8e9fe3562c9fc1e3a3a8cbb3c705b3d11ab9c65272daf6169d8fd756704efa5

  • SSDEEP

    24576:gw/4rEOWulpZlHbcWZGW/4rZu3AssPjK1yCb4F5pHqLV3U:gwgoWv7QXWgg+Pjky/Fbq

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7390139954:AAFw-89dzufZnN9iQ-qMJ7xuGsXRrzvXAEI/

Extracted

Family

redline

Botnet

eff123

C2

143.244.169.95:16383

Targets

    • Target

      efbea3c102bcb9f7f4239416a6f16a00d75d44ba75b8c6c01b9e1f226ec3e3d7

    • Size

      1.2MB

    • MD5

      747c66213929acd44b0ef333d8bce70f

    • SHA1

      72762d04bea2063797c908fdf69c17660ee34456

    • SHA256

      efbea3c102bcb9f7f4239416a6f16a00d75d44ba75b8c6c01b9e1f226ec3e3d7

    • SHA512

      9eb88af9ad2e3982cec02440b8d9edb16779158e5ef960298c0bfcaa4bc6752fb8e9fe3562c9fc1e3a3a8cbb3c705b3d11ab9c65272daf6169d8fd756704efa5

    • SSDEEP

      24576:gw/4rEOWulpZlHbcWZGW/4rZu3AssPjK1yCb4F5pHqLV3U:gwgoWv7QXWgg+Pjky/Fbq

    • AgentTesla

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • 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.

    • Deletes itself

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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