General

  • Target

    msBXjHgLiqGMHCU.exe

  • Size

    656KB

  • Sample

    240912-kg6xyazclq

  • MD5

    9ccb346f16d76d6b4d042563817f0438

  • SHA1

    7fd86a1da960cd5650c648e096976a944ff39102

  • SHA256

    6133a8bf79e90b6d543472f1ccd1371e2ff93f5a47f45c846980174af005ff74

  • SHA512

    cbf81baf6f99768e96f04d0412d1512ea953ec98681e7c8abade77ca3c5c3f64d73e62d5d4f340dd16bbaa54b8c0f388c47dd543b7d532fdd5f3c111953f8cee

  • SSDEEP

    12288:Otz9ygilPX0w1PtAdZt8HRAUI6MqLmcZh6eXHLkR:y1i5vMZuxAU19icT6e+

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aowapnzgtwgqowgt

Targets

    • Target

      msBXjHgLiqGMHCU.exe

    • Size

      656KB

    • MD5

      9ccb346f16d76d6b4d042563817f0438

    • SHA1

      7fd86a1da960cd5650c648e096976a944ff39102

    • SHA256

      6133a8bf79e90b6d543472f1ccd1371e2ff93f5a47f45c846980174af005ff74

    • SHA512

      cbf81baf6f99768e96f04d0412d1512ea953ec98681e7c8abade77ca3c5c3f64d73e62d5d4f340dd16bbaa54b8c0f388c47dd543b7d532fdd5f3c111953f8cee

    • SSDEEP

      12288:Otz9ygilPX0w1PtAdZt8HRAUI6MqLmcZh6eXHLkR:y1i5vMZuxAU19icT6e+

    • 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