General

  • Target

    b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62.exe

  • Size

    716KB

  • Sample

    240521-rwaavahc9y

  • MD5

    cd3d96bf2cdd57e03fa908166592ae2e

  • SHA1

    23df570704219bb1f7142e5c84c463b38b6fa30f

  • SHA256

    b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62

  • SHA512

    3ffcb82ccb9a34d2f6babef13c7ebb7ae57893f95c6c74d5f1b1ea9276f3a51542350d43116d455eebd7e6183fb53440d0db2cfebe56579fba607e19acb0db3a

  • SSDEEP

    12288:vWET/mr9KGp318ksbyll71co8X25f/zV83LVJ907fUiSd1HdhKHZle1VCXixwVSk:vWt3x6bylhVYLVJ907edRrKjeayxMTeb

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ifeanyi@12

Targets

    • Target

      b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62.exe

    • Size

      716KB

    • MD5

      cd3d96bf2cdd57e03fa908166592ae2e

    • SHA1

      23df570704219bb1f7142e5c84c463b38b6fa30f

    • SHA256

      b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62

    • SHA512

      3ffcb82ccb9a34d2f6babef13c7ebb7ae57893f95c6c74d5f1b1ea9276f3a51542350d43116d455eebd7e6183fb53440d0db2cfebe56579fba607e19acb0db3a

    • SSDEEP

      12288:vWET/mr9KGp318ksbyll71co8X25f/zV83LVJ907fUiSd1HdhKHZle1VCXixwVSk:vWt3x6bylhVYLVJ907edRrKjeayxMTeb

    • AgentTesla

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

    • 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