General

  • Target

    ec92d715ee5919aac9953358f7d96ff278bc886e40985e496a5057e0021b9cb1

  • Size

    600KB

  • Sample

    240924-yr6a2ssenk

  • MD5

    c9eb31b92bd5f12cdca5b3b0adf1b4ad

  • SHA1

    27d00a637f35daea9ecc2b560d4830608c5155a4

  • SHA256

    ec92d715ee5919aac9953358f7d96ff278bc886e40985e496a5057e0021b9cb1

  • SHA512

    bc4ddbc33a5b4a3b23960828f5c44ce5c745538b100726eebfeddf806bac94687f9f3acc03837afeef6597f2f1aa4f03beb0351fc72c666ea7af71c19bf81527

  • SSDEEP

    12288:HfSG5EsnsL48hKCh7VMiZD0vTdmeKlR6CWsFlJ+1w+LAv:/b5nsL5rM4D0Ldjk/J+1w+s

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

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

Targets

    • Target

      2hhirnfCjjGLDeS.exe

    • Size

      648KB

    • MD5

      f8cf1a175b28df39dd71bf8904d55786

    • SHA1

      bdfb0854aad8206d67884c60ac00d7f357c76e31

    • SHA256

      fffe5a14638b46fd06a74d0004b98d96a72a411ae2551c8d1665991107542b69

    • SHA512

      79a16cd0947892278be14ede6425b5087a187e566756de4e858b82cf82b7ea3b844faabd672dce570e74874613afdfe5192a07ec96a2d287f60d1a72d29f2a8e

    • SSDEEP

      12288:J/SG3yw9EAARdYiQxnnvTTmeohR6+WsvanFf9MNq128bQb:J/biW9ARdynLT3Qynbt1FI

    • 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