General

  • Target

    9a40bb86b69f6c6702f4cef6b9b4c51c68d5923a239eaf6ed3029374d13ccee8

  • Size

    937KB

  • Sample

    240522-bw7y4sgc4w

  • MD5

    4a323d354ce4f623d28481674820af27

  • SHA1

    47c96244f4f6c5ba61b09d97694afbf16707cff8

  • SHA256

    9a40bb86b69f6c6702f4cef6b9b4c51c68d5923a239eaf6ed3029374d13ccee8

  • SHA512

    2f5cec2c419460af012bfc233222db3ba7ba64c2339ac4c2f6dca17377c7cdf4f0cfa4fbec47577f35fcbeee728724483d5e98357681261a9a7cb7675a89fcb3

  • SSDEEP

    12288:PMMbni72U8L4042zQ1WVeXFfJoPQ59ouW1md0PaLAJRCIYpu5ssoxJzNJbH7o:kMbni723L73/gXFxoYzcBVeNN7o

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.avtorska.com.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    avtorska2014@

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      9a40bb86b69f6c6702f4cef6b9b4c51c68d5923a239eaf6ed3029374d13ccee8

    • Size

      937KB

    • MD5

      4a323d354ce4f623d28481674820af27

    • SHA1

      47c96244f4f6c5ba61b09d97694afbf16707cff8

    • SHA256

      9a40bb86b69f6c6702f4cef6b9b4c51c68d5923a239eaf6ed3029374d13ccee8

    • SHA512

      2f5cec2c419460af012bfc233222db3ba7ba64c2339ac4c2f6dca17377c7cdf4f0cfa4fbec47577f35fcbeee728724483d5e98357681261a9a7cb7675a89fcb3

    • SSDEEP

      12288:PMMbni72U8L4042zQ1WVeXFfJoPQ59ouW1md0PaLAJRCIYpu5ssoxJzNJbH7o:kMbni723L73/gXFxoYzcBVeNN7o

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Adds Run key to start application

    • 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