General

  • Target

    871768e4f3d4bc1e473bc694b4d5b39a52b1d3b9aa74a580083f3162ef425441

  • Size

    833KB

  • Sample

    241117-ss225asgla

  • MD5

    c3176d8cec1327a8648d526ea708a89b

  • SHA1

    93722d39cfdcaec37d5228b4fab67744e9ed4d5e

  • SHA256

    871768e4f3d4bc1e473bc694b4d5b39a52b1d3b9aa74a580083f3162ef425441

  • SHA512

    1f05078db38ed4553d6eda3f22664d6c1415713a7bac077c0974b449527e287cfcbe30ef360ddabcf24490c3d91ab209f18514fe2aad5fc5b3587363a3ef7820

  • SSDEEP

    24576:IjovSJC2XoIPWI1RhEgBIDIfdwHT5LDdz5:3vSzoIxyIIDVHr

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    CCu5Z?WuH+bS4hsz

Targets

    • Target

      871768e4f3d4bc1e473bc694b4d5b39a52b1d3b9aa74a580083f3162ef425441

    • Size

      833KB

    • MD5

      c3176d8cec1327a8648d526ea708a89b

    • SHA1

      93722d39cfdcaec37d5228b4fab67744e9ed4d5e

    • SHA256

      871768e4f3d4bc1e473bc694b4d5b39a52b1d3b9aa74a580083f3162ef425441

    • SHA512

      1f05078db38ed4553d6eda3f22664d6c1415713a7bac077c0974b449527e287cfcbe30ef360ddabcf24490c3d91ab209f18514fe2aad5fc5b3587363a3ef7820

    • SSDEEP

      24576:IjovSJC2XoIPWI1RhEgBIDIfdwHT5LDdz5:3vSzoIxyIIDVHr

    • AgentTesla

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

    • Agenttesla family

    • 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