General

  • Target

    PO-3500036071.exe

  • Size

    766KB

  • Sample

    240923-psckpawfpn

  • MD5

    08de4a78faebb0c78f0b5e7eb8ff7ba9

  • SHA1

    0fc42cffd7cad9b33c8deb3f5bb690486ea3794b

  • SHA256

    8bb52d0be263f9a7841a7a7537f0ac85fe5fe4b5bcc87d94663dce56ebad90dd

  • SHA512

    94af88f97cc70132714fa1c7b805e66105d1567e5bf60e318e1dceab65a6546371e0596bfcde270eab5517df7d06807c87cd8366082bbac2d595b2b938390d41

  • SSDEEP

    12288:LBbDijRwxhRq9eCv+OJsVhoh/oROEZLvwA8B89/9JSmfsDhCr3z4fn2:LBbDc0C9er2sVTU8LIB8XJSW24r30

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO-3500036071.exe

    • Size

      766KB

    • MD5

      08de4a78faebb0c78f0b5e7eb8ff7ba9

    • SHA1

      0fc42cffd7cad9b33c8deb3f5bb690486ea3794b

    • SHA256

      8bb52d0be263f9a7841a7a7537f0ac85fe5fe4b5bcc87d94663dce56ebad90dd

    • SHA512

      94af88f97cc70132714fa1c7b805e66105d1567e5bf60e318e1dceab65a6546371e0596bfcde270eab5517df7d06807c87cd8366082bbac2d595b2b938390d41

    • SSDEEP

      12288:LBbDijRwxhRq9eCv+OJsVhoh/oROEZLvwA8B89/9JSmfsDhCr3z4fn2:LBbDc0C9er2sVTU8LIB8XJSW24r30

    • 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.

    • 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