General

  • Target

    SKM_C335019110710.exe

  • Size

    605KB

  • Sample

    231014-b1pnbsbh77

  • MD5

    04cd2040b4d43189f645f8c6ebb5bb4e

  • SHA1

    76d75c9a14448f60dcd9df95eb83c3ddad7a8b28

  • SHA256

    5d200010b1e304c628c669df531476f099b0ca944a1c52e5025f6fc1af16ad1b

  • SHA512

    ea249f0d6c52f0802d6ddf164cf5a51de10a2ad170ca1ac389fdacf6c99fc75ac209b5a7064f41c1b9f4e651934c53713a85b2aba857b394be10d04e4ca3cc11

  • SSDEEP

    12288:Kv+j8FwLm/4DRp5gvU1M9JUbMkUdHF6pyrZySKbxDPrD+2Sk8gIp:Kmj8F6TtZ1uvtl6pMVKZrD+2L8j

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SKM_C335019110710.exe

    • Size

      605KB

    • MD5

      04cd2040b4d43189f645f8c6ebb5bb4e

    • SHA1

      76d75c9a14448f60dcd9df95eb83c3ddad7a8b28

    • SHA256

      5d200010b1e304c628c669df531476f099b0ca944a1c52e5025f6fc1af16ad1b

    • SHA512

      ea249f0d6c52f0802d6ddf164cf5a51de10a2ad170ca1ac389fdacf6c99fc75ac209b5a7064f41c1b9f4e651934c53713a85b2aba857b394be10d04e4ca3cc11

    • SSDEEP

      12288:Kv+j8FwLm/4DRp5gvU1M9JUbMkUdHF6pyrZySKbxDPrD+2Sk8gIp:Kmj8F6TtZ1uvtl6pMVKZrD+2L8j

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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