General

  • Target

    2569719f10716037055dcfd1881afbe2f02a2683a4f93aea3e66319abc9c51a6

  • Size

    1KB

  • Sample

    231205-c2afgagg9z

  • MD5

    5a386046ab5890a19a7960fa89039bb5

  • SHA1

    a0f02f841aeeac4a3642180769bffcbe840f0d55

  • SHA256

    2569719f10716037055dcfd1881afbe2f02a2683a4f93aea3e66319abc9c51a6

  • SHA512

    1be349998ac8d79ba279d561c0fca859a3568729b5c06dfa345b71d0359ec1c0afb553a878e4484a546842962a5744a995b86162db5ff74b9b0163197b6c562d

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6184846740:AAFy48QnJEpbqT9DY_xx392kz1tH5_khlWo/

Targets

    • Target

      2569719f10716037055dcfd1881afbe2f02a2683a4f93aea3e66319abc9c51a6

    • Size

      1KB

    • MD5

      5a386046ab5890a19a7960fa89039bb5

    • SHA1

      a0f02f841aeeac4a3642180769bffcbe840f0d55

    • SHA256

      2569719f10716037055dcfd1881afbe2f02a2683a4f93aea3e66319abc9c51a6

    • SHA512

      1be349998ac8d79ba279d561c0fca859a3568729b5c06dfa345b71d0359ec1c0afb553a878e4484a546842962a5744a995b86162db5ff74b9b0163197b6c562d

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks