General

  • Target

    h4MtFt33PgSziWZ.exe

  • Size

    862KB

  • Sample

    230505-hxjq8sgg73

  • MD5

    36f53a5e1de291aede05e5a041fb6963

  • SHA1

    db2759c4e11ad37eb8d9d9c60ccead3711a6e11b

  • SHA256

    e94f95707bc1ee3c1516cce43846a594acf5a1024ae7a76cb34afe5639fe95b5

  • SHA512

    b09fc7e0fbf966ae0dc790886efeb77c5991fe685f1c5c5541066669ad821728038db83bcfd1926b812dfe2a3bc8c6b85f096a92fdf895962ecefc1801f68317

  • SSDEEP

    12288:yq11Kd+cE96qq0RfgyOL39ljnuqfllLiOUWZUpaNcI:PPKdFE96qqZylqfOGz

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6198912739:AAFWwPOzcAOeh_bttxtGKKR_RIR4wgbcmQU/

Targets

    • Target

      h4MtFt33PgSziWZ.exe

    • Size

      862KB

    • MD5

      36f53a5e1de291aede05e5a041fb6963

    • SHA1

      db2759c4e11ad37eb8d9d9c60ccead3711a6e11b

    • SHA256

      e94f95707bc1ee3c1516cce43846a594acf5a1024ae7a76cb34afe5639fe95b5

    • SHA512

      b09fc7e0fbf966ae0dc790886efeb77c5991fe685f1c5c5541066669ad821728038db83bcfd1926b812dfe2a3bc8c6b85f096a92fdf895962ecefc1801f68317

    • SSDEEP

      12288:yq11Kd+cE96qq0RfgyOL39ljnuqfllLiOUWZUpaNcI:PPKdFE96qqZylqfOGz

    • 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 v6

Tasks