General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.14055.31447.exe.bin

  • Size

    722KB

  • Sample

    230501-yxxwvsac2x

  • MD5

    4eb6592b14426d668a528688c0c615ac

  • SHA1

    d9bc90927fd7b905aa565f0155acef13237cdce0

  • SHA256

    6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6

  • SHA512

    c82795e88b3b34b54b26a58713b094fb2debd7e13c3689d1b101d57175761036dd3960758ff940a0fc3912effe465a309d52b95408ed11dd455cd1249f2615d2

  • SSDEEP

    12288:AOaIsCGzr+7+kQa6W1yS5jjhckxXYqI4tk4fUlb/Xse2:TwW7+PxGt7ZJZK/Xse

Malware Config

Extracted

Family

agenttesla

C2

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

Targets

    • Target

      SecuriteInfo.com.Win32.RATX-gen.14055.31447.exe.bin

    • Size

      722KB

    • MD5

      4eb6592b14426d668a528688c0c615ac

    • SHA1

      d9bc90927fd7b905aa565f0155acef13237cdce0

    • SHA256

      6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6

    • SHA512

      c82795e88b3b34b54b26a58713b094fb2debd7e13c3689d1b101d57175761036dd3960758ff940a0fc3912effe465a309d52b95408ed11dd455cd1249f2615d2

    • SSDEEP

      12288:AOaIsCGzr+7+kQa6W1yS5jjhckxXYqI4tk4fUlb/Xse2:TwW7+PxGt7ZJZK/Xse

    • AgentTesla

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

    • Detects Redline Stealer samples

      This rule detects the presence of Redline Stealer samples based on their unique strings.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • 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