General

  • Target

    782c3bb9ccc71a1660bfa7549a649457cd3d601ab817d5d0d1a006e84407b85b

  • Size

    1.2MB

  • Sample

    240612-cj4xcsydmd

  • MD5

    7f404f4050d77e891a059e8a293e085d

  • SHA1

    0649248010a9a22af95c0e46e83616f925f3b077

  • SHA256

    782c3bb9ccc71a1660bfa7549a649457cd3d601ab817d5d0d1a006e84407b85b

  • SHA512

    bf3758cfa5ec4c2564fb371e6d82a43304878828b866cdc02d749f84d5265be3b6080da0143254f1b06bd363b71caba5831bddbc0f4d0591585a12d719283b99

  • SSDEEP

    12288:IgSUrka1W50Dt/RtlieB6TxOL0w83/ImkT4bdxrVZ4PBiFeAUVABi+ksS:UfaQ50DljNNow83gkbTBSYUK/ksS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    oadc jzrw bmvr klnl

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      MSK872314.exe

    • Size

      630KB

    • MD5

      397c71ddf48527dc363407c2dc6382fd

    • SHA1

      8d309abbd3842e15778dad790e3bb36371060eab

    • SHA256

      fd2ed2817b36ad04fda64c952b1a38e9a4cee86a247d0a7e9dfea5bab81b2e82

    • SHA512

      a5b4bf00e115c99a2433ebf7f91ea7fc12e6c5a6f06d049d89b9027b29bba769ec51d3ace6a1671595d685db7e74e458cb75e39fe8c1abb9533ae19d0c308a46

    • SSDEEP

      12288:jgSUrka1W50Dt/RtlieB6TxOL0w83/ImkT4bdxrVZ4PBiFeAUVABi+ksSj:hfaQ50DljNNow83gkbTBSYUK/ksSj

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Loads dropped DLL

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks