General

  • Target

    73894a44f50d540cf14e33e708771ddd1a83eb63ef9946f119af55a7aea73b60

  • Size

    1.1MB

  • Sample

    250120-avxajssqbt

  • MD5

    c02fafba914752805e5600ff9bb7a95f

  • SHA1

    9494193b4598da774e76fce5ee59e3aa714dc1e2

  • SHA256

    73894a44f50d540cf14e33e708771ddd1a83eb63ef9946f119af55a7aea73b60

  • SHA512

    ba27a831ee96dff1c6ac3a937de89b1604184ebc14a74b202f40d93442c31b649af4cfca5767cdcca0eeb206a9a52f050b534b04ba2eedec4f1241e94b430d2d

  • SSDEEP

    24576:0O9Cm66XrzjnnpCp2lyk1CJ8+FrFIveDmpJ1+4YP4uCuv:0azDpRA5GmABYPJCW

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll280@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll280@@

Targets

    • Target

      Checklist Job no.1333/Checklist Job no.exe

    • Size

      1.1MB

    • MD5

      929b131dc33f70b2b765d8f2572a2801

    • SHA1

      9d7168e1af408a364e5093214a89d3524c8e358e

    • SHA256

      e3c29265116b650933ce33d627e11fd411c76c12d506864aeb4d352f34b3f27e

    • SHA512

      fc68db6a62dfe940acf3e03ae94e0a0bf882d1256479cd4a7e0091f8c50a3da3f0149a6f5291c84252ee414160abe4195c5167fb2b00923f642dcd4e2fef3d3f

    • SSDEEP

      24576:QcAag3fZjJnpcpQlyQ1cfW+15F2veZMpD1+2mv40CuD:QdBP7ADwmOVmvRC

    • AgentTesla

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

    • Agenttesla family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • 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