General

  • Target

    Jykpxb.bat

  • Size

    276KB

  • Sample

    240426-r13sysee5x

  • MD5

    2c111f46d26f1352673ae6dc86a990fe

  • SHA1

    a523fdff3ae3672b0f815c8af3ef0b3982b841d6

  • SHA256

    5f175835c666dba497ed962c90679fc4c61b84a021f68ebb900a0d5d5b660d32

  • SHA512

    6c4ff1a335d5b8671da3e3cc178bb5ae345e45c262617a58087e36260a346fb8ee699d9db057336ea412e11e2288e9ace76c741ee5c6fc18fb91e0206e51c7ff

  • SSDEEP

    6144:i4c7tvCwj2O9lT+TIvZCoJZP2xwrpuHeAFUhhmPhLkJRC:AKwRwkImzs/Mh2gJA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    proglass.com.sg
  • Port:
    587
  • Username:
    admin1@proglass.com.sg
  • Password:
    BillionPay$
  • Email To:
    administrator@proglass.com.sg

Targets

    • Target

      Jykpxb.bat

    • Size

      276KB

    • MD5

      2c111f46d26f1352673ae6dc86a990fe

    • SHA1

      a523fdff3ae3672b0f815c8af3ef0b3982b841d6

    • SHA256

      5f175835c666dba497ed962c90679fc4c61b84a021f68ebb900a0d5d5b660d32

    • SHA512

      6c4ff1a335d5b8671da3e3cc178bb5ae345e45c262617a58087e36260a346fb8ee699d9db057336ea412e11e2288e9ace76c741ee5c6fc18fb91e0206e51c7ff

    • SSDEEP

      6144:i4c7tvCwj2O9lT+TIvZCoJZP2xwrpuHeAFUhhmPhLkJRC:AKwRwkImzs/Mh2gJA

    • AgentTesla

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

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks