General

  • Target

    MTQ_06341_0056036_016.exe

  • Size

    166KB

  • Sample

    240611-lsrstsshrq

  • MD5

    47267596e9278466493d0766e0bc58d5

  • SHA1

    69152978f99129c76dd45a99dad857732d658cc1

  • SHA256

    2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb

  • SHA512

    949339b509895f0259c379b1aa0342f94db88814112232eccd901249baf92c7d9a605f0a18a1473ac49d34d311ae1d133bdba28d8d376ac46d0ab172b818e098

  • SSDEEP

    768:5ypDwT1ZBRerxpg4pXDOTJznXiBEKClD8:opDwT1ZCrnDpXDOZnEEKClo

Malware Config

Extracted

Family

purecrypter

C2

http://103.20.235.174/min/Bponzkhw.wav

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      MTQ_06341_0056036_016.exe

    • Size

      166KB

    • MD5

      47267596e9278466493d0766e0bc58d5

    • SHA1

      69152978f99129c76dd45a99dad857732d658cc1

    • SHA256

      2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb

    • SHA512

      949339b509895f0259c379b1aa0342f94db88814112232eccd901249baf92c7d9a605f0a18a1473ac49d34d311ae1d133bdba28d8d376ac46d0ab172b818e098

    • SSDEEP

      768:5ypDwT1ZBRerxpg4pXDOTJznXiBEKClD8:opDwT1ZCrnDpXDOZnEEKClo

    • AgentTesla

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

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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