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General

  • Target

    BANK SLIP AND INVOICE F8200336555.exe

  • Size

    641KB

  • Sample

    240123-j4ypeahdc3

  • MD5

    6a39ce8481e9d2d1a51bb14cd011e2c5

  • SHA1

    5c4325af5c6ed70f561acecba5372ca8a356a5e6

  • SHA256

    454c223132175b8b9660b5567e08ccc29bd7c9f101f7104c36efbf6893c90015

  • SHA512

    081239d69897cd721bee0973f4e711fe521b9fc5c009981d9da63e3a958dfdb8f61f66b5c1f98fb86a3a14c0843ba519752746d699d216c29167772fedc80388

  • SSDEEP

    12288:FcojLBJI38szx0XIZVdl57pF6vhWSoUBhmI2XkRu9TjHPS/0RsBPZmJ:XjruPWIXr1pFohvZ+Cu9C/0KRQ

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.issltd.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iss123

Targets

    • Target

      BANK SLIP AND INVOICE F8200336555.exe

    • Size

      641KB

    • MD5

      6a39ce8481e9d2d1a51bb14cd011e2c5

    • SHA1

      5c4325af5c6ed70f561acecba5372ca8a356a5e6

    • SHA256

      454c223132175b8b9660b5567e08ccc29bd7c9f101f7104c36efbf6893c90015

    • SHA512

      081239d69897cd721bee0973f4e711fe521b9fc5c009981d9da63e3a958dfdb8f61f66b5c1f98fb86a3a14c0843ba519752746d699d216c29167772fedc80388

    • SSDEEP

      12288:FcojLBJI38szx0XIZVdl57pF6vhWSoUBhmI2XkRu9TjHPS/0RsBPZmJ:XjruPWIXr1pFohvZ+Cu9C/0KRQ

    • AgentTesla

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

    • 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.

    • 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