General

  • Target

    9cab48c42a443f01761dc30a3248c8ec757acd4df407df991ec2fedd70bba2d8

  • Size

    414KB

  • Sample

    220521-cxj44sefc4

  • MD5

    0745c61b73a7b3bfc7125b2085eda9b2

  • SHA1

    8872bf4c881d4da755e9478a749523088207e7d8

  • SHA256

    9cab48c42a443f01761dc30a3248c8ec757acd4df407df991ec2fedd70bba2d8

  • SHA512

    bcd4e316b62541f05a23075822ea64906fd4dd2f6a12088f2217c73edbbe12a31015d4d3effca6e9b5ee1c7feb7e812a7d2341fa9b0c78840862523107f61995

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kroskofile

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kroskofile

Targets

    • Target

      Facturas Pagadas al Vencimiento.exe

    • Size

      512KB

    • MD5

      d1c78423165fbff2c47ffa3d31680456

    • SHA1

      b41b78454e0441df4a3a87f62a896e0133d46063

    • SHA256

      ac979891a231a3af79a31a52663f77fe151bbbddee9b13750ea02e82f6aefd40

    • SHA512

      27615dfd230a1ff47a8ebe9541fc886885178e5725d8a7b66f3169562cb99c88fb4076384761f9ef6f0d3f78bf4332cd8c66907efe3fc722eaf4a878e88adde9

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks