General

  • Target

    TENDER #2023 12.exe

  • Size

    660KB

  • Sample

    231208-l4hdjaae55

  • MD5

    af1312402549634438799c9929c6b6b0

  • SHA1

    8bf9df7090f6d82950bc95222ff5dda97a83d522

  • SHA256

    f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21

  • SHA512

    0d50c8e64022ae5b3e7fcdb014ff23dd01877a5d7073a07869745b4fd3546aaede4bd0e76518e9d9555a7f0a7bccc3084485522ebd8ede1a36d6656f20bccf7a

  • SSDEEP

    12288:qhkZ5lntswim4c4wxLVEXir8gtx+wdUd++Wnf6D+:qK/Vim4ZJO+wdk+W+

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dayanbiotech.ir
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Amir49758

Targets

    • Target

      TENDER #2023 12.exe

    • Size

      660KB

    • MD5

      af1312402549634438799c9929c6b6b0

    • SHA1

      8bf9df7090f6d82950bc95222ff5dda97a83d522

    • SHA256

      f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21

    • SHA512

      0d50c8e64022ae5b3e7fcdb014ff23dd01877a5d7073a07869745b4fd3546aaede4bd0e76518e9d9555a7f0a7bccc3084485522ebd8ede1a36d6656f20bccf7a

    • SSDEEP

      12288:qhkZ5lntswim4c4wxLVEXir8gtx+wdUd++Wnf6D+:qK/Vim4ZJO+wdk+W+

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks