General

  • Target

    Paid Invoice.exe

  • Size

    940KB

  • Sample

    200709-yaldr4wpen

  • MD5

    bde63b59d82e03cea80de443c6738c6f

  • SHA1

    34e77df4e37a23a8c45f9b9a62a938d756add173

  • SHA256

    b3bf1c568dfbb2a1af09b07eb0a7aff6e2d7addbf3c51e4c6850ebc96afd103e

  • SHA512

    f1e68b492747884786996bec97214fb4a126444dc4928803cecfa7f0a716fa29c822f76eeff41d7b7ca164cde4b24a70e45aecdf8c8b9ff1d1cabd3800b6850d

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blessing123

Targets

    • Target

      Paid Invoice.exe

    • Size

      940KB

    • MD5

      bde63b59d82e03cea80de443c6738c6f

    • SHA1

      34e77df4e37a23a8c45f9b9a62a938d756add173

    • SHA256

      b3bf1c568dfbb2a1af09b07eb0a7aff6e2d7addbf3c51e4c6850ebc96afd103e

    • SHA512

      f1e68b492747884786996bec97214fb4a126444dc4928803cecfa7f0a716fa29c822f76eeff41d7b7ca164cde4b24a70e45aecdf8c8b9ff1d1cabd3800b6850d

    • AgentTesla

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks