General

  • Target

    PcOptimizer.exe

  • Size

    1.6MB

  • Sample

    240118-d6djcscabp

  • MD5

    31578327d2ce62a033df100eb8e5db21

  • SHA1

    abbf90eb2b2064181f9d2e2b3839d32b8608607f

  • SHA256

    ccb9b6b18a926cb5429ce957478416a5bbe19b9124521d1974454d0ff0fde17e

  • SHA512

    6980ee171e1614414bfd3b2314adeab2df00a1447449ddf7f41ea9328ae4dc99cdd3850541f22a6ba080d40e84e66fb4b085eb8e37aa187d10e7af4693e0cdc8

  • SSDEEP

    49152:JkTq24GjdGSiqkqXfd+/9AqYanieKdsS:J1EjdGSiqkqXf0FLYW

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1197035124232028301/sHUczEA6_tw3a11veY_04e7UYZLqHfIVPsGIZS0Vw4ap6GVt8E0gj0TGwqKyyPopNMrA

Targets

    • Target

      PcOptimizer.exe

    • Size

      1.6MB

    • MD5

      31578327d2ce62a033df100eb8e5db21

    • SHA1

      abbf90eb2b2064181f9d2e2b3839d32b8608607f

    • SHA256

      ccb9b6b18a926cb5429ce957478416a5bbe19b9124521d1974454d0ff0fde17e

    • SHA512

      6980ee171e1614414bfd3b2314adeab2df00a1447449ddf7f41ea9328ae4dc99cdd3850541f22a6ba080d40e84e66fb4b085eb8e37aa187d10e7af4693e0cdc8

    • SSDEEP

      49152:JkTq24GjdGSiqkqXfd+/9AqYanieKdsS:J1EjdGSiqkqXf0FLYW

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks