General

  • Target

    c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21

  • Size

    25KB

  • Sample

    230224-q74s6abe93

  • MD5

    439c8eaf5105f874659e06ecca63e66b

  • SHA1

    f264db763cacbcbc6620353097b1cd6367d14afb

  • SHA256

    c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21

  • SHA512

    2cf9bb028b1d8ca1c321f9a809c6e1d0552992eefc2229661579edeaac8ef0d9926ff1e0a26d8962f6672a45be7bc7b2a86b8331a43a922418569b889853ac5a

  • SSDEEP

    96:1Nd/FIveD4XyrmRNb++DvI63LilNRZjHgnmXV/cfDj6hLGkZNiRB4e3T3e4KxJdv:bxFIqmA62lNTDcmXZCehLrZbxJX

Malware Config

Extracted

Family

purecrypter

C2

http://www.ugr.leszczynskie.net/galeria/Xcilfp.png

Targets

    • Target

      c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21

    • Size

      25KB

    • MD5

      439c8eaf5105f874659e06ecca63e66b

    • SHA1

      f264db763cacbcbc6620353097b1cd6367d14afb

    • SHA256

      c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21

    • SHA512

      2cf9bb028b1d8ca1c321f9a809c6e1d0552992eefc2229661579edeaac8ef0d9926ff1e0a26d8962f6672a45be7bc7b2a86b8331a43a922418569b889853ac5a

    • SSDEEP

      96:1Nd/FIveD4XyrmRNb++DvI63LilNRZjHgnmXV/cfDj6hLGkZNiRB4e3T3e4KxJdv:bxFIqmA62lNTDcmXZCehLrZbxJX

    • AgentTesla

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

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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 v6

Tasks