General

  • Target

    3d78a99c4ca146da6281b4d37bae957e17b23c1439b72daac8584df46179bbfe

  • Size

    2.1MB

  • Sample

    240521-s9em6aah45

  • MD5

    d2f26faa6e51839385b5b7bb9c8bdf94

  • SHA1

    e35b9e92219faae2f10c6a67c5c450f1d0bf8a75

  • SHA256

    3d78a99c4ca146da6281b4d37bae957e17b23c1439b72daac8584df46179bbfe

  • SHA512

    34d85b01650375b1a1bfad518cd1ce920cf9e4b773f01381a5a493a1166a64fb944be3afa7a2fbee79e83803f9f3e9aa64b378f16949ca94c6fab7d537339d99

  • SSDEEP

    49152:N6uDuaS9refuIJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9TItIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      3d78a99c4ca146da6281b4d37bae957e17b23c1439b72daac8584df46179bbfe

    • Size

      2.1MB

    • MD5

      d2f26faa6e51839385b5b7bb9c8bdf94

    • SHA1

      e35b9e92219faae2f10c6a67c5c450f1d0bf8a75

    • SHA256

      3d78a99c4ca146da6281b4d37bae957e17b23c1439b72daac8584df46179bbfe

    • SHA512

      34d85b01650375b1a1bfad518cd1ce920cf9e4b773f01381a5a493a1166a64fb944be3afa7a2fbee79e83803f9f3e9aa64b378f16949ca94c6fab7d537339d99

    • SSDEEP

      49152:N6uDuaS9refuIJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9TItIuoITsdZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks