General

  • Target

    151213efe5438396a7f3b63972f03db2e52a619dfb99cdd985c9427ac1c09c80

  • Size

    2.1MB

  • Sample

    240522-b5jmwage6z

  • MD5

    07778b7f8dd9d0a2a74b4e8ed363b078

  • SHA1

    0643b2a56f2e58d886d0d75202cd954012f06937

  • SHA256

    151213efe5438396a7f3b63972f03db2e52a619dfb99cdd985c9427ac1c09c80

  • SHA512

    d92dd6d006ab3222b842693c3c69a6b999491109555f4fcf5686ac4f57808f379e1a0019c7c656fae5189f49f173b91069218f77e8f0ad49fad87a599e9380b1

  • SSDEEP

    49152:N6uDuaS9refeMJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9zMtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      151213efe5438396a7f3b63972f03db2e52a619dfb99cdd985c9427ac1c09c80

    • Size

      2.1MB

    • MD5

      07778b7f8dd9d0a2a74b4e8ed363b078

    • SHA1

      0643b2a56f2e58d886d0d75202cd954012f06937

    • SHA256

      151213efe5438396a7f3b63972f03db2e52a619dfb99cdd985c9427ac1c09c80

    • SHA512

      d92dd6d006ab3222b842693c3c69a6b999491109555f4fcf5686ac4f57808f379e1a0019c7c656fae5189f49f173b91069218f77e8f0ad49fad87a599e9380b1

    • SSDEEP

      49152:N6uDuaS9refeMJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9zMtIuoITsdZ

    • 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