General

  • Target

    1cd747be5f3d8ff13d1eed13aaef92997497912479fcfede5898425bc34cba82

  • Size

    2.1MB

  • Sample

    240522-bq3r7sga5s

  • MD5

    84bf44fef9cc04cdb5af55681c5823e2

  • SHA1

    533d9c14601b17eb128c95a0c77d83a09c9e3e98

  • SHA256

    1cd747be5f3d8ff13d1eed13aaef92997497912479fcfede5898425bc34cba82

  • SHA512

    2a9f373e920f715a312ba958439a8cd2634823e3c9bb6bc322f8b6a8813cd1fd00617fbc289f2bebcf2d9bf4dc7b22e49fb0c3bc00cba84a97aa246f0aeb6cf2

  • SSDEEP

    49152:N6uDuaS9refygJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9HgtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      1cd747be5f3d8ff13d1eed13aaef92997497912479fcfede5898425bc34cba82

    • Size

      2.1MB

    • MD5

      84bf44fef9cc04cdb5af55681c5823e2

    • SHA1

      533d9c14601b17eb128c95a0c77d83a09c9e3e98

    • SHA256

      1cd747be5f3d8ff13d1eed13aaef92997497912479fcfede5898425bc34cba82

    • SHA512

      2a9f373e920f715a312ba958439a8cd2634823e3c9bb6bc322f8b6a8813cd1fd00617fbc289f2bebcf2d9bf4dc7b22e49fb0c3bc00cba84a97aa246f0aeb6cf2

    • SSDEEP

      49152:N6uDuaS9refygJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9HgtIuoITsdZ

    • 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