General

  • Target

    a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

  • Size

    2.1MB

  • Sample

    240522-d4kvnaag33

  • MD5

    d63c7ff0088348f29d4423f79497e61c

  • SHA1

    ad18601c2b032b87bac73ec25cdfd51402ef73e6

  • SHA256

    a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

  • SHA512

    16952b177d0cc721b66c1ffe087ab1c3b3f8fa016fd3bbd051441ebb1ab85247fdd3ef86f882579d5a311c738b71008091927f5abf4b09b7cffe14b8ef58f7b4

  • SSDEEP

    49152:N6uDuaS9refmAJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9jAtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

    • Size

      2.1MB

    • MD5

      d63c7ff0088348f29d4423f79497e61c

    • SHA1

      ad18601c2b032b87bac73ec25cdfd51402ef73e6

    • SHA256

      a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

    • SHA512

      16952b177d0cc721b66c1ffe087ab1c3b3f8fa016fd3bbd051441ebb1ab85247fdd3ef86f882579d5a311c738b71008091927f5abf4b09b7cffe14b8ef58f7b4

    • SSDEEP

      49152:N6uDuaS9refmAJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9jAtIuoITsdZ

    • 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