General

  • Target

    188586fc32c6ce1fa2875913d6f4b38a33e1af87fa55c2fee05b8ca5698ba9af

  • Size

    2.0MB

  • Sample

    240522-yvx4vaef5t

  • MD5

    e003c7253e44890a674e49005772e747

  • SHA1

    0680969531cac5e6bde0602b2bd5cc44239ed143

  • SHA256

    188586fc32c6ce1fa2875913d6f4b38a33e1af87fa55c2fee05b8ca5698ba9af

  • SHA512

    d1e817db802faa8ea12d22fd15d8f86c21ecbb64d15f85d089f077bb4db5445600598f1092bbc0235775cfbd52757e29ec55bc8f678dcb7ac4f492ab5ef928c2

  • SSDEEP

    49152:7QzHt472D/JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtBtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      188586fc32c6ce1fa2875913d6f4b38a33e1af87fa55c2fee05b8ca5698ba9af

    • Size

      2.0MB

    • MD5

      e003c7253e44890a674e49005772e747

    • SHA1

      0680969531cac5e6bde0602b2bd5cc44239ed143

    • SHA256

      188586fc32c6ce1fa2875913d6f4b38a33e1af87fa55c2fee05b8ca5698ba9af

    • SHA512

      d1e817db802faa8ea12d22fd15d8f86c21ecbb64d15f85d089f077bb4db5445600598f1092bbc0235775cfbd52757e29ec55bc8f678dcb7ac4f492ab5ef928c2

    • SSDEEP

      49152:7QzHt472D/JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtBtIuoITsdZ

    • 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