General

  • Target

    f2b03fbb57c2be2fe57a6b3baa9ba336ca29351ee4605a837ba90b3d9756ebac

  • Size

    2.0MB

  • Sample

    240522-ts5npagh83

  • MD5

    a8c3fbd09fa684d3995460af57ba42f2

  • SHA1

    935f0dc5557f22340582ecdd5c090e097d38822b

  • SHA256

    f2b03fbb57c2be2fe57a6b3baa9ba336ca29351ee4605a837ba90b3d9756ebac

  • SHA512

    6dea9b579a45440b0e0cc8f2305c3b70f3d3a4d7b7c3e564ec9e02e3f7e75992dfc0c0ea5b8ee4386d385a9beb3d1ba7dcc79c8103d7b4e9c4dcecd0940413b0

  • SSDEEP

    49152:7QzHt472DiJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtYtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      f2b03fbb57c2be2fe57a6b3baa9ba336ca29351ee4605a837ba90b3d9756ebac

    • Size

      2.0MB

    • MD5

      a8c3fbd09fa684d3995460af57ba42f2

    • SHA1

      935f0dc5557f22340582ecdd5c090e097d38822b

    • SHA256

      f2b03fbb57c2be2fe57a6b3baa9ba336ca29351ee4605a837ba90b3d9756ebac

    • SHA512

      6dea9b579a45440b0e0cc8f2305c3b70f3d3a4d7b7c3e564ec9e02e3f7e75992dfc0c0ea5b8ee4386d385a9beb3d1ba7dcc79c8103d7b4e9c4dcecd0940413b0

    • SSDEEP

      49152:7QzHt472DiJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtYtIuoITsdZ

    • 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