General

  • Target

    e8776bb428aaae87d950fcd824716adf60d688b0ecff6c38a621fd3a631f15fc

  • Size

    2.1MB

  • Sample

    240521-sc1jcshg79

  • MD5

    a4276accbbed07488df8c5aea711dcde

  • SHA1

    392d232942a64d0f9e74cf10d26daa0f25d792d5

  • SHA256

    e8776bb428aaae87d950fcd824716adf60d688b0ecff6c38a621fd3a631f15fc

  • SHA512

    e17dd2fa944bf2739d60ed2d863b9f99656f04d535f9b6a90eaf02029ff45f9f5b3e734f11cda09ae743450940ca2efc17b21166ac124f781d4a7f23b5ca4c43

  • SSDEEP

    49152:N6uDuaS9refe4JtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9b4tIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      e8776bb428aaae87d950fcd824716adf60d688b0ecff6c38a621fd3a631f15fc

    • Size

      2.1MB

    • MD5

      a4276accbbed07488df8c5aea711dcde

    • SHA1

      392d232942a64d0f9e74cf10d26daa0f25d792d5

    • SHA256

      e8776bb428aaae87d950fcd824716adf60d688b0ecff6c38a621fd3a631f15fc

    • SHA512

      e17dd2fa944bf2739d60ed2d863b9f99656f04d535f9b6a90eaf02029ff45f9f5b3e734f11cda09ae743450940ca2efc17b21166ac124f781d4a7f23b5ca4c43

    • SSDEEP

      49152:N6uDuaS9refe4JtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9b4tIuoITsdZ

    • 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

    • Loads dropped DLL

    • 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