General

  • Target

    2bc86c01a656f0506a5ee92d1dffbc9af34fe774e2699a9ce61dfb55d3b4ce4b

  • Size

    2.1MB

  • Sample

    240522-ddwt8saa86

  • MD5

    37d072b6df782b0cdbb602eece74467b

  • SHA1

    a9505e3cbce279df518113570f6859009bde5b91

  • SHA256

    2bc86c01a656f0506a5ee92d1dffbc9af34fe774e2699a9ce61dfb55d3b4ce4b

  • SHA512

    6f5f0705000b7459872a43736b8eaf239a5e4ea534006264b337921f96c907f912319e8a173df65649870172eca34e39bb7788554372a9edf6ff878a997808ae

  • SSDEEP

    49152:N6uDuaS9ref2gJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9rgtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      2bc86c01a656f0506a5ee92d1dffbc9af34fe774e2699a9ce61dfb55d3b4ce4b

    • Size

      2.1MB

    • MD5

      37d072b6df782b0cdbb602eece74467b

    • SHA1

      a9505e3cbce279df518113570f6859009bde5b91

    • SHA256

      2bc86c01a656f0506a5ee92d1dffbc9af34fe774e2699a9ce61dfb55d3b4ce4b

    • SHA512

      6f5f0705000b7459872a43736b8eaf239a5e4ea534006264b337921f96c907f912319e8a173df65649870172eca34e39bb7788554372a9edf6ff878a997808ae

    • SSDEEP

      49152:N6uDuaS9ref2gJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9rgtIuoITsdZ

    • 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