General

  • Target

    72394358309fcb03e91ec8cc913fea4cce827ef07285bab654cac3c74a325246.exe

  • Size

    2.0MB

  • Sample

    240522-xr23ysdb59

  • MD5

    5faf666b3bca47725bf0d7fdd49a6f79

  • SHA1

    b8e2465ced83235c72e0d2b0d74174f689f27b6f

  • SHA256

    72394358309fcb03e91ec8cc913fea4cce827ef07285bab654cac3c74a325246

  • SHA512

    08c94244daad9a269528d20f02ed7db98e7003c74d74c4882eadef73b4202363d3e715ac36ba1c1f0fe8e9a3f6476da5e7c7955b4a6b13cbd647125abe00885d

  • SSDEEP

    49152:7QzHt472DUJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtKtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      72394358309fcb03e91ec8cc913fea4cce827ef07285bab654cac3c74a325246.exe

    • Size

      2.0MB

    • MD5

      5faf666b3bca47725bf0d7fdd49a6f79

    • SHA1

      b8e2465ced83235c72e0d2b0d74174f689f27b6f

    • SHA256

      72394358309fcb03e91ec8cc913fea4cce827ef07285bab654cac3c74a325246

    • SHA512

      08c94244daad9a269528d20f02ed7db98e7003c74d74c4882eadef73b4202363d3e715ac36ba1c1f0fe8e9a3f6476da5e7c7955b4a6b13cbd647125abe00885d

    • SSDEEP

      49152:7QzHt472DUJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtKtIuoITsdZ

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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