General

  • Target

    841d5dcb87349d628a39b650213bcb6f5a48021bf09393ca83424728a03175b0

  • Size

    2.1MB

  • Sample

    240521-zf13mahg7z

  • MD5

    4512b49de7065e54de8016d235af2e63

  • SHA1

    52d665456a7522b1b921a97be558f5c9bdb425db

  • SHA256

    841d5dcb87349d628a39b650213bcb6f5a48021bf09393ca83424728a03175b0

  • SHA512

    07e34a2781d40c0540a456a7f203ff0e328eac7174303c57f6e89216bd035dc6caf96667c0ce239d7a6410e833ef571f25ea878c9f6b037cc5c658aeee05cdd7

  • SSDEEP

    49152:N6uDuaS9ref2QJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9DQtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      841d5dcb87349d628a39b650213bcb6f5a48021bf09393ca83424728a03175b0

    • Size

      2.1MB

    • MD5

      4512b49de7065e54de8016d235af2e63

    • SHA1

      52d665456a7522b1b921a97be558f5c9bdb425db

    • SHA256

      841d5dcb87349d628a39b650213bcb6f5a48021bf09393ca83424728a03175b0

    • SHA512

      07e34a2781d40c0540a456a7f203ff0e328eac7174303c57f6e89216bd035dc6caf96667c0ce239d7a6410e833ef571f25ea878c9f6b037cc5c658aeee05cdd7

    • SSDEEP

      49152:N6uDuaS9ref2QJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9DQtIuoITsdZ

    • 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