General

  • Target

    5cf1530581399d2d4a4b879d1c581a53d9c1b2328d80a191b1048cc5e80bcd7d

  • Size

    2.4MB

  • Sample

    240607-aal9vaea6v

  • MD5

    eb2c989a1d3b28269557d5cbb2dd08c4

  • SHA1

    026e7bda6d580b588ac7db412a9f7f86cd4fc5da

  • SHA256

    5cf1530581399d2d4a4b879d1c581a53d9c1b2328d80a191b1048cc5e80bcd7d

  • SHA512

    5230b13312b48f423c56c51b69f08bd88a86c96102655862d7103db2b54c550d0127ab1732b256f9079eb288cce5c151573500ddc40eeba2ac154d7f82c7b3c2

  • SSDEEP

    49152:wQc81KnB/a/hNT/d5Ya8aesY3Ot4N7G/:wDta/hNT/d5n0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      5cf1530581399d2d4a4b879d1c581a53d9c1b2328d80a191b1048cc5e80bcd7d

    • Size

      2.4MB

    • MD5

      eb2c989a1d3b28269557d5cbb2dd08c4

    • SHA1

      026e7bda6d580b588ac7db412a9f7f86cd4fc5da

    • SHA256

      5cf1530581399d2d4a4b879d1c581a53d9c1b2328d80a191b1048cc5e80bcd7d

    • SHA512

      5230b13312b48f423c56c51b69f08bd88a86c96102655862d7103db2b54c550d0127ab1732b256f9079eb288cce5c151573500ddc40eeba2ac154d7f82c7b3c2

    • SSDEEP

      49152:wQc81KnB/a/hNT/d5Ya8aesY3Ot4N7G/:wDta/hNT/d5n0etD/

    • 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