General

  • Target

    2325e1c14527187f7fe5e1aee8cacfc1f5a6a21dbc4dcc75f10fc5c00a90592b

  • Size

    2.4MB

  • Sample

    240603-fsk3dsce5z

  • MD5

    f70b97f7f63d8111bfa27714b8470f59

  • SHA1

    9311d0a0e32f3d1ceb2aed4106bafd2cf7c139fc

  • SHA256

    2325e1c14527187f7fe5e1aee8cacfc1f5a6a21dbc4dcc75f10fc5c00a90592b

  • SHA512

    979840cea3eea6d348533de309551b27e18bcb4d4d0a35f38ace033137e4b7db1817ad8288ebb2a35b3b4408a24bc074644dbabb9a98ae9cfa80fa1f4ef4cb23

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

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

      2325e1c14527187f7fe5e1aee8cacfc1f5a6a21dbc4dcc75f10fc5c00a90592b

    • Size

      2.4MB

    • MD5

      f70b97f7f63d8111bfa27714b8470f59

    • SHA1

      9311d0a0e32f3d1ceb2aed4106bafd2cf7c139fc

    • SHA256

      2325e1c14527187f7fe5e1aee8cacfc1f5a6a21dbc4dcc75f10fc5c00a90592b

    • SHA512

      979840cea3eea6d348533de309551b27e18bcb4d4d0a35f38ace033137e4b7db1817ad8288ebb2a35b3b4408a24bc074644dbabb9a98ae9cfa80fa1f4ef4cb23

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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