General

  • Target

    e58b6b1cb286c8500ed6b38ab15bfcc9820153210a5b761b43c656c95d94fc11

  • Size

    2.4MB

  • Sample

    240603-g554rsfg34

  • MD5

    2cc7737def833428357b0a75ec67d66e

  • SHA1

    7b2c40e178b7b446eafebdb0b33468cc72e45c2b

  • SHA256

    e58b6b1cb286c8500ed6b38ab15bfcc9820153210a5b761b43c656c95d94fc11

  • SHA512

    a5297ec186265e8dba8db34a8da5d422232aa57fd10f68866d5b0e6888ea6464795e26967c978cca25eac9219813efda03d1d3442657b2444289b4ecddf1b2df

  • SSDEEP

    49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

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

      e58b6b1cb286c8500ed6b38ab15bfcc9820153210a5b761b43c656c95d94fc11

    • Size

      2.4MB

    • MD5

      2cc7737def833428357b0a75ec67d66e

    • SHA1

      7b2c40e178b7b446eafebdb0b33468cc72e45c2b

    • SHA256

      e58b6b1cb286c8500ed6b38ab15bfcc9820153210a5b761b43c656c95d94fc11

    • SHA512

      a5297ec186265e8dba8db34a8da5d422232aa57fd10f68866d5b0e6888ea6464795e26967c978cca25eac9219813efda03d1d3442657b2444289b4ecddf1b2df

    • SSDEEP

      49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

    • 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