General

  • Target

    38b6057262584598b159f66d64a014cb69ca7089eb5f9d179ba75bd0f564e677

  • Size

    2.4MB

  • Sample

    240603-fv56cadh54

  • MD5

    de019164f25c37eac5f5800a08840527

  • SHA1

    df4f5190b9fcfd501cd36676ec48f08d48196d53

  • SHA256

    38b6057262584598b159f66d64a014cb69ca7089eb5f9d179ba75bd0f564e677

  • SHA512

    290b81c05778ade7160fb581bb00665995a6556d16665df39374a31a2d87fb0ba8ea96860164779a9c93da86dac60113bee2ff112bf6bd0d250b34735a7829c2

  • SSDEEP

    49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/

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

      38b6057262584598b159f66d64a014cb69ca7089eb5f9d179ba75bd0f564e677

    • Size

      2.4MB

    • MD5

      de019164f25c37eac5f5800a08840527

    • SHA1

      df4f5190b9fcfd501cd36676ec48f08d48196d53

    • SHA256

      38b6057262584598b159f66d64a014cb69ca7089eb5f9d179ba75bd0f564e677

    • SHA512

      290b81c05778ade7160fb581bb00665995a6556d16665df39374a31a2d87fb0ba8ea96860164779a9c93da86dac60113bee2ff112bf6bd0d250b34735a7829c2

    • SSDEEP

      49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/

    • 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