General

  • Target

    17412df5c42f3bb7ccd3c251db4dd321c7cc42263522f44dc09929d6f6c30f32

  • Size

    2.4MB

  • Sample

    240603-gwmwtsec3s

  • MD5

    dee53246877f77a5ff20ed5fecdb5ce7

  • SHA1

    75f713ef1f9e6f1cfc271e430994686d05e34156

  • SHA256

    17412df5c42f3bb7ccd3c251db4dd321c7cc42263522f44dc09929d6f6c30f32

  • SHA512

    9641961be6fbb0d04e3acdfd890995321762906c55ec68edcd3bf6a96cb8bc83830d5d6ba37e0b277bc8b310f8ae1e3477d7c1d054f9c22b64c167ee746186dc

  • 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

      17412df5c42f3bb7ccd3c251db4dd321c7cc42263522f44dc09929d6f6c30f32

    • Size

      2.4MB

    • MD5

      dee53246877f77a5ff20ed5fecdb5ce7

    • SHA1

      75f713ef1f9e6f1cfc271e430994686d05e34156

    • SHA256

      17412df5c42f3bb7ccd3c251db4dd321c7cc42263522f44dc09929d6f6c30f32

    • SHA512

      9641961be6fbb0d04e3acdfd890995321762906c55ec68edcd3bf6a96cb8bc83830d5d6ba37e0b277bc8b310f8ae1e3477d7c1d054f9c22b64c167ee746186dc

    • 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

    • 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