General

  • Target

    858b0abd681a08fb458e4b78121dc75938b7a725e3cc5f3f6f3a1cf6c05eb188

  • Size

    2.4MB

  • Sample

    240607-ajzxasec3v

  • MD5

    38469d123b9e4693f1488c8367cbb9cb

  • SHA1

    2dafde68754d02a31eccdc03b9a01ce85d007c09

  • SHA256

    858b0abd681a08fb458e4b78121dc75938b7a725e3cc5f3f6f3a1cf6c05eb188

  • SHA512

    d62cea57bebc7b8b337fd5900381100d98425789cbf0e945da99406efc5afd3a8b11b8e68383867add9053e185a38496d42f17515e867d35527e2ce43682cb75

  • SSDEEP

    49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

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

      858b0abd681a08fb458e4b78121dc75938b7a725e3cc5f3f6f3a1cf6c05eb188

    • Size

      2.4MB

    • MD5

      38469d123b9e4693f1488c8367cbb9cb

    • SHA1

      2dafde68754d02a31eccdc03b9a01ce85d007c09

    • SHA256

      858b0abd681a08fb458e4b78121dc75938b7a725e3cc5f3f6f3a1cf6c05eb188

    • SHA512

      d62cea57bebc7b8b337fd5900381100d98425789cbf0e945da99406efc5afd3a8b11b8e68383867add9053e185a38496d42f17515e867d35527e2ce43682cb75

    • SSDEEP

      49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

    • 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