General

  • Target

    a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0

  • Size

    1.8MB

  • Sample

    240603-l3eagsag9v

  • MD5

    83af3d75d0648a3cee7efa84b052d8c6

  • SHA1

    d5709548a33751b7b1496e40bd97eef3fd5cd51e

  • SHA256

    a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0

  • SHA512

    9088090e1ce3603ebcc6dd9c6a79c7cf74afa087706f894888266ebad524267a7dd539d2cf5717691bb33e41360fe53368757dc48a3d9debe54c64e6d05043e5

  • SSDEEP

    24576:W7YfUB7F1931tb7YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb7Ya8aesY3Ot4N7G/

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

      a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0

    • Size

      1.8MB

    • MD5

      83af3d75d0648a3cee7efa84b052d8c6

    • SHA1

      d5709548a33751b7b1496e40bd97eef3fd5cd51e

    • SHA256

      a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0

    • SHA512

      9088090e1ce3603ebcc6dd9c6a79c7cf74afa087706f894888266ebad524267a7dd539d2cf5717691bb33e41360fe53368757dc48a3d9debe54c64e6d05043e5

    • SSDEEP

      24576:W7YfUB7F1931tb7YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb7Ya8aesY3Ot4N7G/

    • 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