General

  • Target

    f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301

  • Size

    1.8MB

  • Sample

    240604-b93ljsaa33

  • MD5

    1a73b82b84b04c7ca965583469b68c19

  • SHA1

    c5ed48c776a2f40b1b0e3212ba0019be62178bae

  • SHA256

    f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301

  • SHA512

    0f9519133b42e25ad9e7844c12879936554ff8e1b4dd63cf4cad140fbc0dffcbbb56df5830e315b64ad3e34c5f217c8c7584097b8c0b2a1ce26d0285242a1716

  • SSDEEP

    24576:W7YfUB7F1931tbbYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbbYa8aesY3Ot4N7G/

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

      f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301

    • Size

      1.8MB

    • MD5

      1a73b82b84b04c7ca965583469b68c19

    • SHA1

      c5ed48c776a2f40b1b0e3212ba0019be62178bae

    • SHA256

      f1f30ed730083ddebcb78753794c24eb72332a5878657064035b914b150a7301

    • SHA512

      0f9519133b42e25ad9e7844c12879936554ff8e1b4dd63cf4cad140fbc0dffcbbb56df5830e315b64ad3e34c5f217c8c7584097b8c0b2a1ce26d0285242a1716

    • SSDEEP

      24576:W7YfUB7F1931tbbYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbbYa8aesY3Ot4N7G/

    • 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