General

  • Target

    3a220c143fc748d968281f1d0549fcdda428a41ae5f672bd1a72592e2087a445

  • Size

    2.9MB

  • Sample

    240606-vh84ssgh21

  • MD5

    183a21f58b90c3d1baed39c80234c3eb

  • SHA1

    e5f4e397be5196f981c814d900d455b3776fe57d

  • SHA256

    3a220c143fc748d968281f1d0549fcdda428a41ae5f672bd1a72592e2087a445

  • SHA512

    1f91dfe0bda4c70e59c5f5ffc1c4aeef0fe7ddcc909529d22a82e1eb773a7fe7c2d418f55125cfafcb8dd987d1bab9def9ae0a880b0b23e17e3ae7e9dbddb04c

  • SSDEEP

    49152:rtpSxptE1AKnCVMS4cdR/z4+UVi4e9Crn:r/4nE1dCqKxx4e9Cb

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      3a220c143fc748d968281f1d0549fcdda428a41ae5f672bd1a72592e2087a445

    • Size

      2.9MB

    • MD5

      183a21f58b90c3d1baed39c80234c3eb

    • SHA1

      e5f4e397be5196f981c814d900d455b3776fe57d

    • SHA256

      3a220c143fc748d968281f1d0549fcdda428a41ae5f672bd1a72592e2087a445

    • SHA512

      1f91dfe0bda4c70e59c5f5ffc1c4aeef0fe7ddcc909529d22a82e1eb773a7fe7c2d418f55125cfafcb8dd987d1bab9def9ae0a880b0b23e17e3ae7e9dbddb04c

    • SSDEEP

      49152:rtpSxptE1AKnCVMS4cdR/z4+UVi4e9Crn:r/4nE1dCqKxx4e9Cb

    • 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