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General

  • Target

    125342391938a8fb66cc4b1eb71a29f8157de745ab6be7ede70f0bcdc8515934

  • Size

    1.6MB

  • Sample

    240611-r62sva1bpc

  • MD5

    562abe05e86fc779645d4059fa8f8865

  • SHA1

    eba1f7c67b6478867620d06224778f257ef23c10

  • SHA256

    125342391938a8fb66cc4b1eb71a29f8157de745ab6be7ede70f0bcdc8515934

  • SHA512

    c897e3b657edd0890aeb8f73a85fea9b838f2a7664c57eb3eabd80891653652b2bc9c21588593dae03accaf08d8f74817c0ef59763c12d8e69bcb66a604c3c90

  • SSDEEP

    24576:spM5863IGfTAVpalBzUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BzUkxVVChjHZQs

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

      125342391938a8fb66cc4b1eb71a29f8157de745ab6be7ede70f0bcdc8515934

    • Size

      1.6MB

    • MD5

      562abe05e86fc779645d4059fa8f8865

    • SHA1

      eba1f7c67b6478867620d06224778f257ef23c10

    • SHA256

      125342391938a8fb66cc4b1eb71a29f8157de745ab6be7ede70f0bcdc8515934

    • SHA512

      c897e3b657edd0890aeb8f73a85fea9b838f2a7664c57eb3eabd80891653652b2bc9c21588593dae03accaf08d8f74817c0ef59763c12d8e69bcb66a604c3c90

    • SSDEEP

      24576:spM5863IGfTAVpalBzUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BzUkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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