General

  • Target

    0dc21fc9092ceb862c2a6e5f33964ce1b6274f389d4508e8d696fd684d7d0f5d

  • Size

    1.6MB

  • Sample

    240611-3pht7awcmr

  • MD5

    4d2d0d26f41627e92114a17ef4c794fb

  • SHA1

    589470db44b710aca0fcc4a57a4ada921150445b

  • SHA256

    0dc21fc9092ceb862c2a6e5f33964ce1b6274f389d4508e8d696fd684d7d0f5d

  • SHA512

    311dc826d1ef0c947aa54b9bd2e5d480a61739106e1c5747db47f8ffb1fec1325b481d944b714617fb3ddf0f0b6d4ae14c9913a44ee32ba1755d7563a7dd3659

  • 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

      0dc21fc9092ceb862c2a6e5f33964ce1b6274f389d4508e8d696fd684d7d0f5d

    • Size

      1.6MB

    • MD5

      4d2d0d26f41627e92114a17ef4c794fb

    • SHA1

      589470db44b710aca0fcc4a57a4ada921150445b

    • SHA256

      0dc21fc9092ceb862c2a6e5f33964ce1b6274f389d4508e8d696fd684d7d0f5d

    • SHA512

      311dc826d1ef0c947aa54b9bd2e5d480a61739106e1c5747db47f8ffb1fec1325b481d944b714617fb3ddf0f0b6d4ae14c9913a44ee32ba1755d7563a7dd3659

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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