General

  • Target

    264dfea07a6500813dc4eeff51d621a2bac094c5bf236b6c135dea23cb19b380

  • Size

    2.0MB

  • Sample

    240531-hjycgabb99

  • MD5

    88913c96e7d1d7746affebb7c68aa90b

  • SHA1

    26add650a385d232377d9be48a7df484dc130923

  • SHA256

    264dfea07a6500813dc4eeff51d621a2bac094c5bf236b6c135dea23cb19b380

  • SHA512

    9fdc22efb66ef1d1611e091eaf36a41c4ffcf59ad4b8385f639dfade129c132f77f73e36ab836a88a2ebb38e1424b8f88ddfa9ce204a14c3d96a45fbae6bec4d

  • SSDEEP

    49152:eqtdPVosJEIz/+VHA58ljrIY+96lJS9bZ:e6d9fJZc7jvedZ

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

      264dfea07a6500813dc4eeff51d621a2bac094c5bf236b6c135dea23cb19b380

    • Size

      2.0MB

    • MD5

      88913c96e7d1d7746affebb7c68aa90b

    • SHA1

      26add650a385d232377d9be48a7df484dc130923

    • SHA256

      264dfea07a6500813dc4eeff51d621a2bac094c5bf236b6c135dea23cb19b380

    • SHA512

      9fdc22efb66ef1d1611e091eaf36a41c4ffcf59ad4b8385f639dfade129c132f77f73e36ab836a88a2ebb38e1424b8f88ddfa9ce204a14c3d96a45fbae6bec4d

    • SSDEEP

      49152:eqtdPVosJEIz/+VHA58ljrIY+96lJS9bZ:e6d9fJZc7jvedZ

    • 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