General

  • Target

    8d4f1fef0d99a30ef03f6d995a4ad2f33d5e5b50e80b17bb494a78512207e021

  • Size

    2.0MB

  • Sample

    240525-q7pz1afc28

  • MD5

    522bec79b7ace7957553f8fd92bd2eca

  • SHA1

    66a3544cfac68dea4d6b4752dea86a63d10420fa

  • SHA256

    8d4f1fef0d99a30ef03f6d995a4ad2f33d5e5b50e80b17bb494a78512207e021

  • SHA512

    0322958e03c492dabff607280c3324767c7f8fdfe3b07286f9cb42a864ea8967b15f08654c3eefd681e92a7420ba6e0a3d5db97c799440f2d998645fa49ba8db

  • SSDEEP

    49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

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

Targets

    • Target

      8d4f1fef0d99a30ef03f6d995a4ad2f33d5e5b50e80b17bb494a78512207e021

    • Size

      2.0MB

    • MD5

      522bec79b7ace7957553f8fd92bd2eca

    • SHA1

      66a3544cfac68dea4d6b4752dea86a63d10420fa

    • SHA256

      8d4f1fef0d99a30ef03f6d995a4ad2f33d5e5b50e80b17bb494a78512207e021

    • SHA512

      0322958e03c492dabff607280c3324767c7f8fdfe3b07286f9cb42a864ea8967b15f08654c3eefd681e92a7420ba6e0a3d5db97c799440f2d998645fa49ba8db

    • SSDEEP

      49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

    • 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