General

  • Target

    7e216e8ddcb2ca22fd855281904f5dd8a796834c80f720bef151070638724264

  • Size

    2.4MB

  • Sample

    240524-mztfnsed4v

  • MD5

    d29a928dfc99e2d8897fd7ed7dde7962

  • SHA1

    38a58ac20598e6479496fcde85b7cd8953d8af50

  • SHA256

    7e216e8ddcb2ca22fd855281904f5dd8a796834c80f720bef151070638724264

  • SHA512

    33a1df50530ff2c5ad1f4274547d4821e12b38af26c9f9188ae96de72a5519d1f30f0c47df7c2ad3f919b299d3b1510ac6b4d5e9639deae4843fd7463cb56268

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUKJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dKtIuoITsdZ

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

      7e216e8ddcb2ca22fd855281904f5dd8a796834c80f720bef151070638724264

    • Size

      2.4MB

    • MD5

      d29a928dfc99e2d8897fd7ed7dde7962

    • SHA1

      38a58ac20598e6479496fcde85b7cd8953d8af50

    • SHA256

      7e216e8ddcb2ca22fd855281904f5dd8a796834c80f720bef151070638724264

    • SHA512

      33a1df50530ff2c5ad1f4274547d4821e12b38af26c9f9188ae96de72a5519d1f30f0c47df7c2ad3f919b299d3b1510ac6b4d5e9639deae4843fd7463cb56268

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUKJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dKtIuoITsdZ

    • 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