General

  • Target

    46f726e81e38c90514868c3f0b6bcde1f10d2eca3428ccff808bb6a6768ac458

  • Size

    2.6MB

  • Sample

    240530-2tjfvadg39

  • MD5

    4af1b69d3234c9e429196f102324b6ac

  • SHA1

    93f58263c5186246d82b1437278cf41da17e7c50

  • SHA256

    46f726e81e38c90514868c3f0b6bcde1f10d2eca3428ccff808bb6a6768ac458

  • SHA512

    2141ed8d2f17180d9492763e434eebd34b500c075db50fea7b2876bd7fbe4940f853d750ba7a6290bcf37bb20987a78579fc280801c213b6f27b9f61b0f0267c

  • SSDEEP

    49152:XQzIzMiqCNwGJtTF+TxMoxc1TU+j+dAzGwlrh:XY5987tIuoITsdZ

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

      46f726e81e38c90514868c3f0b6bcde1f10d2eca3428ccff808bb6a6768ac458

    • Size

      2.6MB

    • MD5

      4af1b69d3234c9e429196f102324b6ac

    • SHA1

      93f58263c5186246d82b1437278cf41da17e7c50

    • SHA256

      46f726e81e38c90514868c3f0b6bcde1f10d2eca3428ccff808bb6a6768ac458

    • SHA512

      2141ed8d2f17180d9492763e434eebd34b500c075db50fea7b2876bd7fbe4940f853d750ba7a6290bcf37bb20987a78579fc280801c213b6f27b9f61b0f0267c

    • SSDEEP

      49152:XQzIzMiqCNwGJtTF+TxMoxc1TU+j+dAzGwlrh:XY5987tIuoITsdZ

    • 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

    • Loads dropped DLL

    • 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