General

  • Target

    ce65992ea0c7ac4d1ce570ec9477149495347540d87f52c6803ec6e6186d944b

  • Size

    2.0MB

  • Sample

    240525-clt5yaba2w

  • MD5

    4d5ac6a838c10938e677aff5b4eb9e76

  • SHA1

    ab9b4f507f1dd35fee4bc4d475beae5a089d42bd

  • SHA256

    ce65992ea0c7ac4d1ce570ec9477149495347540d87f52c6803ec6e6186d944b

  • SHA512

    f30880463aef3e5c81303b213a784466ca9ec0ade4462e352bfbea02a9ef90e25304a0051bd7ce62ae0226788e0bb952511b68013189e728beb44b203374a376

  • SSDEEP

    49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

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

      ce65992ea0c7ac4d1ce570ec9477149495347540d87f52c6803ec6e6186d944b

    • Size

      2.0MB

    • MD5

      4d5ac6a838c10938e677aff5b4eb9e76

    • SHA1

      ab9b4f507f1dd35fee4bc4d475beae5a089d42bd

    • SHA256

      ce65992ea0c7ac4d1ce570ec9477149495347540d87f52c6803ec6e6186d944b

    • SHA512

      f30880463aef3e5c81303b213a784466ca9ec0ade4462e352bfbea02a9ef90e25304a0051bd7ce62ae0226788e0bb952511b68013189e728beb44b203374a376

    • SSDEEP

      49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

    • 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