General

  • Target

    9ae32fed4dbe739749c801fea5e170298e86a1b2f3fad4042b7ec144fb1ef674

  • Size

    2.1MB

  • Sample

    240524-a94m6sfe39

  • MD5

    2ee8389615c8c3474e71f3deed102e38

  • SHA1

    cc651f79167e872c40b61557379803d96886613a

  • SHA256

    9ae32fed4dbe739749c801fea5e170298e86a1b2f3fad4042b7ec144fb1ef674

  • SHA512

    0b4acdc185f8199be4a756dad19b3f082fe0e8f500c7f35b039464d41cc5fa3407076901e143cb0065239ded437074643e9590d3f9488ec65f67de974ee65d60

  • SSDEEP

    49152:N6uDuaS9refW8JtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9T8tIuoITsdZ

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

      9ae32fed4dbe739749c801fea5e170298e86a1b2f3fad4042b7ec144fb1ef674

    • Size

      2.1MB

    • MD5

      2ee8389615c8c3474e71f3deed102e38

    • SHA1

      cc651f79167e872c40b61557379803d96886613a

    • SHA256

      9ae32fed4dbe739749c801fea5e170298e86a1b2f3fad4042b7ec144fb1ef674

    • SHA512

      0b4acdc185f8199be4a756dad19b3f082fe0e8f500c7f35b039464d41cc5fa3407076901e143cb0065239ded437074643e9590d3f9488ec65f67de974ee65d60

    • SSDEEP

      49152:N6uDuaS9refW8JtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9T8tIuoITsdZ

    • 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