General

  • Target

    9ca3e394490d0caff4cb4aaa4410cf8b1463bfab178dc1533338c38fd19e7b1c

  • Size

    2.0MB

  • Sample

    240526-dqdt7acg8s

  • MD5

    094b8a1ab619594ee1421e5e02680177

  • SHA1

    c75b53df509dffffd1724f2724b245b293559e44

  • SHA256

    9ca3e394490d0caff4cb4aaa4410cf8b1463bfab178dc1533338c38fd19e7b1c

  • SHA512

    f96b1516a8d417ff890b502f679c3c83f0d97a6b36b16cee4bf6ba47cd6944fcab17f426f8ea7e6fa8403db5c3547bc90ab4181273b8b4aeeded2a0c88fd86e8

  • 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

      9ca3e394490d0caff4cb4aaa4410cf8b1463bfab178dc1533338c38fd19e7b1c

    • Size

      2.0MB

    • MD5

      094b8a1ab619594ee1421e5e02680177

    • SHA1

      c75b53df509dffffd1724f2724b245b293559e44

    • SHA256

      9ca3e394490d0caff4cb4aaa4410cf8b1463bfab178dc1533338c38fd19e7b1c

    • SHA512

      f96b1516a8d417ff890b502f679c3c83f0d97a6b36b16cee4bf6ba47cd6944fcab17f426f8ea7e6fa8403db5c3547bc90ab4181273b8b4aeeded2a0c88fd86e8

    • 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