General

  • Target

    00ab7c4d923341531974d25cac46462d0dffcdc8e5bf7ca1266aaa16172810e2

  • Size

    2.6MB

  • Sample

    240530-2eybfsbh3z

  • MD5

    e0dc5a800bf4124cd58c691a7bcb44a1

  • SHA1

    394318d596fcf4debb5a0265f6091147a19b1530

  • SHA256

    00ab7c4d923341531974d25cac46462d0dffcdc8e5bf7ca1266aaa16172810e2

  • SHA512

    9247dde70f07d2ba116ea342cb3f0c416df107b1a24c03e3e92424fc1b48e85120e58b5054a761f2b0217e966bdb5fbe1c497273a3cde4d9ea076fc264752ea3

  • SSDEEP

    49152:XQzIzMiqCNwUJtTF+TxMoxc1TU+j+dAzGwlrh:XY598JtIuoITsdZ

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

      00ab7c4d923341531974d25cac46462d0dffcdc8e5bf7ca1266aaa16172810e2

    • Size

      2.6MB

    • MD5

      e0dc5a800bf4124cd58c691a7bcb44a1

    • SHA1

      394318d596fcf4debb5a0265f6091147a19b1530

    • SHA256

      00ab7c4d923341531974d25cac46462d0dffcdc8e5bf7ca1266aaa16172810e2

    • SHA512

      9247dde70f07d2ba116ea342cb3f0c416df107b1a24c03e3e92424fc1b48e85120e58b5054a761f2b0217e966bdb5fbe1c497273a3cde4d9ea076fc264752ea3

    • SSDEEP

      49152:XQzIzMiqCNwUJtTF+TxMoxc1TU+j+dAzGwlrh:XY598JtIuoITsdZ

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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