General

  • Target

    b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1

  • Size

    439KB

  • Sample

    240620-23eh9awcmm

  • MD5

    b2f5d04fc1d63f47ec7cdc2b326b7e83

  • SHA1

    7bf70f68204b0d905d18b1f94d86088f16a15d1f

  • SHA256

    b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1

  • SHA512

    23ab37f544227a863c22ab4aaeb2a80986f5bd75e12a2a41f2cf4ddb0cba0fce20f7560dee6e65cad8f022a1cd616bab2c59722213803d12b699151dc2cfaa3a

  • SSDEEP

    6144:8gNhEV5pZ5BXmp4pEEEXI/ajDfJFb7uNmrkbBlpNezk3g7wZXlQkEDFGqymjv:8gjEV5pZ5hwTuNma8ow7glOsGjv

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Extracted

Family

risepro

C2

5.42.67.8:50500

Targets

    • Target

      b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1

    • Size

      439KB

    • MD5

      b2f5d04fc1d63f47ec7cdc2b326b7e83

    • SHA1

      7bf70f68204b0d905d18b1f94d86088f16a15d1f

    • SHA256

      b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1

    • SHA512

      23ab37f544227a863c22ab4aaeb2a80986f5bd75e12a2a41f2cf4ddb0cba0fce20f7560dee6e65cad8f022a1cd616bab2c59722213803d12b699151dc2cfaa3a

    • SSDEEP

      6144:8gNhEV5pZ5BXmp4pEEEXI/ajDfJFb7uNmrkbBlpNezk3g7wZXlQkEDFGqymjv:8gjEV5pZ5hwTuNma8ow7glOsGjv

    • Detect Vidar Stealer

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • 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 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