General

  • Target

    c9db6db9d040545a9d26a7314922fed8983e01f74d45d9b62fc4829b438eb466

  • Size

    2.4MB

  • Sample

    240603-gwc2maeb9z

  • MD5

    b616354e22863c72bcc10033a925309d

  • SHA1

    2512c55627f52e7a2f74d085a00767f88a78c73a

  • SHA256

    c9db6db9d040545a9d26a7314922fed8983e01f74d45d9b62fc4829b438eb466

  • SHA512

    101f5ff5d8802abb310fe3452f8ad998a94e5eb740f3a8b1d200e3260749f96d540c3cd4dea0b20f644bacb83b555759f375d852d244f6d9f98236f05ea08c0f

  • SSDEEP

    49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      c9db6db9d040545a9d26a7314922fed8983e01f74d45d9b62fc4829b438eb466

    • Size

      2.4MB

    • MD5

      b616354e22863c72bcc10033a925309d

    • SHA1

      2512c55627f52e7a2f74d085a00767f88a78c73a

    • SHA256

      c9db6db9d040545a9d26a7314922fed8983e01f74d45d9b62fc4829b438eb466

    • SHA512

      101f5ff5d8802abb310fe3452f8ad998a94e5eb740f3a8b1d200e3260749f96d540c3cd4dea0b20f644bacb83b555759f375d852d244f6d9f98236f05ea08c0f

    • SSDEEP

      49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/

    • 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