General

  • Target

    9c60c8dc8578631322fc302500d1beca8f3591d576d2eac8f95b4ddd4072ae01

  • Size

    1.6MB

  • Sample

    240612-hzxe4stfje

  • MD5

    e073b75a90bf51e102cb8d38aef32eeb

  • SHA1

    b5c54e4672f11eb8920fb6b7e20e5ec78a748052

  • SHA256

    9c60c8dc8578631322fc302500d1beca8f3591d576d2eac8f95b4ddd4072ae01

  • SHA512

    9c18b4ed86af0122abd47ad85845b6decfdb50bd12fcd8d3a55c6b811a4464f4d217a476e9c5f6997b154961fb2f3a3fe5605a3f53303bccbab2482587ebbefa

  • SSDEEP

    24576:spM5863IGfTAVpalBxUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BxUkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

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

Targets

    • Target

      9c60c8dc8578631322fc302500d1beca8f3591d576d2eac8f95b4ddd4072ae01

    • Size

      1.6MB

    • MD5

      e073b75a90bf51e102cb8d38aef32eeb

    • SHA1

      b5c54e4672f11eb8920fb6b7e20e5ec78a748052

    • SHA256

      9c60c8dc8578631322fc302500d1beca8f3591d576d2eac8f95b4ddd4072ae01

    • SHA512

      9c18b4ed86af0122abd47ad85845b6decfdb50bd12fcd8d3a55c6b811a4464f4d217a476e9c5f6997b154961fb2f3a3fe5605a3f53303bccbab2482587ebbefa

    • SSDEEP

      24576:spM5863IGfTAVpalBxUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BxUkxVVChjHZQs

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks