General

  • Target

    14db57544602a970b05a34b1c6a1352997660b77cf9184e73a168d6603a3d80a

  • Size

    1.6MB

  • Sample

    240611-vfnp3svajp

  • MD5

    240dc688f1554cc726fe2276ff74d687

  • SHA1

    b6ce0cfeddc49bdfd252267bbaf7732998d3a9d1

  • SHA256

    14db57544602a970b05a34b1c6a1352997660b77cf9184e73a168d6603a3d80a

  • SHA512

    7c417e2533637f4e4ccb6dca9efc35ac0d43cf3928f66deb2fcd696982d49d88e7a3740a50a3dd09c7db687c60494a980eeaec1d1cee034481a50efb5a9de594

  • SSDEEP

    24576:spM5863IGfTAVpalBqUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BqUkxVVChjHZQs

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

      14db57544602a970b05a34b1c6a1352997660b77cf9184e73a168d6603a3d80a

    • Size

      1.6MB

    • MD5

      240dc688f1554cc726fe2276ff74d687

    • SHA1

      b6ce0cfeddc49bdfd252267bbaf7732998d3a9d1

    • SHA256

      14db57544602a970b05a34b1c6a1352997660b77cf9184e73a168d6603a3d80a

    • SHA512

      7c417e2533637f4e4ccb6dca9efc35ac0d43cf3928f66deb2fcd696982d49d88e7a3740a50a3dd09c7db687c60494a980eeaec1d1cee034481a50efb5a9de594

    • SSDEEP

      24576:spM5863IGfTAVpalBqUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BqUkxVVChjHZQs

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks