General

  • Target

    5d69a933027152c0cbe8e1009123ecc56857c45c52ccc7ac47680f79836fd5d8

  • Size

    1.6MB

  • Sample

    240611-qsj57syfrn

  • MD5

    0d0bab7c5d5b421f7553ebc8d48a3370

  • SHA1

    b46ffd01ee7c072c5f1d1be16dae5f09721dd685

  • SHA256

    5d69a933027152c0cbe8e1009123ecc56857c45c52ccc7ac47680f79836fd5d8

  • SHA512

    36232f41b37f5221cebb5a7bc0cb4dfd3d2a556bf1c36d79f017e8dca56e18db0742df39ab0c660a7b9d9422efd57fdea583d301951221a6a1913ecf36558653

  • SSDEEP

    24576:spM5863IGfTAVpalBIUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BIUkxVVChjHZQs

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

      5d69a933027152c0cbe8e1009123ecc56857c45c52ccc7ac47680f79836fd5d8

    • Size

      1.6MB

    • MD5

      0d0bab7c5d5b421f7553ebc8d48a3370

    • SHA1

      b46ffd01ee7c072c5f1d1be16dae5f09721dd685

    • SHA256

      5d69a933027152c0cbe8e1009123ecc56857c45c52ccc7ac47680f79836fd5d8

    • SHA512

      36232f41b37f5221cebb5a7bc0cb4dfd3d2a556bf1c36d79f017e8dca56e18db0742df39ab0c660a7b9d9422efd57fdea583d301951221a6a1913ecf36558653

    • SSDEEP

      24576:spM5863IGfTAVpalBIUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BIUkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks