General

  • Target

    7890e150e1a05c785ae02ca62aa2531f08f939d735022067f58113026d7acab1

  • Size

    2.2MB

  • Sample

    240701-jhqfxasgrl

  • MD5

    fedf2a2e1fcf21608b333bf6082b28fb

  • SHA1

    1fe45b3f341e97e8cc596343b39fc73c02a9da45

  • SHA256

    7890e150e1a05c785ae02ca62aa2531f08f939d735022067f58113026d7acab1

  • SHA512

    c8204249aec36f09f3840c783c79c5bbdc33348e209048a0097251ebcc71a026fde63bfab113e26105b91f664d6b244c6fcff6c831ac8842acd618b996990ec1

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXTfU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPI21tuuIeNHYGY0LzjsJxK

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

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

Targets

    • Target

      7890e150e1a05c785ae02ca62aa2531f08f939d735022067f58113026d7acab1

    • Size

      2.2MB

    • MD5

      fedf2a2e1fcf21608b333bf6082b28fb

    • SHA1

      1fe45b3f341e97e8cc596343b39fc73c02a9da45

    • SHA256

      7890e150e1a05c785ae02ca62aa2531f08f939d735022067f58113026d7acab1

    • SHA512

      c8204249aec36f09f3840c783c79c5bbdc33348e209048a0097251ebcc71a026fde63bfab113e26105b91f664d6b244c6fcff6c831ac8842acd618b996990ec1

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXTfU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPI21tuuIeNHYGY0LzjsJxK

    • 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