General

  • Target

    376b8f3c005d39067abeed0d0df58696495739e432377d138f06b9da0473d10d

  • Size

    127KB

  • Sample

    211110-lx1xasgfh2

  • MD5

    26c464453144b82f4a2f8b868084651a

  • SHA1

    ff89484718114020aec3e7d40e5708694070e5cc

  • SHA256

    376b8f3c005d39067abeed0d0df58696495739e432377d138f06b9da0473d10d

  • SHA512

    1088072c2cd99f911a476b3d3dc6e13464e1b6fc6c91cf3cae1cca568bb76b9dc92c41f0992d66232943128f59d67a16d4459cd6e2a6a1f7de274884650ec52a

Malware Config

Extracted

Family

vidar

Version

48.1

Botnet

754

Attributes
  • profile_id

    754

Targets

    • Target

      376b8f3c005d39067abeed0d0df58696495739e432377d138f06b9da0473d10d

    • Size

      127KB

    • MD5

      26c464453144b82f4a2f8b868084651a

    • SHA1

      ff89484718114020aec3e7d40e5708694070e5cc

    • SHA256

      376b8f3c005d39067abeed0d0df58696495739e432377d138f06b9da0473d10d

    • SHA512

      1088072c2cd99f911a476b3d3dc6e13464e1b6fc6c91cf3cae1cca568bb76b9dc92c41f0992d66232943128f59d67a16d4459cd6e2a6a1f7de274884650ec52a

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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.

    • Accesses 2FA software files, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks