General

  • Target

    file.exe

  • Size

    4.4MB

  • Sample

    230322-wgaqaaae27

  • MD5

    675cf5e68a94031fbb6872b9600573fe

  • SHA1

    aa8de434e04f018bdb9329764629418ffa445c32

  • SHA256

    249505e3a21c6f73f7e898c02375517a4cf7b40cf75bfcb7e581b6eecc562731

  • SHA512

    0c7109fb24655f0fa2f7e80cbc961221c28f2fa07517b9967c38db36a968121a1cafddebee59a2c9e65163396edc7a7af3613d3c8f68ca6ac31e65152dc26664

  • SSDEEP

    98304:N+QOGdd5Of4u8+Ws1+zIat5NW2bKfDQuddK+Dh9DigDq94k7LO:4QVdi8ts1+zU2bKfEudUaigD04k7LO

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199472266392

Targets

    • Target

      file.exe

    • Size

      4.4MB

    • MD5

      675cf5e68a94031fbb6872b9600573fe

    • SHA1

      aa8de434e04f018bdb9329764629418ffa445c32

    • SHA256

      249505e3a21c6f73f7e898c02375517a4cf7b40cf75bfcb7e581b6eecc562731

    • SHA512

      0c7109fb24655f0fa2f7e80cbc961221c28f2fa07517b9967c38db36a968121a1cafddebee59a2c9e65163396edc7a7af3613d3c8f68ca6ac31e65152dc26664

    • SSDEEP

      98304:N+QOGdd5Of4u8+Ws1+zIat5NW2bKfDQuddK+Dh9DigDq94k7LO:4QVdi8ts1+zU2bKfEudUaigD04k7LO

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks