General

  • Target

    file.exe

  • Size

    285KB

  • Sample

    221113-szrjzabe69

  • MD5

    b4cf648f1f4bd4cee549ae2b2d239d74

  • SHA1

    c2481e898b10e602fe45cbb208a231dbedc52e54

  • SHA256

    0b4fccfb36c5b91de4f3141099c845d9d90a49c69497bff21bff5d00a353e9df

  • SHA512

    7f8f2d6e30b2a5ce51156118fe944cc33b90d010461b29d02e6588fefa113bf94334ca0faa7ef632d7945ed30b393e8087cbedc63d2b972e8fffdacb63e521b6

  • SSDEEP

    6144:kYLyX1Y9kqfCu65aD7dGjXOXJOsRAzd89:kYeFfotMuOXSJOsRAzd8

Malware Config

Extracted

Family

vidar

Version

55.6

Botnet

937

C2

https://t.me/seclab_new

https://raw.githubusercontent.com/sebekeloytfu/simple-bash-scripts/master/calculator.sh

Attributes
  • profile_id

    937

Targets

    • Target

      file.exe

    • Size

      285KB

    • MD5

      b4cf648f1f4bd4cee549ae2b2d239d74

    • SHA1

      c2481e898b10e602fe45cbb208a231dbedc52e54

    • SHA256

      0b4fccfb36c5b91de4f3141099c845d9d90a49c69497bff21bff5d00a353e9df

    • SHA512

      7f8f2d6e30b2a5ce51156118fe944cc33b90d010461b29d02e6588fefa113bf94334ca0faa7ef632d7945ed30b393e8087cbedc63d2b972e8fffdacb63e521b6

    • SSDEEP

      6144:kYLyX1Y9kqfCu65aD7dGjXOXJOsRAzd89:kYeFfotMuOXSJOsRAzd8

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

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

Command and Control

Web Service

1
T1102

Tasks