General

  • Target

    c309d31a1e63d91902f57babfc2ef7a8.exe

  • Size

    562KB

  • Sample

    210421-2fm2d1kp9x

  • MD5

    c309d31a1e63d91902f57babfc2ef7a8

  • SHA1

    b44dd52e92b0d9eb6e7a4b242819f0687e137d03

  • SHA256

    942f4661c17b49061467e305b9d5fe5be2a061f1def29bec379c7588149dc6e1

  • SHA512

    f7eacc9181e6704f9196387e83710fb5b01b1194ce339e2522a442cb55e6d3b7712bcc05f97ec608cd1b378ddaf56adac11a716429d136c32ba6d79e2f83c682

Malware Config

Targets

    • Target

      c309d31a1e63d91902f57babfc2ef7a8.exe

    • Size

      562KB

    • MD5

      c309d31a1e63d91902f57babfc2ef7a8

    • SHA1

      b44dd52e92b0d9eb6e7a4b242819f0687e137d03

    • SHA256

      942f4661c17b49061467e305b9d5fe5be2a061f1def29bec379c7588149dc6e1

    • SHA512

      f7eacc9181e6704f9196387e83710fb5b01b1194ce339e2522a442cb55e6d3b7712bcc05f97ec608cd1b378ddaf56adac11a716429d136c32ba6d79e2f83c682

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks