General

  • Target

    b64a9bf135a0c7edc4a02c04b532d4ba.exe

  • Size

    562KB

  • Sample

    210421-6pg5xvfy26

  • MD5

    b64a9bf135a0c7edc4a02c04b532d4ba

  • SHA1

    a0f68dac327a135e00e1087582a46efd796c4983

  • SHA256

    aac55c1eebf403b1c8db9eed2812e6a84d95f4321738bd09bb4fd6630db94b96

  • SHA512

    d80fdeb00deb19478368fe51f2b56c8a689317b65b75b8d9061ff4295afef5a7941ec3dda200b9e7a68d20bef16ec0d5a8ca194b846f716824949523abfd2465

Malware Config

Targets

    • Target

      b64a9bf135a0c7edc4a02c04b532d4ba.exe

    • Size

      562KB

    • MD5

      b64a9bf135a0c7edc4a02c04b532d4ba

    • SHA1

      a0f68dac327a135e00e1087582a46efd796c4983

    • SHA256

      aac55c1eebf403b1c8db9eed2812e6a84d95f4321738bd09bb4fd6630db94b96

    • SHA512

      d80fdeb00deb19478368fe51f2b56c8a689317b65b75b8d9061ff4295afef5a7941ec3dda200b9e7a68d20bef16ec0d5a8ca194b846f716824949523abfd2465

    • 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