General

  • Target

    b3a2c7f5b759cde60c4521ee9e2df5b2.exe

  • Size

    561KB

  • Sample

    210421-ery3fw3snx

  • MD5

    b3a2c7f5b759cde60c4521ee9e2df5b2

  • SHA1

    90324e6b4b404989818339899b8401673d8eaf3e

  • SHA256

    4ea6fdc5d3e43ec34dc3ab0452653cd3025050478065633bd992403009639337

  • SHA512

    49d240b99ee3e45a752e43c2d3b691fbb7d2f954e8bd8024a9714ad56f8ea46d32b2a8c90d5c80fc02395dd3dbefea341613dc48f66401104d18f99bb43f0916

Malware Config

Targets

    • Target

      b3a2c7f5b759cde60c4521ee9e2df5b2.exe

    • Size

      561KB

    • MD5

      b3a2c7f5b759cde60c4521ee9e2df5b2

    • SHA1

      90324e6b4b404989818339899b8401673d8eaf3e

    • SHA256

      4ea6fdc5d3e43ec34dc3ab0452653cd3025050478065633bd992403009639337

    • SHA512

      49d240b99ee3e45a752e43c2d3b691fbb7d2f954e8bd8024a9714ad56f8ea46d32b2a8c90d5c80fc02395dd3dbefea341613dc48f66401104d18f99bb43f0916

    • 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