General

  • Target

    RunWW.exe

  • Size

    577KB

  • Sample

    210320-2akvjhes8x

  • MD5

    013e637b83d9ae429d7eabc06644a913

  • SHA1

    db89a5ea41fab24e0f54e192fd9d644b4c034d87

  • SHA256

    1fa03c0a09833c2574dc0b65f1432eb1d66412f44b6a232894f0cb09d6ab6f74

  • SHA512

    f8426656d95977e49d4bad70949ec750bd39d574104928e2e2f33a7f48818850f5bd380bbbfea3a4de793689a55116124154d6f79f014e3a2b8103e82c0c083e

Malware Config

Targets

    • Target

      RunWW.exe

    • Size

      577KB

    • MD5

      013e637b83d9ae429d7eabc06644a913

    • SHA1

      db89a5ea41fab24e0f54e192fd9d644b4c034d87

    • SHA256

      1fa03c0a09833c2574dc0b65f1432eb1d66412f44b6a232894f0cb09d6ab6f74

    • SHA512

      f8426656d95977e49d4bad70949ec750bd39d574104928e2e2f33a7f48818850f5bd380bbbfea3a4de793689a55116124154d6f79f014e3a2b8103e82c0c083e

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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