General

  • Target

    Astro Fortnite Free Loader.exe

  • Size

    14.4MB

  • Sample

    240701-p5jvjasfme

  • MD5

    c284115e08a73e4efd15e6e5cb3ca43e

  • SHA1

    f054f448b26d0d771ad46221790dd7f4930cc428

  • SHA256

    d684f65afeaf36f09228552a6a3c76c53ac2e9affb10dded7c8727656ad71ed3

  • SHA512

    92713ba56f8343e74789ff37dbbede91cb778d76e637e34af884a579d7aa0667fdc4aa2af4a2e2d3b3dbb90f700e1be76966402a8605378db7637719d903fc0e

  • SSDEEP

    393216:16wSPvI+HcfkP/K6gwoUTJtiY7o+WwIXh:16zPvXcfcy6g0TDPxMXh

Malware Config

Targets

    • Target

      Astro Fortnite Free Loader.exe

    • Size

      14.4MB

    • MD5

      c284115e08a73e4efd15e6e5cb3ca43e

    • SHA1

      f054f448b26d0d771ad46221790dd7f4930cc428

    • SHA256

      d684f65afeaf36f09228552a6a3c76c53ac2e9affb10dded7c8727656ad71ed3

    • SHA512

      92713ba56f8343e74789ff37dbbede91cb778d76e637e34af884a579d7aa0667fdc4aa2af4a2e2d3b3dbb90f700e1be76966402a8605378db7637719d903fc0e

    • SSDEEP

      393216:16wSPvI+HcfkP/K6gwoUTJtiY7o+WwIXh:16zPvXcfcy6g0TDPxMXh

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks