Resubmissions

16/05/2026, 13:27

260516-qqespshv3j10

16/05/2026, 12:50

260516-p2w1padx7110

16/05/2026, 12:47

260516-p1l44adx6v10

16/05/2026, 12:45

260516-py2rrsdx3y10

General

  • Target
    https://fylio.com/d/7ad713ba-3e5e-4714-8355-500f40e44d40
  • Sample260516-p2w1padx71

Malware Config

Targets

    • Detects SparkRAT payload

    • Family: Sparkrat

      Sparkrat is a cross-platfrom backdoor written in Golang.

    • family_sparkrat

      Detects Sparkrat payload

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

    • Checks computer location settings

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

    • 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.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Detected potential entity reuse from brand GOOGLE.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks