General

  • Target

    http://battle.net

  • Sample

    220521-yhc8xagbcp

Score
10/10

Malware Config

Targets

    • Target

      http://battle.net

    Score
    10/10
    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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.

    • Creates a large amount of network flows

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Network Service Scanning

1
T1046

Peripheral Device Discovery

2
T1120

Tasks