General

  • Target

    https://discord.com

  • Sample

    211226-18wjaabhe8

Malware Config

Targets

    • Target

      https://discord.com

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

4
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks