General

  • Target

    discord-install.exe

  • Size

    3.1MB

  • Sample

    220414-t6321sged6

  • MD5

    13d129d5ad4bf7234bcfdc21422e56c0

  • SHA1

    6395582b82d5cf79373ee360eeeaccba7b57e6ef

  • SHA256

    9d4f9aac1933e09f5ab82d1e247c77e624be93d086a81caf116af28555ddcc3c

  • SHA512

    8fefdad0a44e8058def613d464c8b040a969faba3c474ad310bb13f98e957795bdfc1766ceee137a1d91a713ac8092663c8cefe06157b3298682baebed1df412

Malware Config

Targets

    • Target

      discord-install.exe

    • Size

      3.1MB

    • MD5

      13d129d5ad4bf7234bcfdc21422e56c0

    • SHA1

      6395582b82d5cf79373ee360eeeaccba7b57e6ef

    • SHA256

      9d4f9aac1933e09f5ab82d1e247c77e624be93d086a81caf116af28555ddcc3c

    • SHA512

      8fefdad0a44e8058def613d464c8b040a969faba3c474ad310bb13f98e957795bdfc1766ceee137a1d91a713ac8092663c8cefe06157b3298682baebed1df412

    • Meta Stealer Stealer

      Meta Stealer steals passwords stored in browsers, written in C++.

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Sets service image path in registry

    • Checks computer location settings

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

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks