General

  • Target
    rackeldevs.exe
  • Size 34.8MB
  • Sample260926-v6c19sfe53
  • SHA256 94d15295e9aff5160291a4980fdf4a1b4b32f74d30f979a9a3ad488d73f0a561
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      rackeldevs.exe
    • Size 34.8MB
    • SHA256 94d15295e9aff5160291a4980fdf4a1b4b32f74d30f979a9a3ad488d73f0a561
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Unexpected DNS network traffic destination

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

    • Writes a Windows system DLL name to a user directory

      A module named after a system DLL outside System32 can be loaded instead of the real one by a program searching that directory.

    • 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

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • 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 v16

Tasks