General

  • Target

    MirsoftEde-Seup.exe

  • Size

    113.8MB

  • Sample

    250307-xwh6msvvhw

  • MD5

    437e77a81f65b728961540a13564f4ab

  • SHA1

    141ef5d76fc21c8958edfb9e903a9719cdb3bee5

  • SHA256

    5ef443293aafe44fcc69d4aeb8a43ab7f1b93e3e0591c52f86ab66bde6dd8c6c

  • SHA512

    669955f564b94035afc9d748639454449de52c9e2630efde3f631422dedf07d1cb7ba69b999d3b3f4e2081f617326f08a297be8b94a29192cfbc06ff4242215c

  • SSDEEP

    3145728:P+vX0Hb5gQb2fL9qcIqX/XoUtrsRum+ETy43AkG+AKpqG33O6k:W87GSmsR6EdAkkKpqGHY

Malware Config

Targets

    • Target

      MirsoftEde-Seup.exe

    • Size

      113.8MB

    • MD5

      437e77a81f65b728961540a13564f4ab

    • SHA1

      141ef5d76fc21c8958edfb9e903a9719cdb3bee5

    • SHA256

      5ef443293aafe44fcc69d4aeb8a43ab7f1b93e3e0591c52f86ab66bde6dd8c6c

    • SHA512

      669955f564b94035afc9d748639454449de52c9e2630efde3f631422dedf07d1cb7ba69b999d3b3f4e2081f617326f08a297be8b94a29192cfbc06ff4242215c

    • SSDEEP

      3145728:P+vX0Hb5gQb2fL9qcIqX/XoUtrsRum+ETy43AkG+AKpqG33O6k:W87GSmsR6EdAkkKpqGHY

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • Gh0strat family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • 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

    • 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

    • 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.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks