General

  • Target
    Synapse Bootstrapper.exe
  • Size 544KB
  • Sample260827-cmhtasyerc
  • SHA256 8a3b4f5568afdd277f1b134eb72dbcf4400319b1dced996a8b53da0e281818e3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Synapse Bootstrapper.exe
    • Size 544KB
    • SHA256 8a3b4f5568afdd277f1b134eb72dbcf4400319b1dced996a8b53da0e281818e3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Network Share Discovery

      Attempt to gather information on host network.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

MITRE ATT&CK Enterprise v16

Tasks