General

  • Target

    77b6690fb7a6c9940f05a677e863e1488bf170e309fdc708d5ab486754f8a2fc

  • Size

    47KB

  • Sample

    220427-srpemsegdm

  • MD5

    03da88767a246e825382e9965bc2cad4

  • SHA1

    df91b915d2192bd0eb76a517c45a4cee87f28443

  • SHA256

    77b6690fb7a6c9940f05a677e863e1488bf170e309fdc708d5ab486754f8a2fc

  • SHA512

    830b07e31a52b18f0fabb4af28578909c61f209d9ddea2bf61954eba7a5af3ada487e1570e1adc7713af9e3a412ce03ecd1adce309a4083d3df326929ce82d3f

Malware Config

Targets

    • Target

      77b6690fb7a6c9940f05a677e863e1488bf170e309fdc708d5ab486754f8a2fc

    • Size

      47KB

    • MD5

      03da88767a246e825382e9965bc2cad4

    • SHA1

      df91b915d2192bd0eb76a517c45a4cee87f28443

    • SHA256

      77b6690fb7a6c9940f05a677e863e1488bf170e309fdc708d5ab486754f8a2fc

    • SHA512

      830b07e31a52b18f0fabb4af28578909c61f209d9ddea2bf61954eba7a5af3ada487e1570e1adc7713af9e3a412ce03ecd1adce309a4083d3df326929ce82d3f

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Installs/modifies Browser Helper Object

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Tasks