General

  • Target

    Factura Serfinanza034712604259512713576096038.exe

  • Size

    181KB

  • Sample

    210423-zsetrzdwle

  • MD5

    7eef4388419871c28b8f36837eb7f090

  • SHA1

    4688ff284afa1cfc570be9905ff91368cdc202c2

  • SHA256

    3f696b65e7fddd6302252e1775e3186d4a7bc513784a9b734a4d60a7726e7da8

  • SHA512

    4e60e993651c679b167ff9c21aef03b1891fdafda04435422b0d74be555c3fcc79241638e8a9e4a088d1bd63a40331c17ffc97ec156e69b1ea910f0b1ec45dcb

Malware Config

Extracted

Family

remcos

C2

databasepropersonombrecomercialideasearchwords.services:3521

Targets

    • Target

      Factura Serfinanza034712604259512713576096038.exe

    • Size

      181KB

    • MD5

      7eef4388419871c28b8f36837eb7f090

    • SHA1

      4688ff284afa1cfc570be9905ff91368cdc202c2

    • SHA256

      3f696b65e7fddd6302252e1775e3186d4a7bc513784a9b734a4d60a7726e7da8

    • SHA512

      4e60e993651c679b167ff9c21aef03b1891fdafda04435422b0d74be555c3fcc79241638e8a9e4a088d1bd63a40331c17ffc97ec156e69b1ea910f0b1ec45dcb

    • Modifies Windows Defender Real-time Protection settings

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks