General

  • Target

    Factura Serfinanza038612482397383420891150743.exe

  • Size

    3.3MB

  • Sample

    210506-1y474vfn16

  • MD5

    d3125370ba418b71a02b9365db6929d0

  • SHA1

    6b8430a8b5bd8965bbac50feac7255d631d41f5c

  • SHA256

    566f71be697a18778afe097f9461ef1fa7f6fbf0cf634995561e971814eae319

  • SHA512

    40807071b38bc0ec37d7d6f061d23e06017d9738bfa11b5383fce7d31a4c152bdd5090b3243c0bd28eb5676341e0b2dbc2d411cb6d53cc11276e94a2ae92b1eb

Malware Config

Extracted

Family

remcos

C2

databasepropersonombrecomercialideasearchwords.services:3521

Targets

    • Target

      Factura Serfinanza038612482397383420891150743.exe

    • Size

      3.3MB

    • MD5

      d3125370ba418b71a02b9365db6929d0

    • SHA1

      6b8430a8b5bd8965bbac50feac7255d631d41f5c

    • SHA256

      566f71be697a18778afe097f9461ef1fa7f6fbf0cf634995561e971814eae319

    • SHA512

      40807071b38bc0ec37d7d6f061d23e06017d9738bfa11b5383fce7d31a4c152bdd5090b3243c0bd28eb5676341e0b2dbc2d411cb6d53cc11276e94a2ae92b1eb

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks