Overview

overview

10

Static

static

Factura Se...29.exe

windows7_x64

10

Factura Se...29.exe

windows10_x64

10

Sharing

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General

  • Target

    Factura Serfinanza023854786775241209783648129.exe

  • Size

    3.3MB

  • Sample

    210506-vefn775atx

  • MD5

    3b36fe43f9384fcbdfe4e1072890dd97

  • SHA1

    6acaffd1dd94af1f93a625158a6cf96797363d20

  • SHA256

    5644ffdefed81871ac28af49ae9bf45eee20fe6742da2b07f2c71badac020c1c

  • SHA512

    7f8e82c4e60961a690dd30b932462ff1743c581ea1b7259aac7b7ca59b4633e5809497d60d50df8d6d06d326551c15e922478d137c3de8596a76639732c58a9b

Score
10/10
remcosevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

C2

databasepropersonombrecomercialideasearchwords.services:3521

Targets

    • Target

      Factura Serfinanza023854786775241209783648129.exe

    • Size

      3.3MB

    • MD5

      3b36fe43f9384fcbdfe4e1072890dd97

    • SHA1

      6acaffd1dd94af1f93a625158a6cf96797363d20

    • SHA256

      5644ffdefed81871ac28af49ae9bf45eee20fe6742da2b07f2c71badac020c1c

    • SHA512

      7f8e82c4e60961a690dd30b932462ff1743c581ea1b7259aac7b7ca59b4633e5809497d60d50df8d6d06d326551c15e922478d137c3de8596a76639732c58a9b

    Score
    10/10
    remcosevasionpersistencerattrojan

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Remcos

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

      ratremcos

    • Turns off Windows Defender SpyNet reporting

      evasion

    • Windows security bypass

      evasiontrojan

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

4
T1089

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks