Overview

overview

10

Static

static

1

Invoice.js

windows10-2004-x64

10

Invoice.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    18092026_1508_17092026_Invoice.js.zip
  • Size 1.4MB
  • Sample260918-sh2cvage92
  • SHA256 6bce4b778c44a89e6293cc8ba654275a96e3a21f79cc05c556a21306a99385ec
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosremotehostdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • 82.29.92.60:35121

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-E5XT2M

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      Invoice.js
    • Size 2.6MB
    • SHA256 14f8e0f7b17e358a675fa7f59eb3f1d1414b3e1cde42f2a52fda0c85ec5abb32
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    remotehostdefense_evasiondiscoveryexecutionremcospersistenceprivilege_escalationrattrojan

    • Family: Remcos

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

      ratremcos

    • UAC bypass

      defense_evasiontrojan

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks