Overview

overview

10

Static

static

Rfq_produc...er.exe

windows7_x64

10

Rfq_produc...er.exe

windows10_x64

10

Sharing

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General

  • Target

    Rfq_products order.exe

  • Size

    1.5MB

  • Sample

    220126-k82sasbfb4

  • MD5

    99b649db223cbef960a8423dd7d50381

  • SHA1

    e4912bb05d068e6edbe5576a9a929d14590efbe3

  • SHA256

    caf08c94a95672212ab753293db7e6ca97cec7ddc28ece68d978f3008a5a6668

  • SHA512

    74b267dba2fd39d04165d4b80c2ca8a7fc04d2894c014c6bf059006874cb3f5ae937fbb12f26ddff81a5a8c8c7e8959c8a35cdd8b970f8affb4404df9041bfa0

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Version

3.2.1 Pro

Botnet

RemoteHost

C2

janeilla.myddns.me:9711

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-SLEDDG

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      Rfq_products order.exe

    • Size

      1.5MB

    • MD5

      99b649db223cbef960a8423dd7d50381

    • SHA1

      e4912bb05d068e6edbe5576a9a929d14590efbe3

    • SHA256

      caf08c94a95672212ab753293db7e6ca97cec7ddc28ece68d978f3008a5a6668

    • SHA512

      74b267dba2fd39d04165d4b80c2ca8a7fc04d2894c014c6bf059006874cb3f5ae937fbb12f26ddff81a5a8c8c7e8959c8a35cdd8b970f8affb4404df9041bfa0

    Score
    10/10
    remcosremotehostpersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks