Overview

overview

10

Static

static

fd898ae2d8...b5.exe

windows7_x64

10

fd898ae2d8...b5.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fd898ae2d8b5e50c7b61c0f37d1e72210fc7c6c1c0b9421b0cc7672ad7eb7bb5.exe

  • Size

    1.3MB

  • Sample

    220129-w2gz4agac8

  • MD5

    2182ad44af508ba0a68adc52cf0be0b9

  • SHA1

    47772217a217b01ddebf693760ce0cb2831d41d0

  • SHA256

    fd898ae2d8b5e50c7b61c0f37d1e72210fc7c6c1c0b9421b0cc7672ad7eb7bb5

  • SHA512

    0ab1cf449fd8930de9fbd0b5938eaf055de1ce765ecfb9cb921f76fe710d6ef25c6ef7c1d6fd633b4da656069aa3347f0b5854ffc5cc4b301b2d6fa73879591d

Score
10/10
remcososc stubevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

osc stub

C2

185.140.53.178:2404

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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-F591MS

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • 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;

Extracted

Family

remcos

Botnet

osc stub

C2

185.140.53.178:2404

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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-F591MS

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • 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

      fd898ae2d8b5e50c7b61c0f37d1e72210fc7c6c1c0b9421b0cc7672ad7eb7bb5.exe

    • Size

      1.3MB

    • MD5

      2182ad44af508ba0a68adc52cf0be0b9

    • SHA1

      47772217a217b01ddebf693760ce0cb2831d41d0

    • SHA256

      fd898ae2d8b5e50c7b61c0f37d1e72210fc7c6c1c0b9421b0cc7672ad7eb7bb5

    • SHA512

      0ab1cf449fd8930de9fbd0b5938eaf055de1ce765ecfb9cb921f76fe710d6ef25c6ef7c1d6fd633b4da656069aa3347f0b5854ffc5cc4b301b2d6fa73879591d

    Score
    10/10
    remcososc stubevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • Windows security bypass

      evasiontrojan

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks