Overview

overview

10

Static

static

Order copy.exe

windows7_x64

10

Order copy.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Urgent Order (RefPO.35231_TTI).gz

  • Size

    567KB

  • Sample

    211021-d42s6safgj

  • MD5

    6edfb1226a784a530e27e4ffffae3a36

  • SHA1

    5d23ce0c28882fb6135be3049be9799ebb412016

  • SHA256

    cf24e90d7806fad40a47bf7941496f2568fd992193bbd100ffeaaf2bf9bea681

  • SHA512

    1274ab9c104548020740819e76112ae55c54f826b4106726144607ae3103e210dbb7456bc44784a8baa833443cd836a54cd750730f575a82294a045f0ae18339

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

sabrinaoyst.ddns.net:7019

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-PACL2H

  • screenshot_crypt

    true

  • 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;

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

sabrinaoyst.ddns.net:7019

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-PACL2H

  • screenshot_crypt

    true

  • 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

      Order copy.exe

    • Size

      963KB

    • MD5

      4e85bccd3ffbc25142507fe1883f2eda

    • SHA1

      634ca94d2f19b7784bf2de78657c7d927b21b52a

    • SHA256

      14dac7b193364d4c9d85f2cb2c1fa88683e8fffece0a499c90e49eca08a85e9d

    • SHA512

      1704cc8c9219323d455d5611ccaaf6a6103eda3a886dc17101b2a41de3db8064374640f29876f24e5322042d25c0f53c1051002f367d1ec027ce7ba5badf1774

    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

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks